Develop Bugs

[Q] Battery Taking Too Long to Charge

I've had my N2 for a few weeks now. Suddenly, it has taken much, much longer to charge the phone. I calibrated the battery, drained it to 0 and plugged it in. 3 hours later it's still at 50% (and the phone is charging while off. Any suggestions?

Are you using the stock wall charger and cable that came in the box?

The reason the battery is taking so long to charge is because you ran it down to 0. If you want your batter to last longer it's best to use the 80 / 20. What I'm saying is use the phone down to 20% and recharge back to 100%.
Sent from my SAMSUNG-SGH-I317 using xda app-developers app

edit...remove my post.

JJ2525 said:
I've had my N2 for a few weeks now. Suddenly, it has taken much, much longer to charge the phone. I calibrated the battery, drained it to 0 and plugged it in. 3 hours later it's still at 50% (and the phone is charging while off. Any suggestions?
Click to expand...
Click to collapse
May be a faulty battery. Contact Samsung (I'm assuming that by n2 you mean note 2) and they'll probably send you a new battery.
Sent from a galaxy far far away.

I only had one issue, yesterday, and it was that my phone showed 25 percent charge on stock white Samsung charger/cable and I knew it had been on the charger longer than that. I rebooted and it showed 74%. Not sure what the hell this was about.

Old rules by what standard? Anytime using lithium type of battry is best not to run it down to 0%. I guess you don't have much experence with them besides your phone. I use them everday for my hobby. Sure you can run them down to 0% if you like replacing them quicker.
Sent from my SAMSUNG-SGH-I317 using xda app-developers app

andrawer said:
Huh? Its a lithium battery...those old rules dont apply. A little quick google on lithium batteries will explain this.
More than likely slow charges are due to a slow charge plug/cable...many prior posts on the charger.
Sent from my SAMSUNG-SGH-I317 using Tapatalk 2
Click to expand...
Click to collapse
Old rules were for NiCad tyoe batteries, where you did want to run them down to 100% and had to deal with other issues. If you do end up doing that Google search you will find the advice given is pretty accurate. Staying out of the high and low ends for long periods will give you many more cycles.
-- Note II, TapaTalk II--

xfaega said:
Old rules by what standard? Anytime using lithium type of battry is best not to run it down to 0%. I guess you don't have much experence with them besides your phone. I use them everday for my hobby. Sure you can run them down to 0% if you like replacing them quicker.
Sent from my SAMSUNG-SGH-I317 using xda app-developers app
Click to expand...
Click to collapse
my bad.:crying:
I realize now that I actually misread your post and thought your were saying the opposite....I think something is wrong with me?

JJ2525 said:
I've had my N2 for a few weeks now. Suddenly, it has taken much, much longer to charge the phone. I calibrated the battery, drained it to 0 and plugged it in. 3 hours later it's still at 50% (and the phone is charging while off. Any suggestions?
Click to expand...
Click to collapse
Buddy i am having the same problem ... did you find any sloutions
i went to service centre those assh**** have no idea and said that note 2 is a bigger phone so it will take 6 hrs to fully charge.
pl help me out

I know this would be obvious, but I figured I will ask anyway. Are you still running the stock kernel, or are you possibly running one without the capability to accept the 2.1A charging?
-- Note II, TapaTalk II--

JVogler said:
I know this would be obvious, but I figured I will ask anyway. Are you still running the stock kernel, or are you possibly running one without the capability to accept the 2.1A charging?
-- Note II, TapaTalk II--
Click to expand...
Click to collapse
How can I check this??
Full charge of my Note 2 is at least 10 hours, it's to much
I have 4.1.1 original firmware

I have a telus note 2, I am running stock software, rooted, I drain battery down to 10% and takes abour 2.5-3 hours to fully charge with stock cable and charger. I have noiced on a custom room it always taking longer to charge. I always charge with phone off.in doing this , I usually can get longer life out of the battery as well.
Sent from my SGH-I317M using XDA Premium HD app

Just to show proof of battery. This is with lte turned off and stock 4.2.1 software
Sent from my SGH-I317M using XDA Premium HD app

geniolanc said:
How can I check this??
Full charge of my Note 2 is at least 10 hours, it's to much
I have 4.1.1 original firmware
Click to expand...
Click to collapse
You would know if you were running a different kernel. You would have had to install it yourself. If you are All stock (ROM, AC adapter, cable) then you have something defective.
Here is my screenon time with everything running all the time on cleanROM with 6400 mah battery.
-- Note II, TapaTalk II--

Batteries will last thousands of cycles charging to 100% from 50, but maybe 300 cycles charging from 0 to 100. Don't run your battery down so much. Charge it when you're not using it.

Note2 battery drain problem
I too facing battery drain problem in my samsung galaxy note2 from last 1 week after installing lattest software update.
Previously my note2 was charged quickly in within 2 hours. After software upgrade, which came as push message, my battery takes almost 5-6 hours to charge from wall plugin source.
Can any body help me in restoring previous version of software??

Fast charge App

Im trying to find some form of app that will indicate whether or not im getting a FAST CHARGE to my phone similiar to this app made for the
SGS2 Skyrocket app
Im using a 4000 mAh battery that takes over 6 hrs to full charge
currently running BMS/ performance control toggle Fastcharge enabled/ LiquidSmooth rom
tried several different chargers including samsungStock charger same issue

crashpsycho said:
Im trying to find some form of app that will indicate whether or not im getting a FAST CHARGE to my phone similiar to this app made for the
SGS2 Skyrocket app
Im using a 4000 mAh battery that takes over 6 hrs to full charge
currently running BMS/ performance control toggle Fastcharge enabled/ LiquidSmooth rom
tried several different chargers including samsungStock charger same issue
Click to expand...
Click to collapse
I believe Fast Charge as to be cooked in the kernel.

BWolf56 said:
I believe Fast Charge as to be cooked in the kernel.
Click to expand...
Click to collapse
Yeah i know the devs do very well about implimenting fast charge into there kernels but what this app does is tell u if you getting wakelocks fast charge from the charger ive noticed that this phone takes much longer to charge then normal even on the stock 2100 mAh battery(i could be wrong on the 2100) but this app will help me eliminate wakelock charger issues that causes battery to take longer to charge
i hope this makes sense and im not going Nutz

crashpsycho said:
Yeah i know the devs do very well about implimenting fast charge into there kernels but what this app does is tell u if you getting wakelocks fast charge from the charger ive noticed that this phone takes much longer to charge then normal even on the stock 2100 mAh battery(i could be wrong on the 2100) but this app will help me eliminate wakelock charger issues that causes battery to take longer to charge
i hope this makes sense and im not going Nutz
Click to expand...
Click to collapse
That would depend on what you think is ''much longer''? Fast Charge only works when plugged on something else than the wall outlet. It basically disables the UMS to do so.

Yup, other dude is right you shouldnt need it for a wall outlet. Only off a computer. Try trickster mod. Works perfect for me.

I'll try the trickster mod and see how that goes ... Thanks for the tip. Bwolf 6hrs plus for charging on a stock and even this 4000mAh battery is long I can see 3-4 hr maybe 5hr it just abnormally longer even when plugged to the outlet but thanks guys for the help and further knowledge

The type and length of USB cable used will have a significant impact on how long it takes to charge your phone.
Sent from my SGH-I747 using xda premium

Slow charging on 4.3 (Please Close This Thread Mods)

I've notice while flashing carbon, dirty unicorns, and pa among other aosp ROMs
That charging seemed to be slow for me. So I wanted to investigate..
I grabbed an apk called galaxy charger light https://play.google.com/store/apps/details?id=com.abmantis.galaxychargingcurrent.free
And when I refreshed it while plugged in to the wall charger, it said the max was 400. That's like USB currents. So I used devil kernel, and inside the latest devil tools, there is a charging control tab. I changed the options like I have here in this screenshot.
Then when testing my current with that galaxy charging app, it now says my current is 2000. And my phone is charging super fast now like it used to. ...And I thought my cable was bad lol.
so if you're charging is slow, try that app out and test it and see what your current is... if its 1800 or 2000 then that's good, if its 400 or similar, then you're charging very slow.
Also, I'm charging at 1500 through USB when it used to be only 475. Kind of like 'fast charge'
****But be careful. I've only tested this out for a couple days. So far no problems but change the charging control in devil tools at your own risk.****
please close this mods
and only change the USB control if needed. (I've heard something about "fast charge" messes up USB ports on pcs when charging that high but idk if that's true or not. I've only read that once and I forgot my sources)
You want the 'max' to be around 2000.
Before this devil kernel tweak, I had a max of 500 within the galaxy charging app. This was on stock carbon and dirty unicorns. Now my max is 2000 and its definitely noticeable. now my phone even charges while playing a graphic intensive game.
after doing some reading, this may be just too dangerous and damaging to the battery that its not worth it. please check the link by saboture and this shouldnt really be needed. i guess tw doesnt charge at 2000 constantly either so it cant be good. was def only trying to help but i dont want to steer ppl in the wrong direction.
Devil kernel thread - http://forum.xda-developers.com/showthread.php?t=2299261
And his devil tools are listed here - http://forum.xda-developers.com/showthread.php?p=41346443#post41346443
Hope this helps somebody that has slow charging problems. I know I did and it has helped so much.
Thank you, -cue
EDIT: this may be an isolated incident for me. anyway, you can check your max current with the aforementioned app and see if its happening to you before any changes need to be made.
Screenshot removed-- please refer to later post as to why...
sent via tapatalk - sph-l900

Don't let your phone end up under the pillow on charge while you're asleep, it'll overheat like crazy at that current. I leave mine on 1200
Sent from my Galaxy Note II via Tapatalk 4

The faster you charge, the faster your batter will die and it will also lower the life span. Be careful using this.
Sent from my SPH-L900 using Tapatalk

http://plugable.com/2013/07/22/usb-hubs-and-chargers-what-happens-when-you-pull-too-much-power
Sent from my Galaxy Note II via Tapatalk 4

Good warning folks. Like I said, ive only tested this for a couple days so I'm glad your warnings are close to the op. I will edit it to stress the voltage warnings. Thanks! I haven't noticed heat that's why I've kept it. Will def watch it now. But I thought 2000 was equivalent to 2 amps which I thought our phone charged at originally. Obviously I don't have that much knowledge of electrical.. Better I learned from folks like you guys before I burned my face off lol
... unless the warning only pertains to USB charging. That I was weary of.. But nevertheless... Does make sense that it would wear the battery out though if it was too much that the phone can handle.
Was I the only one experiencing400? That is so low!! my phone was dying while texting and charging.. not right . never did that pre 4.3
sent via tapatalk - sph-l900

Sorry, edited my post a couple (actually more like 3 times) times (yeah I know) but now I have a question at the end so.. Bump I guess?
sent via tapatalk - sph-l900

And I actually really don't want this to destroy mine, or anyone else's phone so I may ask to have it closed.
good reference link though @saboture
sent via tapatalk - sph-l900

cuezaireekaa said:
Good warning folks. Like I said, ive only tested this for a couple days so I'm glad your warnings are close to the op. I will edit it to stress the voltage warnings. Thanks! I haven't noticed heat that's why I've kept it. Will def watch it now. But I thought 2000 was equivalent to 2 amps which I thought our phone charged at originally. Obviously I don't have that much knowledge of electrical.. Better I learned from folks like you guys before I burned my face off lol
... unless the warning only pertains to USB charging. That I was weary of.. But nevertheless... Does make sense that it would wear the battery out though if it was too much that the phone can handle.
Was I the only one experiencing400? That is so low!! my phone was dying while texting and charging.. not right . never did that pre 4.3
sent via tapatalk - sph-l900
Click to expand...
Click to collapse
Define "originally"
For who knows what reason, the Note 2 and other Sammy device ship with a 2000mAh 5V rated charger brick...but the TWiz software gimps the charger by throttling it way back to only 500mAh. Which is just downright stupid moronic. People on Note3 are amazed by how fast it charges, because Sammy has removed the software limiter in the stock ROM, and now the 2A charger actually charges closer to something resembling the charger rating.
As far as wearing out your battery, all rechargeable batteries wear out after a certain number of charge/discharge cycles. So long as heat doesn't become to high it isn't a worry. I've been using 1200mAh+ saoftware charging since kernels came out that allowed it. Still on my original battery.
Now regarding slow charging, another culprit that can do this is a crapped out USB cable. Try a different known good USB cable.

Skripka said:
Define "originally"
For who knows what reason, the Note 2 and other Sammy device ship with a 2000mAh 5V rated charger brick...but the TWiz software gimps the charger by throttling it way back to only 500mAh. Which is just downright stupid moronic. People on Note3 are amazed by how fast it charges, because Sammy has removed the software limiter in the stock ROM, and now the 2A charger actually charges closer to something resembling the charger rating.
As far as wearing out your battery, all rechargeable batteries wear out after a certain number of charge/discharge cycles. So long as heat doesn't become to high it isn't a worry. I've been using 1200mAh+ saoftware charging since kernels came out that allowed it. Still on my original battery.
Now regarding slow charging, another culprit that can do this is a crapped out USB cable. Try a different known good USB cable.
Click to expand...
Click to collapse
well i thought it charged at 1800-2000 originally on TW Stock. but testing now, its fluctuates around 400 to 700 on stock tw. but 1686 is the 'max' listed on that app. my 4.3 aosp roms were just staying at 400 and 400 was max prior to me using this tweak through the kernel. but is was very noticeable that i was charging slower than normal. will try a new cable today. thanks for your input.

Thread closed at OP request

Charging Troblems

Samsung Galaxy tab 3 7" SM-T210R. Recently my tablet has been having problems charging. Like when I plug it it it takes forever to charge. Before I could use it and it would also charge. Now when I charge it and use it, it stays at the percentage it was at when it began charging. Sometimes when I unplug it, it'll be lower than before. When I put it on charge over night (6hours) it'll get to 100%. I'm still using the original charger that came with the tablet. Any help would be thanked.
Sent from my SM-T210R using XDA-FORUM, powered by appyet.com

deltonb44 said:
Samsung Galaxy tab 3 7" SM-T210R. Recently my tablet has been having problems charging. Like when I plug it it it takes forever to charge. Before I could use it and it would also charge. Now when I charge it and use it, it stays at the percentage it was at when it began charging. Sometimes when I unplug it, it'll be lower than before. When I put it on charge over night (6hours) it'll get to 100%. I'm still using the original charger that came with the tablet. Any help would be thanked.
Sent from my SM-T210R using XDA-FORUM, powered by appyet.com
Click to expand...
Click to collapse
Me too

Exactly have the same problem, I'd like to ask first, are you rooted? What rom are you using? Because that could be the issue, I'm rooted and I'm using nolekat rom. It takes me 10 hrs or more to fully charge and it drains half the time fast. The percentage on the battery jumps higher then goes lower and it decreases while I'm charging and using it and I'm not doing anything heavy. I already tried using the battery calibration app which most people recommend to troubleshoot first, it didn't work for me. I suggest that you try calibrating first and if it doesn't work, reflash your current rom if you're rooted, if you aren't, it could be your charger and I also know my charger isn't faulty. Last thing I'll suggest is try manually removing your battery for 5mins then put it back in. I haven't tried that yet, I need the tools still. Hope this helps and let me know what you've done.
Sent from my SM-T210 using XDA Free mobile app

I had a similar problem... Used the Battery Doctor app to figure out that some components were running all the time..
Just reflashed it with same rom and problem is now gone.

rajmisc said:
I had a similar problem... Used the Battery Doctor app to figure out that some components were running all the time..
Just reflashed it with same rom and problem is now gone.
Click to expand...
Click to collapse
thank you very much. installing the battery doctor app does in fact help it charge faster!

steelbrachen said:
Exactly have the same problem, I'd like to ask first, are you rooted? What rom are you using? Because that could be the issue, I'm rooted and I'm using nolekat rom. It takes me 10 hrs or more to fully charge and it drains half the time fast. The percentage on the battery jumps higher then goes lower and it decreases while I'm charging and using it and I'm not doing anything heavy. I already tried using the battery calibration app which most people recommend to troubleshoot first, it didn't work for me. I suggest that you try calibrating first and if it doesn't work, reflash your current rom if you're rooted, if you aren't, it could be your charger and I also know my charger isn't faulty. Last thing I'll suggest is try manually removing your battery for 5mins then put it back in. I haven't tried that yet, I need the tools still. Hope this helps and let me know what you've done.
Sent from my SM-T210 using XDA Free mobile app
Click to expand...
Click to collapse
thanks for the advice. I recently removed the rom i was running. it helped Thank you very much. I also removed my battery by opening my device with the back end of a knife it you do it gently it really doesnt scratch your device plus if you have a case/skin you can't see the part where you wedge the knife. Thank you !

Did you all get a Refurbished tab? I ask because I was just about to get one.... But not if they all have battery trouble.

Tquarter said:
Did you all get a Refurbished tab? I ask because I was just about to get one.... But not if they all have battery trouble.
Click to expand...
Click to collapse
mines brand new out of the box. The charging problem came with the custom rom somehow

calibrate it
Download q battery calibrator from google play let it charge to 100 then calibrate it

Replacement Note 7 Faulty Battery!?

http://www.androidheadlines.com/201...rs.html?utm_source=dlvr.it&utm_medium=twitter
I've been experiencing these problems with my replacement Note 7. I'm losing charge when I use the phone while Fast charging?

Mayze23 said:
http://www.androidheadlines.com/201...rs.html?utm_source=dlvr.it&utm_medium=twitter
I've been experiencing these problems with my replacement Note 7. I'm losing charge when I use the phone while Fast charging?
Click to expand...
Click to collapse
I haven't seen those issues yet. I have used two different fast chargers and a fast charging power pack. None of which are Samsung branded and all of which show the fast charging toast/lock screen messages.
Perhaps you should swap out that phone and do some testing on another replacement?
Sent from my SM-N930V using Tapatalk

Interesting; at least I know I'm not crazy now. My replacement phone was losing charge while plugged in last night. I never had that issue on the original one. If I have to swap out again, I'll be less than happy.

Mayze23 said:
http://www.androidheadlines.com/201...rs.html?utm_source=dlvr.it&utm_medium=twitter
I've been experiencing these problems with my replacement Note 7. I'm losing charge when I use the phone while Fast charging?
Click to expand...
Click to collapse
I had this exact thing happen to me. It got up to 104F and fast charging was not keeping up with it. After about the first two hours of heavy processing, downloading apps, etc, it cooled off and charged right up.
Not one issue since this, actually charges VERY fast (23% to full in about an hour and stayed cool) and has not gone above 92F, even with heavy use.