Im always travel but hard to recharge my tablet s trying go to sony outlet by they say that sony dont have make it the car charger.
Sent from my Sony Tablet S using Tapatalk 2
[email protected] said:
Im always travel but hard to recharge my tablet s trying go to sony outlet by they say that sony dont have make it the car charger.
Click to expand...
Click to collapse
Sony does not sell a car charger for their Sony S or P tablets, nor does any third-party manufacturer, according to my searches. And my search for a supplier of the stock charger's plug (because I want to make a car charger) has so far been futile.
[email protected] said:
Im always travel but hard to recharge my tablet s trying go to sony outlet by they say that sony dont have make it the car charger.
Sent from my Sony Tablet S using Tapatalk 2
Click to expand...
Click to collapse
I've been looking for one myself, but haven't found anything. I'm considering buying TrippLite power inverter and Mobile Video Game Plate.
(cant post links )
If sony can make car charger or we can built 1 for make it
Sent from my Sony Tablet S using Tapatalk 2
You can use the Micro USB port to charge I think
Sent from my Sony Tablet S using xda premium
andyabc said:
You can use the Micro USB port to charge I think
Click to expand...
Click to collapse
Your thinking is with error. The Sony Tablet S (or P) cannot be charged via its USB port.
Cat McGowan said:
Your thinking is with error. The Sony Tablet S (or P) cannot be charged via its USB port.
Click to expand...
Click to collapse
Thats why I said 'I think'
Sent from my Sony Tablet S using xda premium
Its very easy to change voltage from 12v incar to 10,5v which is fine for our tablet. Only thing is connector, where to get it.
Sent from my XT910 using xda app-developers app
pinout of the connector?
If somebody can post the pinout of the connector, i could provide a cirquit diagramm for the voltage regulator, which could be placed right into the cigarette plug. Still, the tablet connector would be needed, however, i might cut the cable and insert a connector to be used with both, utility power and car power by plugging it to one or the other power source.
logowe said:
If somebody can post the pinout of the connector, i could provide a cirquit diagramm for the voltage regulator, which could be placed right into the cigarette plug. Still, the tablet connector would be needed, however, i might cut the cable and insert a connector to be used with both, utility power and car power by plugging it to one or the other power source.
Click to expand...
Click to collapse
The connector's pin assignments are shown on the tablet's charger.
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I'm sure a cheap cigarette lighter inverter will power the OEM charger. Just multiply the input amperage on the charger by 120 and make sure you get an inverter with more than that wattage.
larsdennert said:
I'm sure a cheap cigarette lighter inverter will power the OEM charger. Just multiply the input amperage on the charger by 120 and make sure you get an inverter with more than that wattage.
Click to expand...
Click to collapse
Yes, the simple, unadventurous approach is always the best, eh?
logowe said:
If somebody can post the pinout of the connector, i could provide a cirquit diagramm for the voltage regulator, which could be placed right into the cigarette plug. Still, the tablet connector would be needed, however, i might cut the cable and insert a connector to be used with both, utility power and car power by plugging it to one or the other power source.
Click to expand...
Click to collapse
Look forward to hearing your results. Will try this if you cam get it to wrk . Car charging is not essential for me. Buy would be an awesome add on.
Stifilz
The pin out diagram provided previously show + &- but what are the other pins I believe one is used for docking to turn on photoframe clock.
is the other some kind of monitor for charging progress?
if not I have ordered a charger with correct volts & amps but std plug which can be spliced into sony charger plug
Sent from my S5_75 using xda app-developers app
im confused, doesnt the cord take 2 amp?
and the ac adapter that came with it can detach at the base showing usb
then just stick USB into 2amp car charger?
---------- Post added at 01:58 PM ---------- Previous post was at 01:58 PM ----------
SayWhat10 said:
im confused, doesnt the cord take 2 amp?
and the ac adapter that came with it can detach at the base showing usb
then just stick USB into 2amp car charger?
Click to expand...
Click to collapse
EDIT: i have xperia tablet
but i will still try this later on today
SayWhat10 said:
im confused, doesnt the cord take 2 amp?
and the ac adapter that came with it can detach at the base showing usb
then just stick USB into 2amp car charger?
---------- Post added at 01:58 PM ---------- Previous post was at 01:58 PM ----------
EDIT: i have xperia tablet
but i will still try this later on today
Click to expand...
Click to collapse
This thread's discussion was about the charger for the Sony Tablet S, not the Xperia Tablet S. The charger for the Sony Tablet S does not have a USB connector.
Standard Power Jack
Has anyone tried to fit a standard 3.5mm or 5mm power jack into the Tablet S? I guess there should be place enough beneath the power button. Something like the headphone audio jack on the opposite side of the case. My idea is to connect the jack to the original power connectors and to be able to charge the tablet either by the original Sony charger or the additional jack. This would let me to use any 10.5V 3rd party power adaptors with standard connectors. I could also build a car charger, and it would let me charge the tablet with a closed original Sony case. What do you think. Has anyone opened his tablet already? I looked at a few pictures of cracked open tablets and thats how I got the idea.
ptexas said:
Has anyone tried to fit a standard 3.5mm or 5mm power jack into the Tablet S? I guess there should be place enough beneath the power button. Something like the headphone audio jack on the opposite side of the case. My idea is to connect the jack to the original power connectors and to be able to charge the tablet either by the original Sony charger or the additional jack. This would let me to use any 10.5V 3rd party power adaptors with standard connectors. I could also build a car charger, and it would let me charge the tablet with a closed original Sony case. What do you think. Has anyone opened his tablet already? I looked at a few pictures of cracked open tablets and thats how I got the idea.
Click to expand...
Click to collapse
I think it would be faster, easier, less expensive, and less warranty-voiding to just buy a power inverter to use with the tablet's stock charger. Hey, you asked!
Cat McGowan said:
I think it would be faster, easier, less expensive, and less warranty-voiding to just buy a power inverter to use with the tablet's stock charger. Hey, you asked!
Click to expand...
Click to collapse
Hi Cat, my intention is to have charging possibilities for my tablet at home, in the office and in the car without carrying my power supply with me all the time. So why should I reward Sony for using such stupid power connectors by buying 2 additional power supplies at 40$ per piece and a bulky power inverter for the car? I think it's more eficient to fit my tablet with a standard jack and use standard connectors and power supplies. Because even Sony haven't found a way to use forms of propriatary electrical power (although I'm sure they're trying) this should be possible. And because usually all good or not so good ideas have been tried by someone here I am asking and glad for every answer.
What about modifying cradle for 12V use?
I see that the Tablet S cradle can be purchased on Amazon now for $19.99. Has anyone thought about modifying a cradle for auto use? That would avoid warranty issues with the tablet. What kind of circuit would be needed to adapt a car's 12V to 10.5V? A simple 3 terminal voltage regulator good enough or does there need to be current limiting and some form of ripple and voltage spike protection?
Another approach that may be worth investigating is hacking into a car stereo amplifier's power supply to get a voltage source that has been generated after DC/DC conversion inside the amp. That would eliminate a lot of the noise and spikes on the raw voltage from the alternator. Obviously, this only works if you are also into aftermarket car stereo upgrades.
Related
!UPDATE!
Starting a Barrel Charger keyboard Dock MOD Thread. If you want yours done for free I'm looking for a volunteer to send me a keyboard dock to modify with standard barrel charging adapter. Stay tuned for the tread link
Covering 3 popular charging topics
1. Why you can't use a USB 2.0 extension cable with the factory charger
2. Testing data proving the Tablet needs 11V or higher to chartge
3. Off the shelf parts and spare parts to make a Wall charger
4. Off the shelf parts and spare parts to make a Car Charger
1.Why you can't use a USB 2.0 with the factory charger
Because the charger is looking for termination of Pin 7 from the Tablet to start sending 15 Volts. Pin 7 is a USB 3 pin, not available in usb 2.0 so the charger never sees termination and continues to send 5V. This is why if you connect your phone or other 5V usb device to the charger it will charge at 5V.
The only way to trick the charger into always sending 15V so that you can use a 2.0 extension cable is to take it apart and bridge ground with pin 7. But you will not be able to use the charger for any other device, not worth it IMO.
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Here you can see that pins 5-9 are USB 3.0 only.
2. Testing Data
-The Tablet looks for more than 11V to start charging
-With a source other than from the ASUS charger I supplied pins 1 (RED HOT)and 2 (Black Ground) with 13.5 volts and it charges. My source was a 12V AC to DC power supply I use for testing DC devices.
-My power source was pushing 1.5 Amps during the charge
-All other pins were disconnected on the USB extension.
Its all about voltage. Any AC to DC adapter that supplies at least 11 Volts that has a female usb adapter with ground to pin 1 (RED HOT)and 2 (Black Ground)
CONFIRMED: I Connected my 13 V source to pins 1 and 4 on a USB 2.0 extension cable and it worked.
The Asus charger does need a 3.0 cable extension to work. But with a DIY charger you don't need USB 3.0 cables or connectors.
WARNING! Please know your technical limits and understand that any instructions you follow in this thread are at your own risk.
DIY ADAPTERS
--------------
Wall charging - Any Voltage selectable DC wall adapter that supports at least 11 Volts 1 Amp will work. You will need to add a female DC barrel to USB Female cable which are available cheap or can be made which I will post pics.
Off the shelf Parts $13.99 Total
!IMPORTANT! PLEASE BE AWARE OF POLARITY WHEN USING THESE UNIVERSAL ADAPTERS. YOU WILL DAMAGE YOUR TABLET IF THE POLARITY IS WRONG.
Check this SITE for information on setting up the tips for the correct polarity.
I check polarity every time I connect and disconnect my tablet when testing. If you have basic voltage meter and one USB cable you can sacrifice I suggest you test the polarity by creating a test cable. Cut the cable, expose the bare wire on red and black then test with your meter while connected to your generic charger. If your meter shows a "-" while showing the voltage your polarity is WRONG. If it doesn't show a "-" or in some cases a "+" your polarity is right.
Adjustable Voltage DC wall charger -EBAY $11 shipped.
UK Equivalent
Generic AC/DC Adapter Up to 12V and 1500Amps
5.5mm DC Female Barrel to USB Female cable - EBAY $2.99 Shipped EBAY UK LINK
EBAY UK LINK
Plug the adapter cable into the 5.5 connector on the DC adapter, set it to 12V , connect the factory Asus cable to the adapter cable and you are charging. Your 3.0 extension cable will work with this as well as any 2.0 extension cable. I'm waiting for the adapter cable and will post pics of the components connected together.
Or you can get an adjustable charger that comes with a USB Female adapter like this one
Building with spare parts
I'll be taking a 12 or 14 volt DC adapter I have and wiring a USB end directly to it. If you are a gadget person you might just have some spare DC adapters. Pictures soon. I'll also be making a version that includes the adapter cable from above.
Charging in the Car - Any Voltage selectable Car DC adapter that supports at least 11 Volts 1 Amp will work. You will need to add a female DC barrel to USB Female cable which are available cheap or can be made which I will post pics. You will be able to use the same adapter cable as above, you just need the car adapter
Off the shelf Parts $10.98 Total
Auto DC adapter Adjustable starting at 15V - EBAY $7.99 Shipped
5.5mm DC Female Barrel to USB Female cable - EBAY $2.99 Shipped
Plug the adapter cable into the 5.5 connector on the DC car adapter, set it to 12-15V , connect the factory Asus cable to the adapter cable and you are charging. Your 3.0 extension cable will work with this as well as any 2.0 extension cable. I'm waiting for the adapter cable and will post pics of the components connected together.
Multi function Car & Wall charger,
This is interesting, it has input for AC and DC so you can use it in the Car and at home.
Generic adjustable Car and Wall charger
For charging on a PC. - Not possible, There is no way to double the voltage from one power supply, connecting 2 cables together will not increase volts only AMPS.
OTHER KNOWN CHARGERS THAT WORK
Dynex DX-UA - Universal laptop/camera charger. $29
Radio Shack 12V adapter Comes with a free USB tip $30
X1 PST-1200UF NOTE: Even though this one comes with a USB tip you still Need to add the USB adapter cable because the manufacturer limits 5V to that one USB tip in the package.
UNTESTED BUT SHOULD WORK
PowerLine 90304 Need to add USB adapter cable
Generic adjustable Car and Wall charger Need to add USB adapter cable
My mess of a test bench =]
~DC
Just updated the OP and man this is frustrating, the charger is very sensitive.
try to get a scope, it is possible that the charge controller is in the tf while the charge circuitry is in the charger. the two middle pins might be control signals which would explain why touching them stops the charger. the lack of signals on the middle pins may explain why when using the dynex charger you lose the battery meter.
Rumbleweed said:
try to get a scope, it is possible that the charge controller is in the tf while the charge circuitry is in the charger. the two middle pins might be control signals which would explain why touching them stops the charger. the lack of signals on the middle pins may explain why when using the dynex charger you lose the battery meter.
Click to expand...
Click to collapse
DONE
It's voltage people, all voltage. No fancy communicating with the charger. Right now I have a DC power supply use for powering DV voltage devices connected directly to pins 1 and 4 supplying it with 13.8 Volts and it is charging. All other pins are disconnected. This is why the Dynex works, because it is 11 V.
Back to the OP with a follow up.
Something is still missing. If only pins 1 and 4 are used by the charger, then a usb 2.0 cable with four pin/conductors should work as an extension, but it doesn't.
would something like this work to charge from 2 usb ports?
http://www.amazon.com/Apricorn-Power-Adapter-Cable-AUSB-Y/dp/B000JIOHDE/ref=sr_1_1?ie=UTF8&qid=1306378019&sr=8-1
Rumbleweed said:
Something is still missing. If only pins 1 and 4 are used by the charger, then a usb 2.0 cable with four pin/conductors should work as an extension, but it doesn't.
Click to expand...
Click to collapse
True but my goal is to come up with more charging options. I've been charging my tablet for about 45 mins now, voltage and amps have been steady, 13.8 and 1.6.
skchan2 said:
would something like this work to charge from 2 usb ports?
http://www.amazon.com/Apricorn-Power-Adapter-Cable-AUSB-Y/dp/B000JIOHDE/ref=sr_1_1?ie=UTF8&qid=1306378019&sr=8-1
Click to expand...
Click to collapse
Possibly, I'm testing the 10V theory now.
skchan2 said:
would something like this work to charge from 2 usb ports?
http://www.amazon.com/Apricorn-Power-Adapter-Cable-AUSB-Y/dp/B000JIOHDE/ref=sr_1_1?ie=UTF8&qid=1306378019&sr=8-1
Click to expand...
Click to collapse
Scratch the hole 2 USB connectios theory, you cant combine 2 voltage from one power source in series. But i'm looking into what those dual cables actually do.
Someone should disassemble there Asus charger, i couldn't figure out how to pry it open, so i gave up before i broke the plastic shell
Someone needs to get an oscilloscope going on the cable , there has got to be a reason Asus chose USB 3.0 connectors, which i think it is for some accessories down the road, who knows
SlimDan22 said:
Someone should disassemble there Asus charger, i couldn't figure out how to pry it open, so i gave up before i broke the plastic shell
Someone needs to get an oscilloscope going on the cable , there has got to be a reason Asus chose USB 3.0 connectors, which i think it is for some accessories down the road, who knows
Click to expand...
Click to collapse
Not going to argue with you on that one. The dynex is working for people and so is my rig.
skchan2 said:
would something like this work to charge from 2 usb ports?
http://www.amazon.com/Apricorn-Power-Adapter-Cable-AUSB-Y/dp/B000JIOHDE/ref=sr_1_1?ie=UTF8&qid=1306378019&sr=8-1
Click to expand...
Click to collapse
That's not going to work because those cables are all in parallel, they increase the Amps not the voltage. The only way to increase the voltage is through series and you have 2 seperate power sources.
DevCake said:
That's not going to work because those cables are all in parallel, they increase the Amps not the voltage. The only way to increase the voltage is through series and you have 2 seperate power sources.
Click to expand...
Click to collapse
lol reading that made me feel like i was back in circuits I
Updated OP with parts needed to make a wall and car charger for under $14. Posting pics of custom versions made with spare parts.
DevCake said:
Updated OP with parts needed to make a wall and car charger for under $14. Posting pics of custom versions made with spare parts.
Click to expand...
Click to collapse
Thank you for this, awesome job. Its still a joke asus does have a supported one. I guess ill trade that for the fact the 3.1 update will be timely. These force closes are killing me!
unable to find
Hi Devcake
Icant seem to find the USB /power lead could you give another link please. I am in the UK.
Many thanks for your article just what was needed.
Carl
Ebay item #270571233814 is the 5.5 to USB adapter
UK_Computing_CablesConnectors_RL&hash=item20b735a891
Thanks for that, but not available for the UK. Will try on the UK site.
Many thanks
Carl
Nice guide. Added to ultimate thread. Have posted a warning too, as I can see people burning their houses down trying this out with no technical knowledge.
Once you receive the items and can confirm that this works, can you post the links to the items on ebay? Thanks a ton!
Hi all,
Just got my hands on my new Asus Transformer. Just getting to grips with the USB 3.0 charging problems, etc... Sorry for not reading through the other posts in there entirity, in a bit of a rush to go on holidays and need mobile charging!
I need to keep the device alive and charging in the car (kids, angry birds, i'm sure you understand!).
What can I use? I thought my 12v cigar to USB would work as with my old android phone, but it clearly doesnt as it doesnt charge while the device is on.
What are my current options for immediate purchase here in the UK?
Thanks in advance.
Hi
There are no options, at the moment, either here in the UK or elsewhere.....
....except if you make your own charger....cable.....trouble is that two things : first, the 40-pin proprietary plug that connects to the TF/dock; these are not available anywhere yet and secondly that regular 12v USB chargers do not chuch out anywhere near enough juice for the TF
ASUS UK are in the process of getting TF accessories available see here .... but that's it, unless you want to make your own.
Your only option right now is to get a Car power inverter and use the wall charger.
PhoenixFx said:
Your only option right now is to get a Car power inverter and use the wall charger.
Click to expand...
Click to collapse
Hiya, yeah, already got one of those but am looking for an aternative, have ordered a longer USB 3.0 lead so at least i can do that...
Thanks
kevpuk said:
Hi
There are no options, at the moment, either here in the UK or elsewhere.....
....except if you make your own charger....cable.....trouble is that two things : first, the 40-pin proprietary plug that connects to the TF/dock; these are not available anywhere yet and secondly that regular 12v USB chargers do not chuch out anywhere near enough juice for the TF
ASUS UK are in the process of getting TF accessories available see here .... but that's it, unless you want to make your own.
Click to expand...
Click to collapse
I'd definately have a go at making my own, if only I could get the connectors! As for the 12v USB adaptors, im sure I could make some mods to get enough power! ;-)
gavin watson said:
I'd definately have a go at making my own, if only I could get the connectors! As for the 12v USB adaptors, im sure I could make some mods to get enough power! ;-)
Click to expand...
Click to collapse
check out this post of mine in the "short cable" thread:
http://forum.xda-developers.com/showthread.php?p=16320775#post16320775
you can do it for about £27 with generally-available parts.
goes without saying i hope ---- triple-check polarities/ voltages etc. before plugging anything in!
poster bob smith42 has posted some useful guides.
theabsurdman said:
check out this post of mine in the "short cable" thread:
http://forum.xda-developers.com/showthread.php?p=16320775#post16320775
you can do it for about £27 with generally-available parts.
goes without saying i hope ---- triple-check polarities/ voltages etc. before plugging anything in!
poster bob smith42 has posted some useful guides.
Click to expand...
Click to collapse
To sum up that post, all you need is any car charger that puts out close to 15v at 2amps or more. Then you put a regular USB female port on the end of it (either through an adapter or by wiring it up directly). Then you use the standard ASUS cable to connect it to your tablet.
rtadams89 said:
To sum up that post, all you need is any car charger that puts out close to 15v at 2amps or more. Then you put a regular USB female port on the end of it (either through an adapter or by wiring it up directly). Then you use the standard ASUS cable to connect it to your tablet.
Click to expand...
Click to collapse
Most car's electrical systems are at 14-14.5V when the car is running. I've seen posts that say the TF will start charging at 11V, so even with the car off, there should be enough voltage to charge directly from the car's electrical system. Obviously a fuse is recommended, and voltage regulation would be nice, but shouldn't be necessary.
I haven't had the need to charge my TF in the car yet, but I plan to put a usb 3.0 socket in my car, and use a switch, or watch pin 7 for ground(or whichever it was, will double-check obviously), to toggle between a 5V supply and the car's 12V system.
Hi, thanks for the info. Do we know the pinout for the female USB socket? Thanks.
gavin watson said:
Hi, thanks for the info. Do we know the pinout for the female USB socket? Thanks.
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You'll be connecting ground to pin 4 and +11-15V to pin 1. Do not use with normal USB devices, it will supply the 11-15V to the same pin that normal USB uses for +5V, so it's a fairly certain instant-fry. Change pin 1 to 5V for normal devices. To switch between 5V and ~15V, I plan on using the same method the wall charger uses, watching for ground on pin 7(pin number needs verification). If you switch it manually, or don't switch at all, you can use a standard USB 2.0 socket instead of the 3.0(The pic is 2.0, 3.0 has 5 extra pins behind the first 4, there will be fewer pins to get in your way when soldering).
If you buy one of these http://www.amazon.com/Portable-Inve..._1?s=automotive&ie=UTF8&qid=1312550809&sr=1-1
Then just plug the Asus charging power block into that. This looks like the easiest solution right now.
You don't need a 175 watt one, that's just the first one i saw on amazon. The power block has a max of 2A rating with 15v so that is only 30 watts(v * a = w).
chatch15117 said:
If you buy one of these http://www.amazon.com/Portable-Inve..._1?s=automotive&ie=UTF8&qid=1312550809&sr=1-1
Then just plug the Asus charging power block into that. This looks like the easiest solution right now.
You don't need a 175 watt one, that's just the first one i saw on amazon. The power block has a max of 2A rating with 15v so that is only 30 watts(v * a = w).
Click to expand...
Click to collapse
Nice. Lots of 110v 75 watt items on ebay, too.
75W 12V DC To 110V/220V Power Inverter Car Adapter USB
Car AC Power Inverter 150W Pop-can 12V To 120V w/USBH42 (This one looks pretty cool in my opinion)
I have no idea if these will work with TF101. Has anyone tried yet?
It should work.
I used to have this one: http://www.amazon.com/Cobra-CPI-150-Micro-150-Inverter/dp/B000F6NULK/ref=cm_cr_pr_product_top
Small enough to carry around + airplane adapter.
An inverter is a good solution for charger the TF without much fuss. If someone wants to wire something directly to the cig lighter, be sure to unplug your TF when starting the car to avoid voltage spikes.
zepheris.hk said:
An inverter is a good solution for charger the TF without much fuss. If someone wants to wire something directly to the cig lighter, be sure to unplug your TF when starting the car to avoid voltage spikes.
Click to expand...
Click to collapse
Find one with high and low voltage protection and you don't have to worry about spikes.
tengtengvn said:
Find one with high and low voltage protection and you don't have to worry about spikes.
Click to expand...
Click to collapse
He said that in regard to directly wiring to the car's electrical system, not an inverter. Are you suggesting he buy a car with over/under voltage protection?
P.S. @ zepheris.hk
Since the TF expects 15V(and the internal regulator should be able to handle up to 37v for a couple seconds), I doubt you need to worry about spikes from a direct connection to the car's system. Besides, I've never seen a car that spikes when starting. You'd notice all the lights get brighter, instead of dimming as they normally do(from the voltage sag induced by the starter's amp draw). That isn't to say that there can't be other spikes if something is wrong with your electrical system though. I recommend a resistor to limit amperage at the very least, if you're brave, the internal regulator should be able to handle any over/reverse voltage(within reason) as long as there's current limiting.
Bob Smith42 said:
Nice. Lots of 110v 75 watt items on ebay, too.
75W 12V DC To 110V/220V Power Inverter Car Adapter USB
Car AC Power Inverter 150W Pop-can 12V To 120V w/USBH42 (This one looks pretty cool in my opinion)
I have no idea if these will work with TF101. Has anyone tried yet?
Click to expand...
Click to collapse
110v inverters are all the same, basically, so as long as it meets your wattage requirements(30W) it will work. I suggest 90-100W though so you can charge a laptop also, if needed. Most laptops are 60-100W.
My experience so far...
Yesterday on a long journey I used a 175w 12vdc - 230vac inverter with the original mains adaptor that comes with the TF. Can't link to the inverter, I bought it a while ago from Maplin (UK) and hadnt used it.
All worked fine.
The TF AC adaptor got a bit warm, slightly more than usual, but nothing to get worried about. The charging went fine, I couldnt use it permanently connected and in use because of the stupid length of the cable and my 3.0 USB extension hadnt arrived before we set off.
I've just bought another 3.0 USB cable and a cigar lighter plug and will attempt to connect it up by using the (approx.) 13.8vdc directly from the cigar outlet in my car. I can't see why that wont work?
I might just wait until the warrantly company confirm my TF is on their database before I attempt this, but will post back soon.
Thansk for all the tips and info guys.
gavin watson said:
My experience so far...
Yesterday on a long journey I used a 175w 12vdc - 230vac inverter with the original mains adaptor that comes with the TF. Can't link to the inverter, I bought it a while ago from Maplin (UK) and hadnt used it.
All worked fine.
The TF AC adaptor got a bit warm, slightly more than usual, but nothing to get worried about. The charging went fine, I couldnt use it permanently connected and in use because of the stupid length of the cable and my 3.0 USB extension hadnt arrived before we set off.
I've just bought another 3.0 USB cable and a cigar lighter plug and will attempt to connect it up by using the (approx.) 13.8vdc directly from the cigar outlet in my car. I can't see why that wont work?
I might just wait until the warrantly company confirm my TF is on their database before I attempt this, but will post back soon.
Thansk for all the tips and info guys.
Click to expand...
Click to collapse
Like I said, the cigar outlet should work fine, but you don't need a 3.0 cable, you can just use a 2.0 to simplify the wiring, and using a 3.0 cable won't protect other devices from overvoltage anyways.
I recommend a 7.5 Ohm resistor to limit the amperage to 2 amps: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=TR50JBD7R50-ND
This one is a 50W, so it should be able to handle 2 amps without heatsinking.
Long term, I'd suggest adding a decoupling capacitor to get rid of some of the noise from the car's electrical system, something like:http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=P12389-ND.
For just one trip though, you should be fine without any added protection. I would suggest the resistor though, as the outlet will give it up to about 10 amps, and I don't know if the internal regulator in the TF is limited by itself, or by the charger(which only puts out 2 amps). If you don't use a resistor, watch the battery/case temperature like a hawk, especially when the battery is being charged from a very low level(0-25%), this is the highest draw portion of the charging cycle, and consequently, the hottest.
Transformer needs 1.5A output cigarette lighter. If you can find one, you're golden.
So my charger isn't charging correctly, and I figured I'd try the Dynex universal charger. I wasn't up for soldering and measuring voltages, etc. Best Buy wanted $30 for it, but I found it on an amazon store for $6.50!
http://www.amazon.com/Dynex-Universal-Camera-Camcorder-Adapter/dp/B003RXH7WG/
(only 2 left in stock at this price)
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It just arrived and it's charging my TF + dock perfectly. I heard it charges a hair slower than the stock charger, but I don't mind. I also got an RMA for my ASUS charger, so now I can send it back to be fixed.
There are so many people are complaining about the charging issue that it sounds like a flawed design by ASUS. What I don't understand is: Why would anyone take a chance buying a new stock ASUS charger for $30+ when it might also be faulty? Especially when you can get one of these Dynex chargers for almost 1/6th the price!
Very.cool if this offer is here next week Ima try it ty
Sent from my SGH-T959 using XDA App
I wouldnt wait around if you want it at this price. There's only 2 left in stock!
I picked up this same charger for around the same price a few months ago. It has worked flawlessly. Now I would just like to purchase the Asus usb cable without the AC plug.
That's a good deal!
I called asus earlier today and got an rma for my charger. About an hour ago I tested another charger and I think I found out its the cable.
With the other charger, my cable didn't charge but with the other cable and my charger, it worked.
Sent from my Dell Streak XDA premium app - please excuse my miswyping
This might be better item than you realize.
The voltage switch you see in the picture is disconnected from the wall plug piece. The wall plug piece is 15v and has a 6 foot wire to 5.5mm barrel plug, e.g. almost perfect for the TF101.
If you convert the connector to female USB you can plug the TF 40 pin USB cable directly into the wall plug piece, because you do not need the voltage switch and tips. The converter is difficult to find but I have found them on ebay.
Once I realized this information, I also found the wall plug 15v items separately on ebay.
However, the voltage switch and tips are very nice for charging other stuff, like iphone, cell phone, other tablets, etc., at 5v.
Just to make sure I understand this correctly....does this replace my ac plug if say i lose the plug and this will actually plug into my TF (since it uses a proprietary connection) or do I still need that connection and can use this for something else?
I saw this at walmart about a month ago for like $15. I had it in my cart and at checkout I took it out because I "felt" I wouldn't need it and wanted to save the money. Lol.
It definitely looks like a useful thing to have around the house.
Bob Smith42 said:
This might be better item than you realize.
The voltage switch you see in the picture is disconnected from the wall plug piece. The wall plug piece is 15v and has a 6 foot wire to 5.5mm barrel plug, e.g. almost perfect for the TF101.
If you convert the connector to female USB you can plug the TF 40 pin USB cable directly into the wall plug piece, because you do not need the voltage switch and tips. The converter is difficult to find but I have found them on ebay.
Once I realized this information, I also found the wall plug 15v items separately on ebay.
However, the voltage switch and tips are very nice for charging other stuff, like iphone, cell phone, other tablets, etc., at 5v.
Click to expand...
Click to collapse
Yep, you can buy the barrel to female USB on eBay. Check the diy charger thread for links and info on polarity. I was going to buy this from best buy when my charger first started acting up but I found a similar one in my garage! Now just waiting on my barrel to female USB to come in :-D
elosogrande7076 said:
Just to make sure I understand this correctly....does this replace my ac plug if say i lose the plug and this will actually plug into my TF (since it uses a proprietary connection) or do I still need that connection and can use this for something else?
Click to expand...
Click to collapse
You still need the Asus USB cable that came with your tf. This just provides a 15v USB plug which is hard to find as most are only 5v and the tf needs above 11v to charge.
Bob Smith42 said:
This might be better item than you realize.
The voltage switch you see in the picture is disconnected from the wall plug piece. The wall plug piece is 15v and has a 6 foot wire to 5.5mm barrel plug, e.g. almost perfect for the TF101.
If you convert the connector to female USB you can plug the TF 40 pin USB cable directly into the wall plug piece, because you do not need the voltage switch and tips. The converter is difficult to find but I have found them on ebay.
Once I realized this information, I also found the wall plug 15v items separately on ebay.
However, the voltage switch and tips are very nice for charging other stuff, like iphone, cell phone, other tablets, etc., at 5v.
Click to expand...
Click to collapse
I'm guessing this is the adapter you are referring to:
http://cgi.ebay.com/USB-Female-5525-Plug-Female-USB-5V-Power-Adapter-/140408839695?pt=LH_DefaultDomain_0&hash=item20b104de0f#ht_2208wt_874
The description for this adapter says 5v, so will it support 15v? Is this safe?
It's no longer $6.50.
Xxq TZ pxX said:
I'm guessing this is the adapter you are referring to:
http://cgi.ebay.com/USB-Female-5525-Plug-Female-USB-5V-Power-Adapter-/140408839695?pt=LH_DefaultDomain_0&hash=item20b104de0f#ht_2208wt_874
The description for this adapter says 5v, so will it support 15v? Is this safe?
Click to expand...
Click to collapse
Right, that is it. There are lots of resellers on ebay.
Almost everything using USB is 5v -- EXCEPT the ASUS TF101 which puts 15v on the standard USB power lines. In my opinion, the cable shown can easily & safely handle the power levels. Just make sure nothing else (e.g. 5v stuff) gets plugged into the female USB socket at 15v.
RojasTKD said:
It's no longer $6.50.
Click to expand...
Click to collapse
Just search "dx-ua" on ebay or google. Lots more on the web.
Has anyone seen this car dock for the Rezound?
http://www.verizonwireless.com/b2c/...ryDetails&archetypeId=12860&accessoryId=48053
It appears to block the audio jack but it says it will charge the device. Does it somehow do audio out from the USB/MHL port?
Thanks.
I just bought this for $22 (25% corporate discount) at the Verizon corporate store here. It actually does not cover the headphone port, and leaves about 3mm, plenty for my fat cassette audio jack.
In fact, it also comes with 3 inserts: 1 for std batt cover, 1 for extended battery cover, and 1 for std w/case (!).
The USB is simply micro-usb that connects on the back, and doesn't come with USB cable or charger.
For reference, I bought the extended battery for $30 on sale, and it fits great in the mount.
Jakewill
Car mount with inductive charging.
I have so far been unable to find a car mount that has inductive charging built in. Anyone know where to get one?
Alongside a Bluetooth setup, this would be sick. No cables to worry about when you get in the car.
HTGamingPC said:
I have so far been unable to find a car mount that has inductive charging built in. Anyone know where to get one?
Alongside a Bluetooth setup, this would be sick. No cables to worry about when you get in the car.
Click to expand...
Click to collapse
Agreed... I will say that there are no cables to "worry about" with this mount, as it plugs in when you mount it.
On another note, it immediately launches the car panel app when mounted in this dock.
Jakewill
jakewill said:
Agreed... I will say that there are no cables to "worry about" with this mount, as it plugs in when you mount it.
On another note, it immediately launches the car panel app when mounted in this dock.
Jakewill
Click to expand...
Click to collapse
You still have to make sure the plug goes into the jack. To me, that's not quite the same as mindlessly dropping it in; I usually have to look for at least half a second to make sure its lined up. Also, you can't have it in different orientations, you can get into trouble with 3rd party cases and it won't work with your wife's phone or your next upgrade, etc.
I was thinking to maybe make one out of a generic mount and the guts for an existing inductive mat but haven't really looked into the specifics.
I'd love to hear from anyone that can attest as to whether either of the Otterbox cases work with the inserts, and what material the inserts are made from (for possible modding).
etjrowe said:
I'd love to hear from anyone that can attest as to whether either of the Otterbox cases work with the inserts, and what material the inserts are made from (for possible modding).
Click to expand...
Click to collapse
QFT. The revelation that the OEM car mount comes with different inserts for different variations of the phone's cover really surprised me. I'm hoping that it works with the Otterbox Commuter at the very least.
Post #12 here:
http://forum.xda-developers.com/showthread.php?t=1367241
Can anyone collaborate or refute this review.
Anyone tried to use this with a usb input on their car deck? My deck has a usb input for iPod/mp3 player, my ipod works fine if you plug it in directly to the deck with just a usb cable but will not work if you use an ipod dock, just wanna know if this is the same way.
H3Dude said:
Post #12 here:
http://forum.xda-developers.com/showthread.php?t=1367241
Can anyone collaborate or refute this review.
Click to expand...
Click to collapse
I can confirm. The car dock will not charge your phone atleast not with the screen on and nothing else running but battery monitor widget.
I bought one and tested it extensively yesterday. I used a Verizon 1a charger and a generic 1a charger. With the dock and both chargerz the phone DIScharged(as in LOST battery power) at between 100ma and 200ma. Without the dock using the same chargers and changing nothing on the phone the phone charged at between 50a and 300ma.
I did the test several times to eliminate any random things the phone may have been doing in the background.
After doing that controlled test I played with it some more and no matter what I did I could not get a positive charge with the dock attached even in airplane mode with the screen backlight at minimum. Without the dock using the same chargers i ran Pandora and a police scanner both outputting through the phone speaker, gps, wifi, mobile all on, and screen on auto and still had a very small positive charge.
Moral of the story DO NOT BUY THIS DOCK unless you dont mind it just being a piece of plastic that holds your phone in place.
4 Screws and you can open it up, small circuit board with a few resistors and LED let. Could be modded with a few wirejumpers to bypass the board.
etjrowe said:
I'd love to hear from anyone that can attest as to whether either of the Otterbox cases work with the inserts, and what material the inserts are made from (for possible modding).
Click to expand...
Click to collapse
I got my Otterbox Commuter today and tried it with the "iBolt" car dock, but as I should have guessed, they don't work together because the USB cover on the case gets in the way. The inserts for the car dock are made from polystyrene or ABS, I'm not totally sure. Probably PS because they are pretty stiff. It might be possible to chop a piece out to accommodate the case flap, but I'm returning mine and picking up a universal phone/camera mount instead. A little over-kill perhaps, but it's inexpensive and can mount my cameras too, if I feel the need lol.
http://www.amazon.com/Flexcope-Roadtrip-PlaySport-Panasonic-Recorder/dp/B004E7GF2M/ref=pd_cp_cps_2
Kane5581 said:
I can confirm. The car dock will not charge your phone atleast not with the screen on and nothing else running but battery monitor widget.
I bought one and tested it extensively yesterday. I used a Verizon 1a charger and a generic 1a charger. With the dock and both chargerz the phone DIScharged(as in LOST battery power) at between 100ma and 200ma. Without the dock using the same chargers and changing nothing on the phone the phone charged at between 50a and 300ma.
I did the test several times to eliminate any random things the phone may have been doing in the background.
After doing that controlled test I played with it some more and no matter what I did I could not get a positive charge with the dock attached even in airplane mode with the screen backlight at minimum. Without the dock using the same chargers i ran Pandora and a police scanner both outputting through the phone speaker, gps, wifi, mobile all on, and screen on auto and still had a very small positive charge.
Moral of the story DO NOT BUY THIS DOCK unless you dont mind it just being a piece of plastic that holds your phone in place.
Click to expand...
Click to collapse
I too can confirm the iBolt dock does not properly charge the phone. Noticed it the first time I use it on a 2 hour trip using navigation with the screen on only for half the time. Before I left the battery was at 75%. When I finally got to my destination the battery was at 10%.
Does anyone know of any other dock or a fix for this one?
---------- Post added at 05:48 PM ---------- Previous post was at 05:47 PM ----------
MastricX said:
4 Screws and you can open it up, small circuit board with a few resistors and LED let. Could be modded with a few wirejumpers to bypass the board.
Click to expand...
Click to collapse
Are you refering to the iBolt car dock? Have you modded it yourself? If so, can you explain how?
http://www.craigsdocks.com/htc-rezound-car-dock-swivel-style/
I ordered one of these. I had the verizon one but returned it when I realized it was a piece of crap and wouldn't charge. I will review this one when I get it.
I received one of the VZW car docks in the mail yesterday and the first thing I did was to install it and test the charging capability. I was relieved to find that it is charging my phone. The caveat here is that I was using a charger with dual USB ports, not a regular one-piece car charger, and the USB cable I had in the truck from my old Droid X. Might that make some difference?
das0527 said:
I received one of the VZW car docks in the mail yesterday and the first thing I did was to install it and test the charging capability. I was relieved to find that it is charging my phone. The caveat here is that I was using a charger with dual USB ports, not a regular one-piece car charger, and the USB cable I had in the truck from my old Droid X. Might that make some difference?
Click to expand...
Click to collapse
Does the charger have a output rating on it? The phone will charge with a good 1a charger if you don't use it AT All, and it will charge very slow, if even the screen is on it will drain the battery. The one I got blows this thing out of the water some people say its ugly, I don't see it, but it works out of the box. http://www.craigsdocks.com/htc-rezound-car-dock-swivel-style/
Kane, I'll check the output. I know it's charging by AC versus USB. The charger is a Scoche dual USB charger.
MastricX said:
4 Screws and you can open it up, small circuit board with a few resistors and LED let. Could be modded with a few wirejumpers to bypass the board.
Click to expand...
Click to collapse
One of my Engineer friends helped look into this a little. We are still investigating but for those that cannot STAND the constant car dock mode, if you DE-SOLDER the small chip (remove completely and do NOT bridge) labeled "R1" from the backside of the board, car dock is no longer turned on. Its an 10k resister that id's the car charger. Removing that will stop car dock from launching period. This does not affect anything else other than Car Dock Mode.
We are still testing and trying to figuring it out this. But as it stands now, there is nothing else on this board that would cause power loss. It has to be a combination of GPS (large power draw alone) + Data (Pandora) + Car Dock automatically turning on WiFi (another large power draw). WHY WiFi is turned ON in Car Dock mode, I have NO idea. Last thing I want ON when driving. :? But having those all on is drawing more currant than is being provided with a full 1A being supplied.
As one last note, most off the shelf (generic) car charges only provide 500mA's, which is absolutely NOT enough power to charge while GPS + Data + WiFe searching to charge the phone. Make sure when you purchase a charger/adapter, make sure you see the output = 5v - 1A.
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Someone at Android forums has already done the research on this and came up with the best fix for the official dock as far as the charging goes. Also, he tests different car chargers and gives an opinion on which one charges the best. A very well done thread. Worth the read.
http://androidforums.com/3754610-post104.html
http://androidforums.com/3725965-post67.html
Sent from my ADR6425LVW using Tapatalk
I used that thread to move forward on modding my dock. I failed shorting the pins after a drip of solder shorted ALL the pins together (whoops), but I went with another poster's method of drilling a hole for the cord to go straight to the phone. It ended up clean and simple. It was a pain in the ass to plug in the micro to the back of the dock anyway.
FYI, my experience has been that the phone overheats pretty quick (120F) with screen on, navi running, and a 1A charger providing juice. The good news is that it clears a good 400mA which provides a solid positive charge. Screen off and navi running gets rid of the heat issue for me.
I know we've already had threads about this before, but seeing as how no one ever had a solution to this issue i thought i'd check back in again and see.
overview: the problem when you use a USB car charger dongle, like this one:
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is that it will register as "charging USB" and will charge much much slower then if it was doing it via "charging AC".
I know that if you open one of those things up and short out the 2 data connectors that will resolve the issue... but does anyone know of any of these that are already setup & ready to go to allow the "charging AC" mode and charge our phones normally?
I have this Belkin USB car charger and it not only registers and charges as A/C it keeps up with using nav and listening to books in the car.
Belkin
And I also have this one that does the same
iPhone Universal
Can someone show me a screenshot of the "charging USB" and "charging AC" indicators? The RZD is my second HTC phone and I've read mentions of these two different states of charging, but I've never noticed any indicator that I was getting anything other than an "AC" charge. That said, the OEM HTC car chargers supposedly supply a full 1A because the D+ and D- pins are shorted. I have one on the way and when I get it in a few days, I will report on my findings. Assuming that I can tell which mode my phone is charging in when I connect it.
Apsalus said:
Can someone show me a screenshot of the "charging USB" and "charging AC" indicators? The RZD is my second HTC phone and I've read mentions of these two different states of charging, but I've never noticed any indicator that I was getting anything other than an "AC" charge. That said, the OEM HTC car chargers supposedly supply a full 1A because the D+ and D- pins are shorted. I have one on the way and when I get it in a few days, I will report on my findings. Assuming that I can tell which mode my phone is charging in when I connect it.
Click to expand...
Click to collapse
No time to upload screenshots right now but if you go into Settings > About Phone > Battery and right at the top it will say
Not Charging
Charging A/C
Charging USB
Depending on what you are doing and how it is hooked up.
This is an easy fix and it should work on most chargers that have this problem.
I had this problem with the Griffin PowerJolt Dual Universal Micro that I bought for my TouchPro2. To fix it all you have to do is open up the housing (make sure you don't lose any parts, some are under tension and have the tendency to fly away) and solder together the two middle solder points on the usb connector. I have attached an image of what you should look for.Just make sure you do not accidentally solder to either pin 1 or 4 as they are the +V and -V. Once you solder the middle pins together you should be able to reassemble the charger and you phone should see it as an ac charger and will be able to charge faster. Let me know if this works for you.
icy1899 said:
This is an easy fix and it should work on most chargers that have this problem.
I had this problem with the Griffin PowerJolt Dual Universal Micro that I bought for my TouchPro2. To fix it all you have to do is open up the housing (make sure you don't lose any parts, some are under tension and have the tendency to fly away) and solder together the two middle solder points on the usb connector. I have attached an image of what you should look for.Just make sure you do not accidentally solder to either pin 1 or 4 as they are the +V and -V. Once you solder the middle pins together you should be able to reassemble the charger and you phone should see it as an ac charger and will be able to charge faster. Let me know if this works for you.
Click to expand...
Click to collapse
i'll have to get another dongle and try that. what i did try was cutting open a micro USB cable and disconnecting the green & white cables(data), putting it back together and trying it out but then it still said "charging USB" and didn't seem to make a difference.
NilsP said:
I have this Belkin USB car charger and it not only registers and charges as A/C it keeps up with using nav and listening to books in the car.
Belkin
Click to expand...
Click to collapse
There are a lot of reviews from the above that say it still charges via USB only and not A/C. Seems hit or miss.
It may depend on how much power the charger supplies. Some may not give a full 1A and some dual charger may only give .5A per port.
voxigenboy said:
i'll have to get another dongle and try that. what i did try was cutting open a micro USB cable and disconnecting the green & white cables(data), putting it back together and trying it out but then it still said "charging USB" and didn't seem to make a difference.
Click to expand...
Click to collapse
You have to short them, so hook them together!
NilsP said:
I have this Belkin USB car charger and it not only registers and charges as A/C it keeps up with using nav and listening to books in the car.
Click to expand...
Click to collapse
What do you mean by keeps up with nav and listening to books?
I'm hoping I can navigate my phone's mp3s using my car stereo. I tried plugging it into the car's usb port that works for my ipod but it didn't read anything when I went to the usb tab on my car's screen.
I've ordered that Belkin charger based on your suggestion in the audio thread but haven't received it yet. Hoping that's what you're talking about and that I'll be able to see my mp3 library on my car's screen. Of course I suppose it depends on the audio system or car. I have a Gen 3 Prius with stock stereo that came with the navigation.
feralicious said:
What do you mean by keeps up with nav and listening to books?
I'm hoping I can navigate my phone's mp3s using my car stereo. I tried plugging it into the car's usb port that works for my ipod but it didn't read anything when I went to the usb tab on my car's screen.
I've ordered that Belkin charger based on your suggestion in the audio thread but haven't received it yet. Hoping that's what you're talking about and that I'll be able to see my mp3 library on my car's screen. Of course I suppose it depends on the audio system or car. I have a Gen 3 Prius with stock stereo that came with the navigation.
Click to expand...
Click to collapse
The charger is just for charging. Once you plug your usb cable into it you will not be connected to the stereo.
I use the charger for charging, the BT for the phone to car stereo, and the aux jack for listening to Audible books in the car. The nav I was refering to is the Google Maps for GPS navigation which outputs sound over my aux connection.
NilsP said:
The charger is just for charging. Once you plug your usb cable into it you will not be connected to the stereo.
I use the charger for charging, the BT for the phone to car stereo, and the aux jack for listening to Audible books in the car. The nav I was refering to is the Google Maps for GPS navigation which outputs sound over my aux connection.
Click to expand...
Click to collapse
Okay, thanks. Doesn't look like I'll be seeing my phone's mp3 library on my car's navi screen.
I forgot to update this thread. I got the HTC CC C300 dual port charger and it does provide the juice for AC charging. Cruising down the road, it was pushing a little under 850mAh into my near-dead battery. The model number is 99H10128-00.
If you can live with only one port, the single port HTC charger does AC charging as well. The cheapest that I've seen it is here, as a "T-Mobile myTouch" branded unit. http://www.amazon.com/HTC-T-Mobile-...UTF8&coliid=I3F2IGEKMH21XF&colid=CYR5AB72ZMIK
NilsP said:
I have this Belkin USB car charger and it not only registers and charges as A/C it keeps up with using nav and listening to books in the car.
Belkin
Click to expand...
Click to collapse
FYI, I bought this on your recommendation and it DOES NOT charge in AC mode with the Galaxy Nexus LTE.
UPDATE. I think I found the problem. There must be a variation in actual vehicle DC outlets. The Belkin and myTouch chargers mentioned in this thread both charge in AC mode in my wife's VW. They do not in my Ford F150. So basically its a crap shoot Good luck.
???
I am surprised no one has simply pointed out that a power inverter will do the job. They are perpetually at $15-$20 on NewEgg. It will give you an A/C plug, which you can then use to charge your phone at 1A.
jdmba said:
I am surprised no one has simply pointed out that a power inverter will do the job. They are perpetually at $15-$20 on NewEgg. It will give you an A/C plug, which you can then use to charge your phone at 1A.
Click to expand...
Click to collapse
yeah but its ugly and bulky
Welp
couchmonkey said:
yeah but its ugly and bulky
Click to expand...
Click to collapse
It don't gotta sit on your lap
In reality, it is the only solution to the OP's question, as it is unlikely that any of the car chargers will put out 1A. Again, was just surprised no one offered the only solution, aesthetics aside.
Hohlraum said:
FYI, I bought this on your recommendation and it DOES NOT charge in AC mode with the Galaxy Nexus LTE.
Click to expand...
Click to collapse
Not sure if your post is meant to inform or complain, but his rec was posted in the Rezound accessories forum and that's the phone he confirmed it working on.
I just checked it on my Rezound in my Prius and it DOES charge in AC mode, so thanks Nils!
jdmba said:
In reality, it is the only solution to the OP's question, as it is unlikely that any of the car chargers will put out 1A.
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The AC charger included with the RZD and both of the car chargers that I posted push ~980mAh to my phone. Is a full 1A even possible?
An easier fix is to flash incredikernel and use the usb fast charge option.