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I spend a lot of time tethering and just using my phone with the charger on... But if I spend too much time on it the phone still dies... I look at my battery usage and even though it IS charging the graph is still going down... Any word?
Sent from my PG86100 using XDA App
Do you have it plugged into the wall or through the USB port?
The phone uses more mAh than the USB port is capable of providing if you are doing almost anything with the phone. The wall charger can have a hard time keeping up at times too.
Thaxx said:
I spend a lot of time tethering and just using my phone with the charger on... But if I spend too much time on it the phone still dies... I look at my battery usage and even though it IS charging the graph is still going down... Any word?
Sent from my PG86100 using XDA App
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Click to collapse
I had the same problem with my EVO and the issue seems to still exist on the EVO 3D. Essentially, as posted above, when plugged into a computer, the phone charges at a lower mA than it does when plugged into the wall. Tethering uses both the WiFi radio and the 3G/4G radio which consume more power than the charging is able to supply, hence you'll see the phone slowly die even though it is charging.
I haven't really seen a good long term solution for this. I know, in an attempt to mitigate power consumption, the CPU can be down clocked and ran at a lower speed (SetCPU common App used for this purpose and free on XDA), but not sure how significant the impact it will have on the power drain.
It really would be interesting to see some detailed stats on how much power each radio in the EVO 3D consumes when used alone and when used together.
Hope that helps!
Thanks both of you but I do charge it though the ac adapter... Its gotten to the point where I got the screen all the way down and only using 3g so it barely charges... I can't even use netflix that way
Sent from my PG86100 using XDA App
Thaxx said:
I spend a lot of time tethering and just using my phone with the charger on... But if I spend too much time on it the phone still dies... I look at my battery usage and even though it IS charging the graph is still going down... Any word?
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Click to collapse
Are you wifi or USB tethering?
Because wifi tethering will chew through battery like nobody's business. When tethering through wifi, you are operating both the 3G/4G radio as well as the wifi radio, and doing so pretty extensively. To boot, the 3G/4G reception where you are may not be ideal, so the radio has to try harder to maintain a signal.
I've had two other smartphones that I tethered daily with, and in both cases the battery would slowly drain even while plugged into the stock charger for the phone, so that by the end of my workday the battery would be around 30-50% despite being plugged in the whole time.
You may want to get a 3rd-party charger with a higher mA rating (something in the 1500mA range), which may help.
saltorio said:
Are you wifi or USB tethering?
Because wifi tethering will chew through battery like nobody's business. When tethering through wifi, you are operating both the 3G/4G radio as well as the wifi radio, and doing so pretty extensively. To boot, the 3G/4G reception where you are may not be ideal, so the radio has to try harder to maintain a signal.
I've had two other smartphones that I tethered daily with, and in both cases the battery would slowly drain even while plugged into the stock charger for the phone, so that by the end of my workday the battery would be around 30-50% despite being plugged in the whole time.
You may want to get a 3rd-party charger with a higher mA rating (something in the 1500mA range), which may help.
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Click to collapse
The charging unit on the phone will down grade to one amp even if you get a 1500 ma charger. I have a iPad charger rated st 2.1 amps and still charges as fast as the stock charger. This is built in protection. I may be wrong..
life64x said:
The charging unit on the phone will down grade to one amp even if you get a 1500 ma charger. I have a iPad charger rated st 2.1 amps and still charges as fast as the stock charger. This is built in protection. I may be wrong..
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Ah, that's good to know.
ive never had a phone that keep keep up with charging while wifi tethering. 4g phones are especially bad because of the wimax radio
Success100 said:
ive never had a phone that keep keep up with charging while wifi tethering. 4g phones are especially bad because of the wimax radio
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It kinda makes sense...if WiFi tethering and mobile network on easily will exceed the normal thereshold of over 1 amp...hence battery gets hot and chrarger is working overtime in trying to power the phone with every thing going on and charging the battery with ma usage exceeding regulated power. I never thought of it like that.to bad I cannot diet this way...
life64x said:
It kinda makes sense...if WiFi tethering and mobile network on easily will exceed the normal thereshold of over 1 amp...hence battery gets hot and chrarger is working overtime in trying to power the phone with every thing going on and charging the battery with ma usage exceeding regulated power. I never thought of it like that.to bad I cannot diet this way...
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Yeah, it's a similar issue to what can happen is using Google Navigation:
GPS + constant data + screen + graphic rendering = drain
I picked up a 1A car charger just to help combat that, though apparently Google is working on this very issue themselves:
http://www.google.vu/support/forum/...n&fid=4cc9c887d2e027120004a7f6a622a7be&hltp=2
life64x said:
The charging unit on the phone will down grade to one amp even if you get a 1500 ma charger. I have a iPad charger rated st 2.1 amps and still charges as fast as the stock charger. This is built in protection. I may be wrong..
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I don't think that's right. I bought a rapid charger off Ebay and definitely notice the difference from the other Samsung charger I was using. Maybe the Samsung was only rated less than 1 amp, I don't know, but this charger will take my phone from under 50% to about 95% in the half hour drive to work.
I had the same problem as the OP. Running the GPS and Nav apps for the duration of the trip would leave my phone with less juice than when I started. After the new power cord it's a few percentage points higher at least.
I bought this one. For $3 bucks I figured I couldn't go wrong since it was a U.S. seller and had high feedback.
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=300518663951&ssPageName=STRK:MEWNX:IT
ScottSNX said:
I don't think that's right. I bought a rapid charger off Ebay and definitely notice the difference from the other Samsung charger I was using. Maybe the Samsung was only rated less than 1 amp, I don't know, but this charger will take my phone from under 50% to about 95% in the half hour drive to work.
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Depends o the amperage of the charger being used. Many older chargers and stock chargers from all but the most recent phones are in the 500mA to 750mA range. The data on the charger should list it's output.
A lot of USB car chargers need to be modded to get the full power out of them. They basically tell the phone that it's connected to a computer and to only take ~500mA. When you mod them, the phone will pull ~1A.
There's a thread somewhere around that talks about it and shows how to do it, I think it's in the EVO 4G forum. Basically, you short out pin 2 and 3 so the phone knows it's not connected to a computer.
Night·Fire said:
A lot of USB car chargers need to be modded to get the full power out of them. They basically tell the phone that it's connected to a computer and to only take ~500mA. When you mod them, the phone will pull ~1A.
There's a thread somewhere around that talks about it and shows how to do it, I think it's in the EVO 4G forum. Basically, you short out pin 2 and 3 so the phone knows it's not connected to a computer.
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I thought that had to do with getting iPhone chargers to work on the every other device on Earth? Something about Apple speccing the ground differently or something?
I know that with the vast majority of older iPhone-intended chargers, they simply won't charge any other USB device I've tried (my old Xperia X10, my mom's Sony eReader, the EVO 3D, my friend's Samsung Galaxy). If they were simply being limited to 500mA, they'd still charge, just not particularly fast.
-edit-
OK, I think I found the issue (from Wikipedia - http://en.wikipedia.org/wiki/Universal_Serial_Bus):
Non-standard devices
Some USB devices require more power than is permitted by the specifications for a single port. This is common for external hard and optical disc drives, and generally for devices with motors or lamps. Such devices can use an external power supply, which is allowed by the standard, or use a dual-input USB cable, one input of which is used for power and data transfer, the other solely for power, which makes the device a non-standard USB device. Some external hubs may, in practice, supply more power to USB devices than required by the specification but a standard-compliant device may not depend on this.
Some non-standard USB devices use the 5 V power supply without participating in a proper USB network which negotiates power draws with the host interface. These are usually referred to as USB decorations. The typical example is a USB-powered keyboard light; fans, mug coolers and heaters, battery chargers, miniature vacuum cleaners, and even miniature lava lamps are available. In most cases, these items contain no digital circuitry, and thus are not Standard compliant USB devices at all. This can theoretically cause problems with some computers, such as drawing too much current and damaging circuitry; prior to the Battery Charging Specification, the USB specification required that devices connect in a low-power mode (100 mA maximum) and communicate their current requirements to the host, which would then permit the device to switch into high-power mode.
In addition to limiting the total average power used by the device, the USB specification limits the inrush current (i.e., that used to charge decoupling and filter capacitors) when the device is first connected. Otherwise, connecting a device could cause problems with the host's internal power. Also, USB devices are required to automatically enter ultra low-power suspend mode when the USB host is suspended. Nevertheless, many USB host interfaces do not cut off the power supply to USB devices when they are suspended since resuming from the suspended state would become a lot more complicated if they did.
There are also devices at the host end that do not support negotiation, such as battery packs that can power USB-powered devices; some provide power, while others pass through the data lines to a host PC. USB power adapters convert utility power and/or another power source (e.g., a car's electrical system) to run attached devices. Some of these devices can supply up to 1 A of current. Without negotiation, the powered USB device is unable to inquire if it is allowed to draw 100 mA, 500 mA, or 1 A.
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There's also a good discussion on it here: http://superuser.com/questions/7765...connected-with-my-pc-to-charge-my-droid-phone
I'm looking for an external battery charger (preferably solar powered) for taking my Note on backpacking trips. Unfortunately, most of the solar packs that I've found have only .5 - .7 amps available for USB output. If I'm using a 1amp charging cable (with the data leads shorted), will .7 amps kick in the AC charging speed? Is .5 amps enough to charge the phone while I sleep for 7 hours?
I suppose it depends on how long you are out without power but another alternative is an external battery that allows you to charge your phone by plugging it into the external battery.
This one here (at $75 USD) will let you charge the Note from completely dead to a full complete charge 4.4 times.
http://www.amazon.com/New-Trent-IMP...Z64Q/ref=sr_1_2?ie=UTF8&qid=1336084828&sr=8-2
So, if you started your backpacking with a full charge on both the phone and the battery pack, and assuming you charge the phone every night at say 20% battery left, you should get 6 days. If you need more than that, you can just buy a second battery pack (personally, Id want to have two just in case).
That's a good suggestion from littlewierdo. I would also have at least 2 spare batteries for the note. I don't think that .5 amps is enough.
Budge said:
I'm looking for an external battery charger (preferably solar powered) for taking my Note on backpacking trips. Unfortunately, most of the solar packs that I've found have only .5 - .7 amps available for USB output. If I'm using a 1amp charging cable (with the data leads shorted), will .7 amps kick in the AC charging speed? Is .5 amps enough to charge the phone while I sleep for 7 hours?
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Click to collapse
Budge I had an HTC evo 4g and got a 5400mah battery. This worked ok. However the output is .5a which will not charge the note if you are using maps with gps or bluetooth or playing tunes. It wil charge when not using those. Say at night when you are asleep. I think you would have to find a battery with output better than 1a to actually charge when you are actively using your phone. I am not sure of the actual output you would need. I will research it though for my own needs. I do use my note on my motorcyle with a charger which outputs .5a and this is nowhere near what is needed to use google maps and bluetooth and play tunes.
I am actively looking for a solution which will charge my note while using google maps, bluetooth, and playing tunes etc. I may have found a solution with a usb y cable which is connected a 2a source and a .5a source on my motorcycle.
The only solution for backpacking may be to charge when not using the note. I am fairly sure it will charge at .5a when sleeping.
Good luck.
kimtyson said:
That's a good suggestion from littlewierdo. I would also have at least 2 spare batteries for the note. I don't think that .5 amps is enough.
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imesg said:
I am actively looking for a solution which will charge my note while using google maps, bluetooth, and playing tunes etc. I may have found a solution with a usb y cable which is connected a 2a source and a .5a source on my motorcycle.
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Im not sure where you got the .5 amps from, it outputs 1 amp, so it will charge the Note with the screen on. However, it wont charge quite as fast as the wall charger will it will actually charge the phone.
It should be able to handle keeping the screen on, bluetooth doesnt use much power at all so playing music shouldnt be an issue and gps uses very little battery as well. I dont see an issue with it.
Admittedly, I dont have one of these, dont really have much of a use for one at the moment but I cant possibly see any issues with this.
HOWEVER, there are alternative external battery packs that are MUCH cheaper with less mah capacity (meaning, in simple speak, you would get less power storage meaning that you wouldnt be able to charge your phone as many times as you might like). There are other USB battery packs that might also have less power output (or more) which might mean that you wouldnt be able to keep the screen on AND charge the phone.
Truth be told, I only looked for the highest capacity battery pack given what your situation was AND I tend to buy higher end if the price makes sense. In the case of battery packs similar to this design (external usb battery packs), they generally start at $30 and go to about $80 so buying the best possible makes sense. However, if the highest/best possible was $200, Id probably get something cheaper, but since its only ~$80, if I were in your shoes, that would be my choice.
Id probably consider getting two of them (that is, if we are talking about longer than 1 week excursions, if under a week, just get 1) and a decently long usb cable (3-4 ft) but not too long (you dont want to be tripping over the cable but you need it long enough that if you need to, you can charge the phone mid-day while hiking).
You dont need multiple batteries for the Note, the whole point of this external battery pack is to eliminate the need for them.
littlewierdo said:
Im not sure where you got the .5 amps from, it outputs 1 amp, so it will charge the Note with the screen on. However, it wont charge quite as fast as the wall charger will it will actually charge the phone.
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littlewierdo I was not necessarily speaking of the device you suggested but one I had. I was warning Budge to be careful and not get a device which outputs only .5a. I was suggesting that he find one which will put out 2a if such exists. The device which you suggested will put out 1a. However I don't believe this would be enough for my purposes and maybe no Budge's either. i was not refering to your device or you. Not my intent to get in an argument with you but to help Budge find a suitable solution.
link to imp1000 manual:
http://www.google.com/url?sa=t&rct=...sg=AFQjCNFPt8XfUpeSr8olPnKLYCivrRvqFg&cad=rja
Couldn't make the link post as a link. Do a search for 'imp1000 manual'.
Ciao
Littlewierdo- I didn't disagree with your suggestion to use another battery pack to charge the existing battery. In fact, I have one and use that option myself. I was adding that it may be a good idea to have a spare. I was responding to the OP who mentioned .5 amps. I assume that's where imesg was coming from, too.
My car charger doesn't charge my note 2 although it acts like it charging. How can I fix this issue.
webb7735 said:
My car charger doesn't charge my note 2 although it acts like it charging. How can I fix this issue.
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Car chargers work much slower than a wall charger because of the output of it. If you have the screen on, using gps, and listening to music at the same time it won't charge or it will actually drain.
charging problems
webb7735;4216o87 said:
My car charger doesn't charge my note 2 although it acts like it chargine. How can I fix this issue.
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pp
Probably, the car charger is putting out just enough amps to activate charging mode, but not enough to charge with any discernable speed
I would look for a more reputable charger brand. I have found that cheapie chargers just don't perform well. Especially with the 2 amp requirement our devices need. A 1 amp verizon mobile charger with the micro usb factory attached and ment realistically for my wife's s3 1 amp requirement is adequate to provide a stable but long charge time for my note 2. Remember, some power distribution is lost simply in the usb connection between a cheap 1 amp charger and the usb cable plugged into it. Another useful addition for mobile charging would be an ac/dc inverter that allows your factory home 2 amp charger to plug into your vehicle. That would be reasonably clean 110 v ac to dc at 2 amp from your genuine samsung home charger. Better chance of getting the charging capacity you require. Also, don't forget to chech your usb cable. It may look fine, but could be stretched or damaged causing a bad charge connection. But definitely avoid cheap car chargers. Not only can they work sporadically, they may actually damage your phone.
MUOTE=BoostedB18C;42146532]Car chargers work much slower than a wall charger because of the output of it. If you have the screen on, using gps, and listening to music at the same time it won't charge or it will actually drain.[/QUOTE]
I have tried charging my phone with it turned off when its charging in my car i dont use it i just let it charge but it doesnt work. Its ok not a big deal i can charge it at home and get a good day and a half on a full charge. I was just wondering if there was a way to fix it.
SuperDuperPuddin said:
pp
Probably, the car charger is putting out just enough amps to activate charging mode, but not enough to charge with any discernable speed
I would look for a more reputable charger brand. I have found that cheapie chargers just don't perform well. Especially with the 2 amp requirement our devices need. A 1 amp verizon mobile charger with the micro usb factory attached and ment realistically for my wife's s3 1 amp requirement is adequate to provide a stable but long charge time for my note 2. Remember, some power distribution is lost simply in the usb connection between a cheal 1 amp charger and the usb cable plugged into it. Another useful addition for mobile charging would be an ac/dc inverter that allows your factory home 2 amp charger to plug into your vehicle. That would be reasonably clean 110 v ac to dc at 2 amp from your genuine samsung home charger. Better chance of getting the charging capacity you require.
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Thanks for the info. I will try that.
SuperDuperPuddin said:
pp
Probably, the car charger is putting out just enough amps to activate charging mode, but not enough to charge with any discernable speed
I would look for a more reputable charger brand. I have found that cheapie chargers just don't perform well. Especially with the 2 amp requirement our devices need. A 1 amp verizon mobile charger with the micro usb factory attached and ment realistically for my wife's s3 1 amp requirement is adequate to provide a stable but long charge time for my note 2. Remember, some power distribution is lost simply in the usb connection between a cheap 1 amp charger and the usb cable plugged into it. Another useful addition for mobile charging would be an ac/dc inverter that allows your factory home 2 amp charger to plug into your vehicle. That would be reasonably clean 110 v ac to dc at 2 amp from your genuine samsung home charger. Better chance of getting the charging capacity you require. Also, don't forget to chech your usb cable. It may look fine, but could be stretched or damaged causing a bad charge connection. But definitely avoid cheap car chargers. Not only can they work sporadically, they may actually damage your phone.
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This, I just didn't feel like explaining it all. Also using an inverter can cause problems with strain on the electrical load of the vehicle though. If you have a big truck, they are safe to use. If you have a civic, I wouldn't use one.
charging problems
webb7735 said:
Thanks for the info. I will try that.
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You are most welcome.
BoostedB18C said:
This, I just didn't feel like explaining it all. Also using an inverter can cause problems with strain on the electrical load of the vehicle though. If you have a big truck, they are safe to use. If you have a civic, I wouldn't use one.
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I used one all the time when I had my Civic Si to power mine and a friends laptops when in town, we didn't have high speed at our houses and the provider wanted 50k to bring it, and I never experienced any issues with electrical strain. Im not saying it doesn't happen but with the newer vehicles it isn't that much of an issue.
Sent from my SCH-I605 using XDA Premium HD app
shangrila500 said:
I used one all the time when I had my Civic Si to power mine and a friends laptops when in town, we didn't have high speed at our houses and the provider wanted 50k to bring it, and I never experienced any issues with electrical strain. Im not saying it doesn't happen but with the newer vehicles it isn't that much of an issue.
Sent from my SCH-I605 using XDA Premium HD app
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Click to collapse
Thanks for the info.
The Xperia Tablet Z is a notoriously slow charger and won't charge over USB (from what I've heard, I don't have mine yet). Does anyone know of a portable charger or power pack that'll work with it?
Ideally one available in Europe.
Cheers.
Sent from my GT-N7100 using xda app-developers app
Morti said:
The Xperia Tablet Z ... won't charge over USB (from what I've heard, I don't have mine yet).
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The Xperia Tablet Z is supplied with a charger that connects to its USB port; so, the XTZ will charge via its USB port.
If you attempt to charge the tablet via a computer's USB port, that port must be capable of supplying enough charging amperes, otherwise, the tablet will not charge. Standard USB 2.0 ports supply up to 500 mA and standard USB 3.0 ports supply up 900 mA, neither of which is truly enough amperes to charge the tablet. USB ports on computers that are specifically designed for charging devices usually supply 1500 mA (1.5 A) or more. Some manufacturers mark these types of USB ports with a lightening bolt symbol.
As for portable chargers, I have not used any except for chargers that fit in my automobile's power plug (cigarette lighter plug).
Morti said:
The Xperia Tablet Z is a notoriously slow charger and won't charge over USB (from what I've heard, I don't have mine yet). Does anyone know of a portable charger or power pack that'll work with it?
Ideally one available in Europe.
Cheers.
Sent from my GT-N7100 using xda app-developers app
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Click to collapse
Any halfway recent (read: last 5 years) USB charger will work with it. Be it the one Sony supplies with the tablet, an iPad charger...or one for the Galaxy Note 2.
USB chargers are standardized, you need a "special" one nowadays about as much as you need a "special" socket for a device with a power plug.
The only difference is that we have weaker and stronger chargers, but this does not limit their usability. If you use a weak charger your device will charge slower, if you use a charger with an higher maximum power as your device needs it will expl nothing bad will happen either, it won't take more from the charger than it can handle.
Personally I bought (since I need the original 1.5A charger for the dock) a 2A Samsung charger for travelling. I think it is the same as the Galaxy Note 2 uses, which you already have.
Oh, and it charges with the 2A one over USB also around 30% faster than with Sonys 1.5A.
Psykhe said:
Any halfway recent (read: last 5 years) USB charger will work with it. Be it the one Sony supplies with the tablet, an iPad charger...or one for the Galaxy Note 2.
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Maybe I'm not being clear.
Portable power supply. With a battery. One that puts out enough power to actually use the XTZ while it's charging, even if doing so only keeps the battery the same rather than actually charging it.
Can anyone recommend anything?
I know it uses a standard micro USB connector to charge but I've heard it won't charge from most PCs as they don't put out enough power. My understanding of many portable chargers is that they also don't put out a great deal of power unless specifically designed for laptops and the like. I don't know if the tablet's needs are quite that, but I'm looking for anyone who has experience using a battery pack with it and if anyone has any recommendations.
Or am I being silly and it'll work with anything capable of charging any tablet?
Thanks.
Morti said:
Or am I being silly and it'll work with anything capable of charging any tablet?
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It should. The XTZs battery isn't exactly high capacity as tablets go. The Nexus 10 has a 50% bigger one and the iPad3/4 one is almost twice as large.
The principle of power packs is in the end identical as that of basic USB chargers, even a 500mA one will charge the XTZ, but it will take around 15 hours for that (and around 24+ hours to charge an iPad). It isn't a question of "working", but of "working how fast". But, as said, the XDZ hasn't exactly an huge battery, so if anything it will charge faster than other Tablets.
Assuming you do not use it, that is. It is quite possible to discharge it as fast a 3A/hour if you use maximum screen brightness and CPU intensive tasks. But you can discharge other Tablets faster than you can charge them as well.
So what to use - same principle as with USB chargers, pick any. It does not matter if its power comes from a power plug or batteries. If ti works for one USB device it will work for all. What matters is it's maximum A output. One with 2A should be able to charge the XTZ in 4.5 hours, one with 1.5A in 6 hours, and so on...
Psykhe said:
So what to use - same principle as with USB chargers, pick any. It does not matter if its power comes from a power plug or batteries. If ti works for one USB device it will work for all. What matters is it's maximum A output. One with 2A should be able to charge the XTZ in 4.5 hours, one with 1.5A in 6 hours, and so on...
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Yeah, I'm looking for something that charges the XTZ faster than (or as fast as) it discharges.
Morti said:
Yeah, I'm looking for something that charges the XTZ faster than (or as fast as) it discharges.
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The Sony CPF2LS USB Portable Power Supply with 7000 mAh Battery charges at 1.5 amps so it should work for you. I'd post a link to Amazon, but, alas, I can't. It's around 63 bucks.
Regards,
John Francis
Morti said:
The Xperia Tablet Z is a notoriously slow charger and won't charge over USB (from what I've heard, I don't have mine yet). Does anyone know of a portable charger or power pack that'll work with it?
Ideally one available in Europe.
Cheers.
Sent from my GT-N7100 using xda app-developers app
Click to expand...
Click to collapse
There is a slew of chargers that will charge it. You can use laptop USB, but like mentioned if you use it while charging it will drain
To solve this problem you simply need to have a portable charger that will put out at least 1.5amp(which is what the tablet charges at if im not mistaken).
So plenty are on amazon or ebay which you should have access to in europe
I use powergen ,they work well and is good quailty. Like either of these will workbigger mah will make the charger simply last longer)
http://www.amazon.com/PowerGen-PGMP...=UTF8&qid=1372292278&sr=8-2&keywords=powergen
http://www.amazon.com/PowerGen-PGMP...=UTF8&qid=1372292278&sr=8-3&keywords=powergen
Key thing is to simply look for the amerpage it puts out before you buy, that's how you know if it will charge and use the tablet at the same time. I can sucessfully do both using my car charger(2amp made for iphones) and my Powergen
Morti said:
Yeah, I'm looking for something that charges the XTZ faster than (or as fast as) it discharges.
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The thing is this entirely depends how you use it. It is quite possible to use it in such a way that you would need a 3A charger to stop it from discharging. I do not think such one exists nor that the battery can accept such a charge.
So AFAIK a charger (be it a power plug or battery one) which stops it from discharging under all kinds of usage scenarios does not exist.
Therefore there is no answer to you "which charger I should use" question, only that the more A a charger puts out, the more usage scenarios will be covered (as in "will charge tablet while using it that way") by it.
Test how fast the Tablet discharges (without charging it) when you use it the way you plan to while using your charger. That will give you an indicator what kind of power you need. I.e. if it takes 12 hours even only a 0.5A charger will work, if it takes 2 hours you would need a 3A charger, which likely doesn't exists.
Im using an innergie charger that gives 2.1 amps and it charges a little faster than the 1.5a that came with it!
---------- Post added at 09:01 PM ---------- Previous post was at 08:53 PM ----------
also i noticed that the quality of the cable has an effect, cheap ones take longer!!
http://www.amazon.com/Portable-Flas...?ie=UTF8&qid=1374806804&sr=8-3&keywords=anker
I'm looking into buying this,hopefully the charging will be somewhat quick as opposed to my current rate. I wonder if there will we a decent charging rate when I use it with this:
http://www.kickstarter.com/projects/david-toledo/the-practical-meter-know-your-power
padooka said:
http://www.amazon.com/Portable-Flas...?ie=UTF8&qid=1374806804&sr=8-3&keywords=anker
I'm looking into buying this,hopefully the charging will be somewhat quick as opposed to my current rate. I wonder if there will we a decent charging rate when I use it with this:
http://www.kickstarter.com/projects/david-toledo/the-practical-meter-know-your-power
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You know that that charger will only charge around 66% of the XTZs battery, though?
(Effective maximum capacity ~4A (see "attrition factor" explained in 2nd review), XTZs battery: 6A)
I am using my Samsung Note2 charger that states 2A.
Charges alot faster so for people with other chargers I should check samsung chargers haha.
Heya,
I've used the Momox iPowerPro+ on my Xperia Tablet Z and no problems
http://shop.brando.com/Momax-8500mA...2-1A-1A-External-Battery_p08658c0191d003.html
I just bought two sets of SONICable,The World's Most Advanced Charging Cable, for $49.00. Supposedly, they will increase you charging speed by 2x. It's a crowdfund project, and the cables will supposedly be delivered in March 2015.
I'm not affiliated with the project. I only think it sounds like an exciting product and decided informing the community about it.
Does it work on the same principle as this video for doubling your WiFi speed?
Code:
https://www.youtube.com/watch?v=lG5cEik2ABY
Well while surely there are better and worse cables, doesn't charging speed depends on the output of the wall piece and the charging circuitry?
On bad cables i get at most 1 Amp to charge the tablet, but with the original samsung cable i do get around 2 amps which is the designed output of the wall piece.
Maybe it works like the "Fast Charge" mode on custom kernels.
Charging is limited by 3 factors
1. Stock charger 5 Volts, then most importantly is the Amps - 2A for typical Samsung charger so going faster then this is unlikely with the stock charger, and tablets can already charge at 1890mA so probably 90% of its rated current.
2. Cable quality and length most Samsung cables are already high-quality and have copper wires with two bigger wires for the 5v and Ground line and they are short length (3-6ft) so they can easily handle 2A output (probably higher).
3. Probably the most important is the phone / tablet, usually they have several circuitry and software (kernel) protections to limit the charging speed for several reasons since lithium-ion / poly are extremely dangerous if they are overcharged or overheated or otherwise improperly charged (you can see videos of people overcharging lithium battery's then tapping them causing a huge fireball )
So it is very unlikely for a cable to achieve better charging speed, it probably just has the Data + - pins shorted to tell the charger / phone to charge at full speed (though this is unnecessary nowadays since most chargers already do this, but it could be beneficial for older phones / tablets)
arcadia2uk said:
I just bought two sets of SONICable,The World's Most Advanced Charging Cable, for $49.00. Supposedly, they will increase you charging speed by 2x. It's a crowdfund project, and the cables will supposedly be delivered in March 2015.
I'm not affiliated with the project. I only think it sounds like an exciting product and decided informing the community about it.
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You seriously spent $49 on a usb lead
From the link you supplied:
'When the switch is ON: All of the power is focused on charging, sync/data is disabled'
What, like using a mains charger where there is no sync connection (or buying a cheap charging cable where the data pins aren't connected)
Hes either a bot or someone paid to advertise that "product". It did remind me of "double your network speed" video from youtube where dude wraps one ethernet cable with another one and doubles his internet speed.
I saw this post a while back, and it was immediately clear to me that it was a scam. I can't BELIEVE that they actually raised over $400k on this thing. Indiegogo seems like it's becoming a scammer's conduit to gullible/uninformed buyers.
When did commercial posts get so frequent in here?
ssmr2t said:
When did commercial posts get so frequent in here?
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Apparently, there's a difference between buying a sd-card on amazon, or a glass protector on amazon compared with a pair of cables on Indiegogo. Although, I can't really see the difference.
Anyway, if and when I receive the cables I will let you know how it worked out.
Did you get your cables yet? Your OP says they were due in March 2015
Edit: I like this better http://www.google.com/url?sa=t&sour...9QNSmGzx8GP_qMGpQ&sig2=O-5lUKoBFozTFf-A2spM6A
ssmr2t said:
Did you get your cables yet? Your OP says they were due in March 2015
Edit: I like this better http://www.google.com/url?sa=t&sour...9QNSmGzx8GP_qMGpQ&sig2=O-5lUKoBFozTFf-A2spM6A
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No news as of yet, who knows maybe it is as suggested a hoax. But, as I'm enjoying gadgets I'll take the risk.
arcadia2uk said:
No news as of yet, who knows maybe it is as suggested a hoax. But, as I'm enjoying gadgets I'll take the risk.
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Keep us posted! Im interested in the results.
I'll probably buy when the price goes down.
Seems like an interesting concept. I'd like to see the cable in real-world action. Assuming they actually make it to market, i'll buy when the price goes down.
Believe it, or not, but I actually received my cables last week. The charging speed is substantially improved, but definitely not 2x. However, I still haven't tried charging by connecting over the PC, where this might show up. Anyway, as a fan of gadgets I still satisfied with my purchase.
I'm glad your happy with your purchase.
Charging speed is limited by the circuitry in the tablet itself. There's a limit in the amount of amps it can pull from anything (charger/computer or any USB port). I have an extremely powerful charger so I'm sure I hit the max charging rate of my devices. This cable will not improve that. I'm also sure that it's actually charging faster and drawing more power than my original chargers as some devices act a bit weird when charged fast.
The "twice as fast" charging rate will be the exact same charging rate as you get from a "charge only" cable if (and only if) you connect it to a computer or another device that syncs data. In every other scenario you'll get the exact same charging rate.
Note that your computer typically has a USB port for charging that's capable of drawing more power than the standard 500 mA that USB 1 and 2 offer. (USB3 can draw 900 mA, up to 1500 mA if it's a charging port)
Keep in mind that the stock charger output is 5.3 volts.
Lower impedance cable helps.
Samsung stock cable is good enough, and PNY cable also does a good job.
You can have the same thing on eBay for $6 ...
http://www.ebay.com/itm/USB-smart-c...-Apple-Android-With-V-A-display-/141342314642
A charge only cable so you get maximum charge speed starts at only £5
http://www.portablepowersupplies.co.uk/portapow-fast-charge-micro-usb-cable/
An choice of USB Charging adapter, but do you really need these?
http://www.portablepowersupplies.co.uk/portapow-fast-charge-data-block-usb-adaptor/
John.
If you have 5 port 8 amp IQ charger, you can charge T520 faster.
ssmr2t said:
Did you get your cables yet? Your OP says they were due in March 2015
Edit: I like this better http://www.google.com/url?sa=t&sour...9QNSmGzx8GP_qMGpQ&sig2=O-5lUKoBFozTFf-A2spM6A
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Yes I got my cable, and the 2x works if you charge through your computers USB, as what the cable does is cutting off the communication to charge only. I saw a post at XDA that explain how to do this by yourself in about 5-10 min.