Can you do this on the stock firmware?
Do you have to root the device and change the ROM or just the Kernel?
I read somewhere you can tweak the device so that it charges at 1000 instead of 650ma, is this true ?
Any advice would be useful, thanks
Don't know about any tweaks, but using just a different charger would do some better,
http://forum.xda-developers.com/showthread.php?t=1213118&highlight=Fast+Cahrging
Regards.
Blimey I am surprised more people don't find the slow charging the biggest problem, I can cope with the phone draining the battery fast, this I can control by turning certain things off, but the extremely slow recharge is a killer.
I would prefer to be able to charge my battery in half the time and for the battery to only last half a year than to have to endure the terribly slow charging to have a battery last a year, at it would be nice to have the option, sometimes you simply just need to quickly charge your phone, other times like overnight, it can take as long as it likes
Your thread link above seems to suggest that even using a more powerful charger than stock will not increase charge time
You would need to flash a custom kernel with the maximum mA draw increased, ninphetamine kernel from my sig is one such kernel.
Just don't charge from USB. It's so much faster from the socket
TheSaw said:
Just don't charge from USB. It's so much faster from the socket
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Click to collapse
I am using the Mains charger that came with the device, not USB, its way to slow
Related
unplugged my phone at 8 read xda forum for 5 mins got to work right now 943 already at 89 percent. Does this seem normal? I been checking better battery stats but don't really understand it. I feel like something is trying to sync. i have fetch off for email and Facebook. anyway to diagnose this on saurom rc4 clean boot.
Sent from my oversized communication device.
Are you overclocked? If you are, which governor are you using? I've posted in the OC kernel thread about an issue where the CPU is running at max frequency the entire time causing a huge battery drain.
I am right now but its showing me deep sleep and 192mhz on demond has a big percentage. Its not running max clocked i know that.
Sent from my oversized communication device.
This is my shots I'm at 78 percent now been on xda for maybe teen more mins. My brightness is one step above min level. Its like 1 percent every 3 mins when screen is on even if I'm idle.
Sent from my oversized communication device.
h3r3tic said:
This is my shots I'm at 78 percent now been on xda for maybe teen more mins. My brightness is one step above min level. Its like 1 percent every 3 mins when screen is on even if I'm idle.
Sent from my oversized communication device.
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Click to collapse
I think I know what the problem is: Your phone is trying to kill itself and save humanity from that terrible font
seems like a bit much but it could be normal.
Once your phone's charge reaches 100% it stops charging to prevent damage to the Lithium-ion battery. I am not sure however when it starts charging again.
Mine charge % dips even when I am using plugged in! Horrible consumption with screen on.
installed only few apps.
Sent from my SAMSUNG-SGH-I717 using XDA
mdamathew said:
Mine charge % dips even when I am using plugged in! Horrible consumption with screen on.
installed only few apps.
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Click to collapse
Are you using the Samsung OEM home charger? It shouldn't be dipping when using that one. Mine will charge AND increase while using it in the car with GPS running (huge battery drainer) and a driving DVR program (DailyRoads Voyager) and the screen on. All with a car charger and cheater plug that shorts Pin 2&3. That's the secret to getting rapid charge to work. The OEM home charger has those pins shorted internally. If you are trying to charge over USB on your computer then again you need that cheater plug and ensure the USB port can support more than 700 mA. If it's a USB 3.0 port then it should handle that current.
No problems for me on the stock or aftermarket chargers with the screen on.
I have the same problem with my brand new I717 GN. Battery level slowly drops when on charge, even if it's the OEM wall adapter. I've tried my Kindle USB cables as well with about the same results. I noticed the charge is a bit stronger from the wall source, but still can't keep up with even simple web browsing via WiFi. I've installed JuiceDefender as well, and it's helped reduce depletion a bit, but not really enough. This phone would never last me a full day of intermittent use without a power source.
I've read several of these threads and there doesn't really seem to be a solid solution to this other than some GN owners saying they have the problem and some don't...
Someone mentioned a crosswired 'Smart Adapter Compatible with Samsung Galaxy S' on Amazon (I'm too new and can't post the link)... I might try that but maybe I'll return for a new one if some people don't have this battery problem, unless it turns out to be a latest firmware problem..?
billzilla2000 said:
I have the same problem with my brand new I717 GN. Battery level slowly drops when on charge, even if it's the OEM wall adapter. I've tried my Kindle USB cables as well with about the same results. I noticed the charge is a bit stronger from the wall source, but still can't keep up with even simple web browsing via WiFi. I've installed JuiceDefender as well, and it's helped reduce depletion a bit, but not really enough. This phone would never last me a full day of intermittent use without a power source.
I've read several of these threads and there doesn't really seem to be a solid solution to this other than some GN owners saying they have the problem and some don't...
Someone mentioned a crosswired 'Smart Adapter Compatible with Samsung Galaxy S' on Amazon (I'm too new and can't post the link)... I might try that but maybe I'll return for a new one if some people don't have this battery problem, unless it turns out to be a latest firmware problem..?
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Click to collapse
he mentioned it and linked it 2 posts above you
ive thanked him, and guess about to buy
just that shipping cost more than the item itself, sheesh
I read an article in a journal recently about how smartphones charge their batteries. The article claimed that once the charge has reached 100%, it will stop providing current to the device until it reaches 90%, after which it will then trickle charge to maintain it at about 90%. All the while the battery meter will still show 100% (at least in the case of iPhones), but after you unplug the phone the first 10% will go rather quickly as it approaches the real charge level.
True for our notes? No idea. But with how Lithium batteries work, I wouldn't be surprised.
I haven't gotten my Note to discharge while plugged in with the OEM AC charger. In the car however, running Waze will suck the life out of it even while charging. (My car charger puts out about 150mA less than the OEM AC charger). Oddly enough, running Navigon on battery alone has less discharge than running Waze while plugged in...Which sucks, because while Waze has crappy directions, it has saved me many hours by routing around traffic. But at least the phone still charges while using Navigon and streaming some Pandora.
Lithium ion batteries hate heat. Since it tends to get a bit hot while charging, and I don't care how long it takes to charge, I have reduced the AC charging current to 450mA like a USB socket. Can anyone think of any negative effects this might produce?
Takes longer to charge, otherwise no.
But honestly, the little heat it produces when charging probably doesn't matter in your phone's useful life.
jzmtl said:
Takes longer to charge, otherwise no.
But honestly, the little heat it produces when charging probably doesn't matter in your phone's useful life.
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Click to collapse
If I'm not using it I agree, but if I happen to be using the phone while plugged in it gets plenty hot. Much more so than normal use (I have extreme CPU and GPU undervolt).
i charge my 2 batteries with a wall charger, it charges at 4.2v, 350mAh, it takes like 6hours to complete
i dont do this because of your question but it is much simpler swaping, then charging via usb,i get better cycles like this, swap every morning.
I have my phone plugged into my PC at work all day (USB) and rarely charge my phone outside of the office. Is this bad for the battery/phone? Anyone else do something similar?
I also did this with my OG EVO and battery life was 'okay' but never fantastic.
I know that the EVO 3D charges to 100%, then stops charging and drains itself about 5%, then charges again back to 100% while it stays plugged in. Maybe HTC kept this charging method?
fldash said:
I have my phone plugged into my PC at work all day (USB) and rarely charge my phone outside of the office. Is this bad for the battery/phone? Anyone else do something similar?
I also did this with my OG EVO and battery life was 'okay' but never fantastic.
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i always charge my phones (galaxy note and galaxy s3)via usb . we get better battery life by charging through usb and our phone charges faster (that is what i noticed) . enjoy !!!!
charismakid said:
i always charge my phones (galaxy note and galaxy s3)via usb . we get better battery life by charging through usb and our phone charges faster (that is what i noticed) . enjoy !!!!
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Click to collapse
Errrr....I don't think its possible to charge faster of a USB, that the wall outlet. .5 amp from USB vs 1amp from the wall.
But I usually let mine drain to about 50% then charge it off USB the rest of the day.
It's not really bad for your battery, but it's not the best practice for a li-ion battery. The subject of how to best take care of li-ion batteries is incredibly complicated and ultimately way over my head, but speaking in general terms, two things that are always bad for your battery are voltage and temperature. leaving your battery on the charger exposes it to both (although to a lesser extent on a USB charger than an AC charger, since you're getting half as much current). when the battery is at a lower capacity, say 80% or so, the voltage going through it is probably closer to 4.1 or 4.0, as compared to roughly 4.2 when it's at 100%. anything higher than 4.1 is considered high. Deep discharges also tend to reduce battery life, so if you really want to eke every last drop of life out of your battery, I'd charge it up to full, take it off the charger and let it get down to 50-40% or so, and then start it charging again at that point.
There's lots more information available at http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries if you're interested; they go into a lot more detail.
Thanks for that post. It says to charge your battery more often is better and that full discharging is not good. I fit that pretty much as I use my phone 90% of the time at work and have it plugged in to USB. After work and overnight my usage is light, and my battery may drop to the 60-70% before re-charging it the next morning at work.
My biggest issue is over the weekend and letting it discharge too much.
One thing to note, is the battery in the EVO LTE is Li-Poly.
I love my Mega. It is by far the best phone Ive ever had. But, the problems I have with the power usage and management on the device are a total nightmare.
1) The discharging nightmare:
The battery lasts NOTHING. Basically I get about 5 hours of use.. maximum.. no matter what I do.. and I have slimmed down to the ROM to having that NOTHING active.. I literally am left with active 6 services and I monitor CPU usage that is always near zero with NO apps hogging resources. From what I monitor on the device's battery usage, it's clearly always about 90% from the display! And yes, I dim the screen as much as I can of course, but usually not below 1/2way.. I hate screens too dim. However even just on standby with the screen off I still lose about 5% to 8% of battery an hour. Worse, even with the device Powered OFF, I still lose about 20% of battery a day. The ONLY way I have found out to control battery drain completely, is to take the battery out. That's it. Anyone else with similar symptoms and a fix or, is just that the stock battery totally sucks??? Also, any other off brand batteries are any better?.. (not the fat ones rated at much higher amps but that have an extra bulge.. that I don’t want)..
2) The charging nightmare:
This to me is the worse problem. It is bad enough how quickly this device issues battery, bit not nearly as bad as trying to charge efficiently again. I now have tried 3 different chargers/brands (and cables) to try fix the charging problem that is, it takes HOURS and HOURS to charge the battery. I am talking 5 to 6 hours to get it charged and if the screen is on and Im using the device it actually charges NOTHING at all and still keeps discharging (albeit much slower of course)... the fact is that the charging process is so pathetically slow that is less than real-time which means, with the device connected to power supply, the battery STILL drains if I try use it. This is absurd. However, mysteriously enough I have found ONE way that charges the phone super fast.. using a SONY External Power Pack (model CP-F1L) rated at 2200mAh. This is seems crazy because the power output of an external power pack should be much lower than the stock (and other Samsung) USB chargers.. but, it's what works.. the ONLY thing that works. And I have noticed that when connected to a USB Power charger, the Mega's Red LED light turn on faded.. however, when connected to the SONY External Power Pack, is bright red. Clearly more juice going in.. or something like that. Again, anyone else with similar symptoms and a fix the charging time, or, any good recommendation on a extra strong USB power adapter/charger that will make this thing at least charge faster?
Thanks in advance for the input and advice:silly:
Sounds like something is not letting your phone sleep or the battery is defective. Try putting CPU spy on it and let it set for a while. Then check to see if it is getting into deep sleep or if it is even stuck at a certain frequency.
There is an app on the playstore called Galaxy charging. Try it to see what rate it is charging. Though with the rate your phone discharges, the charger may only being supplying an amount just over the drain rate which is why it takes so long to charge.
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app
Yes this is not normal, I get five hours screen time on fifteen hours usage.
Sent from my GT-I9205 using Tapatalk 2
Yep, something wrong there. I'm stock and this thing won't quit :good:
I would flash the stock rom back into your phone and see how the battery works then as this not normal as mentioned by other members as I am still on the stock rom but rooted only and I have great battery life.
That is were to start by flashing the stock rom and if no change then battery or maybe a hardware problem.
Did you have good battery life before you starting flashing with the phone or did this occur after the stock rom was removed and custom rom with stuff removed to gain performance?
Sent from my SGH-I527M using xda app-developers app
Sometime i got 96% bug
Battry is fully charged = 100%
remove charger
Reboot device
Suddenly Battery become = 96%
ps000000 said:
Sometime i got 96% bug
Battry is fully charged = 100%
remove charger
Reboot device
Suddenly Battery become = 96%
Click to expand...
Click to collapse
You could try to remove the battery from the phone for about 5 secs and re-install and see it that helps as sometimes if you take the charger off as soon as it is done charging it might not show 100% at times when booting as I leave mine on for a bit longer and it seems to help..even though charge light is green..I leave it longer on.
If your phone is rooted get a app called battery calibrator from the google store as it is free and install it and just before you shut down the phone to charge wipe the battery stats with this app and then shutdown phone and fully charge and then see how the battery works after the battery stats wipe as that can usually help.
Sent from my SGH-I527M using xda app-developers app
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Mad383Max said:
Sounds like something is not letting your phone sleep or the battery is defective. Try putting CPU spy on it and let it set for a while. Then check to see if it is getting into deep sleep or if it is even stuck at a certain frequency.
There is an app on the playstore called Galaxy charging. Try it to see what rate it is charging. Though with the rate your phone discharges, the charger may only being supplying an amount just over the drain rate which is why it takes so long to charge.
Click to expand...
Click to collapse
Thanks for the tip. Installed the app you recommend, now I understand better. With the stock Samsung USB charger I get 420 readings. With the other 2 chargers I get 500 and 540. However, with the Sony External Power Pack I get 1900!..no wonder it charges super fast with it! My question now is what's up with all the USB chargers I have? I even tried my old Galaxy Tab 7 charger (strongest rated charger I have) and still only feeds 480. This is all so bizarre. So, where to get a super strong charger for the Mega?
(sorry.. by whatever reason my reply got posted 4 times.. so strange. I try delete the first three but cant)..
VeEuzUKY said:
Thanks for the tip. Installed the app you recommend, now I understand better. With the stock Samsung USB charger I get 420 readings. With the other 2 chargers I get 500 and 540. However, with the Sony External Power Pack I get 1900!..no wonder it charges super fast with it! My question now is what's up with all the USB chargers I have? I even tried my old Galaxy Tab 7 charger (strongest rated charger I have) and still only feeds 480. This is all so bizarre. So, where to get a super strong charger for the Mega?
(sorry.. by whatever reason my reply got posted 4 times.. so strange. I try delete the first three but cant)..
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Click to collapse
Usually when this happens there is something wrong with the USB cable not necessarily the charger. Is the sony cable a USB type cable or a hard wired one? If it is USB type try using it with the other chargers and see what your results are.
Sent from my SAMSUNG-SM-N900A using XDA Premium 4 mobile app
Mad383Max said:
Usually when this happens there is something wrong with the USB cable not necessarily the charger. Is the sony cable a USB type cable or a hard wired one? If it is USB type try using it with the other chargers and see what your results are.
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Click to collapse
Yes indeed I notice the Sony Power Pack cable is short and thick. The Samsung cable is long and thin. I get much higher charging power using the thick short cable. Maybe I need go shop for a proper longer/thicker cable.
VeEuzUKY said:
Yes indeed I notice the Sony Power Pack cable is short and thick. The Samsung cable is long and thin. I get much higher charging power using the thick short cable. Maybe I need go shop for a proper longer/thicker cable.
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Click to collapse
I've certainly found the USB cable makes a big difference to the charging speed. I got a couple of 2m cables off Ebay and they're hopelessly slow, but the stock Samsung cable is fast. I just wish it was a bit longer!
I have the same issue
I have the Sprint Mega. Not refurbished and original factory state but I have horrific charge/discharge issues. Right now, my phone just got to 100% charge which I then unplugged the charge cable. Within 5 mins, I went from 100% to 96% and it is losing battery even quicker.
VeEuzUKY: It's been a while but do you still have this phone? Any updates? I should prob invest in a thicker USB cable like you've describe. It has the most charge rate.
I got my mega 6.3 last week. Since then it has said 100% charged... even when charging or dead. So I got a new battery thinking it was the battery but its obviously not and im not sure what it is that could be the problem. Im not sure if its crucial for my phone, if it can be fixed easily and cheaply, or if I need to return my phone to the place I bought it from.
Hello.
I bought a used white S3 I9300 a few days ago and I have some questions about it.
First, the battery. It lasts about a day with regular use and I get about 3.5 hrs of screen time (using internet with 3g mostly, sometimes wifi. Using camera, a few different apps, UI browsing and a few other things. Brightness 60-100, power saving on about 50% of time). Is this good battery life or should I invest in a new battery?
Second, when I have the phone charging and I use it at the same time, it drains the battery slowly. Can't complain about charging time though, from 5-15% to 100% it takes about 3-4 hrs.
Third,can someone reccomend a good rom for it? Something that has good performance, features and battery life?
Thank you!
If your Phone is already on Sammy 4.3 I would recommend you to switch to any AOSP Rom.
Temasek´s CM11 or PAC-Rom are pretty well featured.
DJDuck said:
Hello.
I bought a used white S3 I9300 a few days ago and I have some questions about it.
First, the battery. It lasts about a day with regular use and I get about 3.5 hrs of screen time (using internet with 3g mostly, sometimes wifi. Using camera, a few different apps, UI browsing and a few other things. Brightness 60-100, power saving on about 50% of time). Is this good battery life or should I invest in a new battery?
Second, when I have the phone charging and I use it at the same time, it drains the battery slowly. Can't complain about charging time though, from 5-15% to 100% it takes about 3-4 hrs.
Third,can someone reccomend a good rom for it? Something that has good performance, features and battery life?
Thank you!
Click to expand...
Click to collapse
Battery Life completly depends on your usage ..........But the kind of Stats that u have specified it looks pretty much normal so you dont need to buy a new battery
Charging time that you have specified is a bit of my concern as using the official charger battery shoudnt drain while charging and using the phone(Unless ur playing heavy games simulaneously). Check if you have recieved an official charger.
Official S3 charger will charge your phone is Approx 3 hrs from 0(Obviously while ur not using it at d same tym). There are other 2A chargers available which will charge it much faster if you need (Read Pros n Cons)
ROMS ......well i Archidroid and REvolutionary S5 are the best Sammy Roms out there(personal opinion)
toshal_tambave said:
Battery Life completly depends on your usage ..........But the kind of Stats that u have specified it looks pretty much normal so you dont need to buy a new battery
Charging time that you have specified is a bit of my concern as using the official charger battery shoudnt drain while charging and using the phone(Unless ur playing heavy games simulaneously). Check if you have recieved an official charger.
Official S3 charger will charge your phone is Approx 3 hrs from 0(Obviously while ur not using it at d same tym). There are other 2A chargers available which will charge it much faster if you need (Read Pros n Cons)
ROMS ......well i Archidroid and REvolutionary S5 are the best Sammy Roms out there(personal opinion)
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Click to collapse
My phone came with original charger and cable. I am running stock 4.1.2.
I figured out the charging issue. I noticed that if I plugged in the charger it was showing charging AC with 1000mA. Once I moved the usb cable even slightly, it switched to usb charging and 400mA. Turns out there was a big piece of dirt stuck in the usb port. I pulled it out with a pair of tweezers and its all good now.