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Battery not lasting as long as it used to?–SOLUTION
I’ve had my phone for a few months and I’ve always got at least 48hours of use and as much as 200hours while on vacation before needing to recharge. The last few weeks I’ve been getting less than half that. I’ve read that using a non standard charger that has a higher output overheats the battery causing degradation, and had feared that now I’d have to replace the battery which was quite disappointing since I’ve only had the phone a short while.
I’ve had many previous phones that have had their batteries last years without noticeable loss of capacity.
So I decided to run down the battery and do a “refresh” and kill the battery completely till the phone wouldn’t turn on. Then I charged it using the same non-standard charger which is an old blackberry one since I’ve misplaced my OEM one. I left the phone off and charged it up which took less than two hours before the green LED came one and read fully charged. I then turned on the phone and found that in fact it was only 66% charged, so I proceeded to charge it fully.
Well it worked! Previously I was losing as much as 20% overnight. After a few days its back working like new and only losing 2% on average whiling idling over night.
I’m not sure why the mini is so susceptible to battery memory, especially since one of the highlights of lithium batteries is their ability to be charged at anytime without memory effect.
I don’t think this is just memory issue, but possibly a software and hardware calibration issue. Where the phone feels the battery is fully charged while the battery hasn't reached full capacity.
A good way to discharge the battery is a 12V car bulb. Worked like a charm for me.
Thanks for sharing the tips.
I should try it on my mini pro.
Sent from my U20i using XDA App
Hey all,
So, was over at the other half's house today. Before I left I asked her to stick my x10 into charge for a few mins. When I grabbed it on my way out I was surprised to see it was mostly charged, then I remembered she uses the wall charger while I normally USB. I understand the limitations of USB ports in charging, but it got me thinking.
Can charging the pack so quickly be good for the battery. I'm more up on my Ni-Mh cells than Li-ion but I would have thought that ~1hr charge cant be good in the long run? Where possible would it be better to slow charge via USB like I have been doing?
TIA,
Scratch.
personally, I have charged my phone overnight using the wall charger every night for almost 2 years and my battery appears to be fine. No temp spikes, no sudden drain
Sent from my A500 using XDA Premium HD app
battery drains
I nearly always charge mo phone overnight in a power socket aswell, only on a rare occasion i find the battery drains mega fast for no apparent reason. I just reboot, recharge and turn it on again... it is weird but that does the trick for me sometimes. no clue what causes the drainage, even tho its idle. got an app killer on aggressive so that should help, but i'm not sure its just the apps that drain battery.
As the title would suggest, my poor GS2 gets VERY hot when charging. Not all the time, but often.
If I charge from my PC's USB, it doesn't, but when I use a mains charger, it overheats.
When I finish my night shifts, my battery could be down to 20%, so when I go to bed, I plug in the phone, set it's alarm and pop it under my pillow, like I have done with every phone I've ever owned without issue. I wake up during the night and pull out the phone to check the time and almost leap out of bed because of how hot the device has become.
To make matters worse, it's discharged in battery power. This morning was the final straw, as when I checked the phone and it was red hot, it was also dead. I held down the power button and booted up the phone. It showed 15% battery left. I know people say that when it's charged, remove it from the charger, but it isn't practical. Besides, I've never had to do this on any other phone I've owned. This is unacceptable for me to rely on any more. Is this a common issue?
Or my fault because I have rooted the phone the tried custom roms/kernels/modems on it before?
X82X said:
As the title would suggest, my poor GS2 gets VERY hot when charging. Not all the time, but often.
If I charge from my PC's USB, it doesn't, but when I use a mains charger, it overheats.
When I finish my night shifts, my battery could be down to 20%, so when I go to bed, I plug in the phone, set it's alarm and pop it under my pillow, like I have done with every phone I've ever owned without issue. I wake up during the night and pull out the phone to check the time and almost leap out of bed because of how hot the device has become.
To make matters worse, it's discharged in battery power. This morning was the final straw, as when I checked the phone and it was red hot, it was also dead. I held down the power button and booted up the phone. It showed 15% battery left. I know people say that when it's charged, remove it from the charger, but it isn't practical. Besides, I've never had to do this on any other phone I've owned. This is unacceptable for me to rely on any more. Is this a common issue?
Or my fault because I have rooted the phone the tried custom roms/kernels/modems on it before?
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1) change to a diff kernel and see for the issue.
2) well charging from 10~20% to full 100% will lead to heat up the phone than charging from 50~60% to full 100% , hence also check for the same and see
Sun90 said:
1) change to a diff kernel and see for the issue.
2) well charging from 10~20% to full 10% will lead to heat up the phone than charging from 50~60% to full 100% , hence also check for the same and see
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I should have mentioned. This happens on any Rom and I've tried 4 kernels and still the same issue. Only thing I haven't tried, is going back to Samsung stock rom. Going to try that today, see if that solves it and report back.
Like Samsung told my wife "when it gets hot dial *#*#4636#*#* and note the battery temp".
Is it still under warranty
Sent from my GT-I9100
Well the PC's USB output would be limited to .5 A whereas your wall charger could provide 2 A. This might just be normal IMO, although I can't say that my phone gets ridiculously hot during charging. As others mentioned, I would check the battery temp.
The issue is already in his post and the solution as well.
1) The S2 has the tendacy to get hot. Its all very compact and there are no internal ventilators so the S2 dissipates heat to the rest of its body.
2) There is a Power difference between the charger and a USB cable. The charger gets hotter since it delivers power directly of a higher voltage and slightly higher amps then a usb port.
Your issue comes from one sole thing. Your bed. beds have very poor heat dissipating abilities, in fact, it has none. Considering no fresh air is delivered to your device, because it is stored under your pillow. Not to mention your pillow, the rest of your bed stop heat from leaving and it builds up. Ontop of that your heavy head is resting on it, pressing the pillow tight around the device.
in short, it has no way to relieve the heat. There is a simple solution of a non technical matter. Don't put the darn device under your pillow.
(the same counts to people that use there laptops on there beds pillow or covers without a proper cooling matt, before wondering why the hell there device shut down all of a sudden.)
The problem is you put your phone under your pillow. I made this mistake a few weeks ago and the phone was too hot but no problem when i charge it somewhere not under the pillow
I agree, I should stop doign that. But one question, if that's the case and the getting hot is normal, then why did the battery drop from 100% to 8% while plugged in?
Your cooking the battery, thats why.
i'll admit i charge my phone and leave it ON the bed so air still circulates but it did used to get hot. Not sure if any changes i've made such to things kernel, ROM, modem or undervolting has caused my change in temps but my phone never feels warm anytime day or night weather its on charge or not where as my partners phone (stock sgs2) does get hot using the same charging habits as myself
Sent from my GT-I9100 using xda premium
Another odd issue. If I mains charge my phone or connect it to my laptop(not PC the PC charging seems to not effect it) the phone lags. Menus take longer and it really struggles to register my touches on screen.
Sent from my GT-I9100 using xda app-developers app
X82X said:
Another odd issue. If I mains charge my phone or connect it to my laptop(not PC the PC charging seems to not effect it) the phone lags. Menus take longer and it really struggles to register my touches on screen.
Sent from my GT-I9100 using xda app-developers app
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For the AC charger this problem is known: if the charger is of poor quality it will generate too much 'noise' (ripple) which disturbs the electric field used by the touchscreen. However the original Samsung charger is of good quality and does not have this problem.
Experiencing these kind of problems when charging by a laptop USB port however is abnormal.
Interesting.
I bought an official Samsung charger off ebay, and it produces the same results. Much to my frustration.
Leaving it plugged in all night however was fine, I placed it on a shelf and the phone was actually cold when I woke up. I'm just worried the battery is ruined. It seems to drain quite quick.
X82X said:
Interesting.
I bought an official Samsung charger off ebay, and it produces the same results. Much to my frustration.
Leaving it plugged in all night however was fine, I placed it on a shelf and the phone was actually cold when I woke up. I'm just worried the battery is ruined. It seems to drain quite quick.
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Another problem i faced recently was the battery draining to fast, i was told to pull the battery out for atleast 3 mins, this lets the CPU etc cool off, since then i've had no problems at all and getting a good 12 hrs atleast on battery use
Sent from my GT-I9100 using xda premium
Received my WCP-700 wireless charger and twice I have put my phone on the charger and minutes later phone is rebooting and battery temp close to 50C. I have noticed others having similar problems with other phones so I suspect it is a problem with the technology.
Anyone else having problems with the wireless charger?
If it happens again I am ebaying, it may be convenient but at least my usb charger does not cause my phone to shutdown from overheating.
disc0rdian said:
Received my WCP-700 wireless charger and twice I have put my phone on the charger and minutes later phone is rebooting and battery temp close to 50C. I have noticed others having similar problems with other phones so I suspect it is a problem with the technology.
Anyone else having problems with the wireless charger?
If it happens again I am ebaying, it may be convenient but at least my usb charger does not cause my phone to shutdown from overheating.
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Did it again, no more wireless charging for me...
My WCP-700 isn't overheating my phone at all.
beddachedda said:
My WCP-700 isn't overheating my phone at all.
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I called up fazle and he says that his phone isnt as well. :bowdown:
I have the same one and mine doesnt overhead.
Surround electronics can mess with the charging and cause things to heat up. Also, make sure the cord isn't running parallel with charger. Check the manual to see what I mean.
Also the farther electricity has to travel, the hotter it gets. Try lining it up better.
I have zero trouble with my wireless charger, same LG wcp700 as you. And I've got a case on mine as well. You've definitely got something else going on.
Sent from a Home Depot toilet
disc0rdian said:
Received my WCP-700 wireless charger and twice I have put my phone on the charger and minutes later phone is rebooting and battery temp close to 50C. I have noticed others having similar problems with other phones so I suspect it is a problem with the technology.
Anyone else having problems with the wireless charger?
If it happens again I am ebaying, it may be convenient but at least my usb charger does not cause my phone to shutdown from overheating.
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Click to collapse
Mine doesn't do that either. My suggestion is to pull it off of the charger as soon as you're at 100% and don't put it on until you're below ~10%. Magnetic fields inducing current causes heat to be released in the wires and surfaces -- it's something you can't stop if it's happening. I'm sure HTC took (some of) all the necessary steps to lessen this, but it still happens.
Mazer_R said:
Mine doesn't do that either. My suggestion is to pull it off of the charger as soon as you're at 100% and don't put it on until you're below ~10%. Magnetic fields inducing current causes heat to be released in the wires and surfaces -- it's something you can't stop if it's happening. I'm sure HTC took (some of) all the necessary steps to lessen this, but it still happens.
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I wouldn't be making a habit of waiting until 10% to charge, you should get better battery life over the long term by charging before 30%
My phone becomes warm to the touch when charging, but not hot. I have left it on the charging pad while fully charged for hours and haven't had any issues with temperature.
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JTNiggle said:
I wouldn't be making a habit of waiting until 10% to charge, you should get better battery life over the long term by charging before 30%
My phone becomes warm to the touch when charging, but not hot. I have left it on the charging pad while fully charged for hours and haven't had any issues with temperature.
Sent from a Home Depot toilet
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I VERY much disagree with you -- all of the phone manuals etc. say to wait until the battery is dead until you charge. The higher the battery is when you charge the more detriment to the battery life. With modern batteries, however, it doesn't very much matter because they've been designed to be better about this and you won't get much more time out of your batteries by discharging completely before charging.
Mazer_R said:
I VERY much disagree with you -- all of the phone manuals etc. say to wait until the battery is dead until you charge. The higher the battery is when you charge the more detriment to the battery life. With modern batteries, however, it doesn't very much matter because they've been designed to be better about this and you won't get much more time out of your batteries by discharging completely before charging.
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There are varying views on this, but I was told never to let a LiPo get completely depleted. Beyond all of that, I feel heat is far worse for the battery. It looks like I am not the only one with problems with the tech, others are experiencing the heat issue:
http://forum.xda-developers.com/showthread.php?p=35060602
http://forum.xda-developers.com/showthread.php?p=30797296
mine gets hotter than just plugged into outlet but not too bad. not like fire lol
I was interested in seeing what my charge times were using the official charger and cable so using accubattery i checked the charge logs ranging from 10-40% to 100% and they were longer than what the guidelines stated. Phone did state that supercharging was active, had two thunderbolts on battery as well as the bubble animation (i wish this could stay on permanent )
When i bought the phone, charging from 20% to 100% took 1h 50m
and then in about a months time...
Charging from 10% to 100% took 2h 34m
Charging from 32% to 100% took 2h 11m
These were all with screen off, do not disturb turned on and wifi on. The charging time is not THAT big of a deal as i'm always charging it at night but i'd like to actually recieve the speeds that were promised. Using ampere i never saw the current surpassing 2000mah sub 10% (i don't expect it to supercharge as the battery is nearly getting to 100% in order to prolong the longevity of the battery) and they would fluctuate down to 600-700mah a lot of the time.
So i contacted huawei support and the advisor agreed that the charge times i told him were longer than they should be so i've sent my charger (along with the cable) for repair. It's currently at their repair centre so i've not had a diagnosis yet on what the problem is, it could be the phone having issues for all i know!
I wanted to know if anyone else has been keeping stats on their charge times and whether you are getting times similar to me or slower/faster, would be interested to hear!
Do you have the double lightning symbol? If not, turn off your charger for about a minute and try again?
lambstone said:
Do you have the double lightning symbol? If not, turn off your charger for about a minute and try again?
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Cmon man, it's one of first things I mentioned lol...
Sent from my CLT-L09 using Tapatalk
Difficult to say if there's any hardware issues, the repair centre will find it if there is one though.
Your charging times do seem a little high but its also difficult to compare a new phone to one that's been in use for a while, as there will be more apps running and drawing power etc than on a clean phone. Over 90% charge the charging rate will drop as you said, but that's not the only thing to affect it, temperature has a big impact...hotter charges slower.
Measuring mAh on the phone is therefore only a guide and shouldn't be used to prove slow charging etc. (e.g. if I have my satnav app, bluetooth & mobile data all on, then even using my supercharger, the charging rate shown by the phone sometimes drops to under 400mAh and even into negative figures if the phone is hot)
0% to 100% should be about 90mins in perfect conditions, but I'd be surprised if anyone got regularly near that sort of timing.
Got my charger back 2 days ago and today i deliberatly ran my battery down to 9% to see how charging would go. For the first time since recieving my charger back i've gotten a steady 4000mah. 9% to 72% (+2400mah) took 55m which is much better than the 2hours+ it took last time to get a +2600mah charge before. So yeah, if you're noticing similar speeds, contact huawei and see if you can send it in!
Mine charges from 18% to 100% in just an hour and 10 minutes.