Database Info

Extended Battery

I get about two extra hours with this battery than the oem, if you are a lighter user you can get even more.
http://cgi.ebay.com/1600mAh-Extende..._Accessories?hash=item33565de06f#ht_500wt_956

How long have you had it and no issues? Some of these third party batteries can be flafy and this seems awfull cheao.I am interested to hear your experience.

I've had it maybe 2 weeks now and I don' t take it out still waiting on my external charger from hong kong. It really works great and for 17 bucks if it lasts me 2 months I'll be happy but this particular seller has had no complaints about her batteries so I would give it a .

Yes I went to her listing and saw the high rating thx for the tip and you may want to go here.I bot a car charger cover and cable for $8http://www.amazon.com/Premium-Black-Silicone-Charger-Imagio/dp/B002S4T1OW/ref=sr_1_9?ie=UTF8&s=wireless&qid=1257705205&sr=8-9
They had a package with all 3 items awhile ago.S/h was about $3 and i got in 8-9 days.Good seller you can see feedback I left.

Sweeny Russ said:
I get about two extra hours with this battery than the oem, if you are a lighter user you can get even more.
http://cgi.ebay.com/1600mAh-Extende..._Accessories?hash=item33565de06f#ht_500wt_956
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Click to collapse
How many hours did you get with the stock 1500 mAh battery?

Good find.
I'm guessing this battery is compatible with the Imagio? I don't see it listed under compatability.

Definitely compatible, It is 8:30 in the am I charged it the night before last I have 32 percent battery left currently. Now yesterday was a lighter than normal phone usage day for me but I made calls and checked email all day. The oem battery lasts me from about 8 in the morning till about 7 in the evening which is my normal usage which I consider heavy. I email, call, text, and scan documents with it all day long. I would say the rhodium 1600mah battery would get me to about 9-930 before needing to put it on the charger or replacing the battery. With two batteries you can't go wrong. If you are dying in the afternoon to early evening don't expect this battery to last you till midnight because that's unrealistic. Stock this phone has several applications that access the internet and cell phone towers constantly so if you consider what it is done the battery life is quite good, especially compared to my fiance's droid.

randcool said:
Yes I went to her listing and saw the high rating thx for the tip and you may want to go here.I bot a car charger cover and cable for $8http://www.amazon.com/Premium-Black-Silicone-Charger-Imagio/dp/B002S4T1OW/ref=sr_1_9?ie=UTF8&s=wireless&qid=1257705205&sr=8-9
They had a package with all 3 items awhile ago.S/h was about $3 and i got in 8-9 days.Good seller you can see feedback I left.
Click to expand...
Click to collapse
This is what I use because I can charge my phone, mp3 player, bluetooth headset and my battery operated lighter (don't ask was a gift) and never have to pull it in and out of the socket. You can plug a unpowered usb hub and charge several at once. And then you always have your data cable on you.
DISCLAIMER I am not responsible for anything that happens to your vehicle or devices. Use this information at your own risk!​

Sweeny Russ said:
Definitely compatible..
Click to expand...
Click to collapse
Thanks, good to know.
Just ordered one.

I for some reason only go for original battery and this one is original extended battery with extended cover for imagio.
http://shop.htcpedia.com/index.php?dispatch=products.view&product_id=194

Battery died....replacement ideas...

I've just joined the dead battery club with my 6800 tab..
won't charge at all.even stock charger no icon nothing....
been on charge all night and have tried numerous things no response.
haven't bricked it went flashing anything just have been busy
Lately haven't used it and must have drained flat.have read before
once they get flat they won't charge as need a small amount of power
From battery to activate charging circuits.
What's the best battery to put into it? Stock one on ebay for 24 usd
Just thought I would ask but is there a bigger capacity one that would fit?
Anybody done this before just looking for ideas..
i will take the battery out and try charging it with a 3.8v mobile
Charger or camera charger by using some wires if any success will
Post up if works...thinking got to put small charge into it then can use wall
Charger.

Well ordered a new battery from eBay 28 bucks delivered...
Just decided to open it up and play with it tonight and got it charging now with the old battery.will let it charge for ages before turn on.new battery still in mail.
Got it working by unplugging the battery for a while and reconnecting to wall charger.note before doing this it would not charge no matter what I used..eg 2 amps etc
Not sure why it works but read it somewhere and worked for me too.

Tab seems to work sometimes and charges ok with old battery then later i turn it on and nothing..
wont wake up even with wall charger plugged in.never had problems with deep sleep before,
maybe a couple of roms ages ago but the one im currently using hasnt done it before and been
using it for ages.im guessing its the battery playing up.anyway got my new one in mail today
and then tab wouldnt start again and i know its not that flat.I decided to change the battery and are
charging now will leave it on charge for ages till full before turning it on.
Do i have to now delete the battery stats?
thanks..

My P6800 is also dead. Won't charge, whatever plug I try
Just ordered a replacement battery + tools for opening the device. Hopefully that will fix things.

I had very similar problems to MRBR7. I was about to order a new battery, but they were over $60 on ebay at the time. I ended up just buying a new tablet - a Nexus 7 2013 - rather than putting money into the old one.
However, I decided to experiment with the GT 7.7, so I took it apart, popped out the battery and hooked it up to a specialized charger than I have to remote control cars/planes/copters. The charger "conditions" LiPo batteries - discharging them and then balanced charging them back up. That worked. After the special charger did its thing I put the battery back in the GT 7.7 and it was happy.
Since then, though, I've had several mysterious and spontaneous reboots. I'm thinking of putting the stock ROM back on it to see if that will stabilize it.
Another weird issue is that the tablet doesn't seem to track how much battery power is left very well. It can drop 10-20% in a few minutes. I know it's not really dropping, but it is certainly weird. Now that the batteries are cheaper on ebay I may order one and replace it.
Edit: Update:
I did put the stock ICS back on my 7.7. It has been behaving nicely since then. No crashes. No reboots. No funny battery behavior. So I think I'll just leave it like that. Putting Nova Launcher on it meets most of my needs for customization, so I'm happy with it.

My tab is dead again. Don't know what happened. I'll try disconnecting the battery from the tab and connect it again, and then try to charge it. It won't charge now what ever charger I try.
If it doesn't work, I might go for the nexus 9
Sent from my LG-D802 using Tapatalk

vikdal said:
My tab is dead again. Don't know what happened. I'll try disconnecting the battery from the tab and connect it again, and then try to charge it. It won't charge now what ever charger I try.
If it doesn't work, I might go for the nexus 9
Sent from my LG-D802 using Tapatalk
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Click to collapse
I have a new battery that I am about to put on eBay, but it probably depends on where you are located as to whether it is worth your while. I am in the UK.

rebski said:
I have a new battery that I am about to put on eBay, but it probably depends on where you are located as to whether it is worth your while. I am in the UK.
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Click to collapse
I live in Norway, so that's doable. The one I ordered on eBay took around 5 weeks to arrive...
That being said, I don't know if I will invest more in this tablet if it just keeps on destroying batteries. If I get it back up and running again I might try the stock ROM to check for battery drain.
Sent from my LG-D802 using Tapatalk

My tab is back from the dead (again). All it needed was a little bit of power-love from the original ac adapter. Still using the replacement battery.
I've flashed it with cm11 and it runs great.
Sent from my LG-D802 using Tapatalk

Dear all,
My 7.7 battery was dead, too. Ordered the battery replacement online but not able to open the case to replace the battery.
Tried to use the use the prying tool, pry the silver binding from around tablet from glass edge but still cannot open it even the plastic prying tool was broken.:crying:
Is there any tips or guide that can share,please?
Thanks so much

Nexus 5 Battery Replacement

Is there a trusted source for this? I can't buy it from LG or google...but would like to replace my Nexus 5 battery. I'm charging the phone like 3-4 times/day.

search xda-devs
gvayl said:
Is there a trusted source for this? I can't buy it from LG or google...but would like to replace my Nexus 5 battery. I'm charging the phone like 3-4 times/day.
Click to expand...
Click to collapse
You can find all the proper LG part numbers in the D820 service manual, plus, it has the proper steps to dis-assemble the Nexus 5 so you don't break anything.
EAC62078701 is the part number to search for.
Read the last 20 or so pages for part numbers and di-assembly instructions(with color pictures!).
http://forum.xda-developers.com/google-nexus-5/general/service-manual-d821-t2791303

This is where i order mine before few days
http://www.amazon.co.uk/gp/aw/d/B00MEURADO/ref=mp_s_a_1_1?qid=1419814355&sr=8-1&pi=AC_SX110_SY165
I contact the sellers and he assure me that their supply is directly from lg service.

Hi,
I have two questions...is there a trusted US reseller of the genuine LG battery. The one above is from the UK.
Also...I attached the GSAM captures...does this look normal for nexus 5? My battery is being drained very quickly lately. Maybe I need to do a factory reset?

gvayl said:
Hi,
I have two questions...is there a trusted US reseller of the genuine LG battery. The one above is from the UK.
Also...I attached the GSAM captures...does this look normal for nexus 5? My battery is being drained very quickly lately. Maybe I need to do a factory reset?
Click to expand...
Click to collapse
2 hours screen on, half battery used? Yeah could be normal. Hard to say really.

Me too.....
I am looking for this, too. My battery is really messed up. I've tried recalibrating, factory reset, different ROMs, complete stock, etc. I'm getting 3 hrs. TOTAL before having to charge and it'll hit 25% and die almost immediately after that. I power back on and I'm at 3% (!). I'm trying the Zerolemon battery case to see if that gets me through the next few months until I can possibly upgrade or get another Nexus 5.

Excellent
kojoti2 said:
This is where i order mine before few days
http://www.amazon.co.uk/gp/aw/d/B00MEURADO/ref=mp_s_a_1_1?qid=1419814355&sr=8-1&pi=AC_SX110_SY165
I contact the sellers and he assure me that their supply is directly from lg service.
Click to expand...
Click to collapse
I've spent the past few days looking for a genuine battery (in the UK). I've actually spent about 2 weeks swapping ROM's around from 4.4 to 5.0.1. Turns out Lollipop is some of my problem but even on 4.4 I'm getting pretty bad life.
All the other batteries I could find were about half the price but the reviews said they were fakes. I'll try this one.

OEM battery is only about $10 or $15, so price alone won't tell you if it's genuine or not.

bblzd said:
OEM battery is only about $10 or $15, so price alone won't tell you if it's genuine or not.
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Click to collapse
I can't argue with that!
When I searched on amazon.co.uk for OEM Nexus 5 battery, I found a few for only about £10 but the reivews made it clear that they were not really LG batteries. I couldn't find the link that the poster gave (probably because it doesn't have OEM in it). I've no reason to believe it is more genuine other than the poster contacted them and they assured him. So I ordered it and it looks very genuine so far - some that are sold as OEM don't even have "LG" written on them!
I'll install it soon and see if my battery life improves and come back here and also write an amazon review - it's the only way for people to see what's good or not.

PeterSmithson said:
I can't argue with that!
When I searched on amazon.co.uk for OEM Nexus 5 battery, I found a few for only about £10 but the reivews made it clear that they were not really LG batteries. I couldn't find the link that the poster gave (probably because it doesn't have OEM in it). I've no reason to believe it is more genuine other than the poster contacted them and they assured him. So I ordered it and it looks very genuine so far - some that are sold as OEM don't even have "LG" written on them!
I'll install it soon and see if my battery life improves and come back here and also write an amazon review - it's the only way for people to see what's good or not.
Click to expand...
Click to collapse
Resellers will then mark those up to whatever price they want so it's really a crap shoot out there. Best of luck with your replacement and let us know the results.

I would like to ask all the people on this forum that have replaces their battery in the Nexus 5 to post some of their impressions about the "new" battery, this thread looks like the perfect place to do this.
I will start:
- I had to replace my battery because it became very bloated/swollen, so much that on one side the back case was lifted 1 mm, and
the phone felt a little bit heavier. Also the battery would not last even an hour, the phone closing on it's own with the battery showing 50-70 %,
and after reset showing <10%, then it would magically charge itself back to 50%
- So I bought a new one from ebay: "http://www.ebay.com/itm/361075010454", the guy had positive reviews and many people got this item
- It arrived in perfect state, at least visually, it had part number "EAC62078701" like all the replacement batteries online, the seller assured me it was original and new from LG. Proof that it was new could be that the connector ribbon was straight and not folded in any way, so it could not have been used in a phone before. The inscriptions on it seemed original, but when I scanned the barcode from the lower-left side it decoded a different date
than the one written on it over the P/N, so no match, but what does this mean ?
- I put it into the phone and now it acts "normally", meaning that it goes from 100% all the way to 0% without the phone closing itself
- Charging also seems normal, taking about 2,5 hours to fully charge with the LG WCP-300 wireless charger
- But this is were the problems start, with the new battery I cannot get more than 2 - 2,5 hours of SOT no matter what I do. I've tried 4.4.4, L preview, 5.0, 5.0.1, even cm11, with full wipes and no restores, but it's the same, as soon as the screen in on, the battery drains like crazy, I lose 15% battery in 10 minutes of playing Temple Run 2, which is not even such a demanding game. Totally unacceptable, when the phone was new, I used to get 4-5 hours of SOT, now I don't even get half that.
This is why I'd like to get other people's impressions about a replacement battery.
Maybe this replacement battery is bad, I but I don't want to get another one without proof that other replacement batteries can get 4 hours of SOT with stock Lollipop.
Thank you.

andreipaval said:
This is why I'd like to get other people's impressions about a replacement battery.
Maybe this replacement battery is bad, I but I don't want to get another one without proof that other replacement batteries can get 4 hours of SOT with stock Lollipop.
Thank you.
Click to expand...
Click to collapse
With all bells and whistles I get 3- 3.5h SOT . LTE at all times , location on , brightness around 15%. 4 to 5h on 3g with location off and no music.
The only way to be sure if it's the battery is to either compare it with another battery in your phone or do a controlled discharge .
That would involve taking it out , wiring it to a constant current sink and timing how long it takes until it reaches cut-off voltage. Since either buying a current sink or building one will cost you more than 15 bucks I'd say just look for another battery if you really hate the current SOT .

Best of luck!!! Had the same issue a few days ago when I plugged my N5 to the charger of my sisters tablet, which is obviously one of those cheap Made in China tablets,
and the voltage totally killed the battery in my phone, so didnt really feel like those sellers where worth my trust, so went to FB and got in the N5 fan page of my country, so there was a guy who had one with a broken screen and was nice enough to sell me his battery, this is basically your best shot, asking around if you REEEEAAALLY want a original one, since LG dont sell them to the public

Temperature of replacement Nexus 5 battery
Hi,
Sorry to bother you, but could you tell me if your replacement Nexus 5 battery has a varies temperature?
I mean if the temperature goes up to 35 Celsius when it's charging or you're playing games, of if it goes down to 25 when it's idle.
Because my replacement battery always stays at 29 degrees Celsius, no matter how I use the phone.
I think mine might be bad, but I want to check with someone else before buying another one.
Thanks.

Update - I replaced it a few days ago (using the amazon.co.uk link given previously) and it has solved my issues. I played a video in a loop on full brightness and got almost double what I had before. General usage seems much better too.
So why did I need a new one after just a year? I think my old one was damaged by overheating on cheap wireless charger. My new charger doesn't make the phone get so hot. I used the old one for about a year and lost about 50% capacity. I thought they must all do that so I didn't worry. I'm told heat can damage the battery.
The temperature is fine - about room temp unless I use it a lot.

It's normal - a battery loses about 30% of its capacity after 400 cycles.

Niflheimer said:
It's normal - a battery loses about 30% of its capacity after 400 cycles.
Click to expand...
Click to collapse
I guess you got that from something like "table 2" on this page -
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries
That's showing a 30% loss on 300-500 cycles assuming the battery was right down to 0%. I didn't know that.
However, I lost 50% and would not have been charging from 0% so it seems worse than average. The next paragraph on that page talks about degradation due to heat. That would explain why mine was so bad.
I'm still surprised though as I've had a few smart phones and never noticed even 30%. I had my Motorola Defy for 2 years as my main phone and then 2 years as a spare and it seemed fine. I suppose you don't notice a gradual loss so presumably I just wasn't noticing.

Not all batteries are made the same - my very old motorola (w388 , 10 years old) started out with around 7 days battery life . Now it only lasts about 3 days so ~60% loss.
My desire x lost around 30% capacity in 2 years - so around 900 charging cycles. My S3 on the other side ... capacity was down to 50% after 200 charging cycles. I've checked most of the with a controlled discharge on a current sink so it should be about 3% off .

So i finally replace my battery and miracle happen phone charge normally not in 40 minutes, there is no battery jump and fall during reboot, no enormous drain etc. So if you have issue as described above and changing roms, kernels and go back to kitkat didn't help change your battery.

Just got a battery from eBay... Looks authentic, but doesn't charge.. Just stays at 0%...
Probably will have to exchange... Is there a way to tell if an LG battery is authentic??
Edit: Well the seller has quickly refunded me and I didn't even have to send back the battery. Told him it wouldn't charge and is stuck at 0%.. He insisted he would just send out a new one, but I asked for a refund instead.
Already ordered a new one from etradesupply, should be here within a few days..

Battery

Hi there I'm looking to get an OEM Edge battery and just the battery itself. I'm having trouble finding a reliable source and don't want to buy some fake crap. I'm not looking for the $40 battery and charger thing from Samsung unless I can get it cheaper.
Sent from my SM-N915T using XDA Free mobile app

thats the only option you have. they just include the case with a built in charger to wall so you can carry it around and have it not be exposed to the elements. That your only choice or could call your local oem samsung tech center to see if they might just sell you the battery itself.

Or you could order the OEM battery by itself, from the bay for $24 including shipping.
http://www.ebay.com/itm/SAMSUNG-Gal...id=100005&rk=3&rkt=6&mehot=pp&sd=301530593812

*Omnipresent* said:
Or you could order the OEM battery by itself, from the bay for $24 including shipping.
http://www.ebay.com/itm/SAMSUNG-Gal...id=100005&rk=3&rkt=6&mehot=pp&sd=301530593812
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Click to collapse
How can you be sure that is real?

I'd like to know too...

For critical accessories like batteries,it's best to buy it from a Samsung store or Service Center directly with the guarantee bill. I've had my fair share of cheap $4 batteries that swelled up and had barely half the juice within 3 months. A good OEM battery will last you easily a year.
I got from here
http://www.handtec.co.uk/samsung-galaxy-note-edge-battery-eb-bn915bbegww.html

Thank you for the link. I just ordered a battery from this store

The above links are not working. Can somebody share a new source, where i can buy a new genuine battery?

anyone using this brand ? http://www.nohon.hk/en/product/view/id-189.html

I asked local Samsung service where warranty repairs are made and there is the cheapest place.. Cheaper then any webshop i found.. About 20 USD in local currency..

Note Edge Extended Battery and Wireless Charging Setup
Hello everyone,
I use an extended battery (5450mAh) setup complete with wireless charging and works with the factory cover!!! I typically have 35% remaining after being out 8-10 hours with no charger and moderate use.
Once I get 10 posts I will link the gear I am using but if you would like to PM me I will gladly send it ahead of time.

Or if ya want a battery the same size of the original OEM battery, I'd say with a Beltron from eBay it's only 10 or so bucks and a 3000mah, my oem batt has the defect where the phone shuts off completely at 10% o matter what version of android or rom I'm on, this one hangs on and last forever at 1% and there's no false claims of a bigger size, I'd probably even say it's better than the oem one... http://www.ebay.com/itm/251842830321 had it for a year and a half and it's stayed true to it's claimed size and life giving me no problems!
Also I'd say this is a must I'm happy with it: http://www.ebay.com/itm/172341339549 it charged my 9000mah ZeroLemon perfectly fine from late yesterday afternoon to this morning and half the price of the official oem samsung version of the samsung and great life saver when ya have multiple batteries.
I'm going to get this Qualcomm Quick Charge 3.0 24W USB Adapter and see how it does for giving me a faster charging rate: http://www.ebay.com/itm/301913439056 rn for some dumb reason my phone hates low powered chargers and it won't even trickle charge on one overnight I'll just wake up to a dead battery the next morning unless I turn my phone off completely, this happens on KK, LP and MM. >_<!

Here's what I'm using - https://www.youtube.com/watch?v=i70xqUNoYVE

will the note 4 battery work on the note edge? Or are there diffrent? Can i use it, or is it not good for the phone?
Thanks.

I got the original samsung battery from ebay for us14 and all my battery issues went away.
this is the link from where i bought it:
http://www.ebay.com/itm/371721173424?_trksid=p2060353.m2749.l2649&ssPageName=STRK:MEBIDX:IT

mine nohon battery finally came in the mail , testing it atm , if it does not solved the auto shut off , i would be pissed , seem to dont come with nfc , doesnt matter to me thou.

Aimara said:
mine nohon battery finally came in the mail , testing it atm , if it does not solved the auto shut off , i would be pissed , seem to dont come with nfc , doesnt matter to me thou.
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Keep us updated. Could you post what is the voltage shown on the battery label?

zeeshanonlyme said:
Keep us updated. Could you post what is the voltage shown on the battery label?
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Type: Li-Ion
Model:SAM N9150
Output Voltage: 3.85V
Charging voltage limit: 4.4V
Capacity: 3000mAh 11.6Wh
Battery Size:92.3*40*5.4mm
Packing Size:L200*D100*W12mm
hmm just notice mine previous note edge battery doesnt have manufacture date printed on ? does oem note edge samsung battery now doesnt come with manufacture date ?

zeeshanonlyme said:
Keep us updated. Could you post what is the voltage shown on the battery label?
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Click to collapse
nothing fantastic so far , for 12 usd cant complain much , but so far so good as least it still standby at 9 % , now left the test of age of time ,lol

Mobymemory
OreBoySwaggin said:
Hi there I'm looking to get an OEM Edge battery and just the battery itself. I'm having trouble finding a reliable source and don't want to buy some fake crap. I'm not looking for the $40 battery and charger thing from Samsung unless I can get it cheaper.
Sent from my SM-N915T using XDA Free mobile app
Click to expand...
Click to collapse
MobyMemory - Shopping Cart
https://mobymemory.com/uk/checkout/cart/ these are official ones made in Korea or Japan.. work great for me. Im not sure if it's an international site or just UK.

MI4C Battery Replacement: Where to buy?

Hello there I think my battery is damaged, becouse my phone switches off with 5-15% left (so i do calibrate, but doesnt help) and when I charge it, the charging starts from 14% instead of with 0.
So I decided to replace my battery. I know that I have to the BM-35 But where can i buy and get really a original?
I found this some on ebay and aliexpress, but i am not allowed to post here....
For exeample i found one on aliexpress with a cooling copper, is that usefull?
Thanks in advance for your Help.

Only on dragon-tt I've found original parts of xiaomi phones...
Sent from my Mi-4c using Tapatalk

Hello, I have exactly same problem! Same percentage, turns off at ~13-15%, then if I plug to charge it shows 14% everytime! I would also know if it's battery or something more related. I'm using mi4c for ~7 months now. Glad i'm not alone with this problem.

Which Rom?
Which Rom you use and do have only use your quickcharger (the original)?
Edit: I ask about the charger, because i read in anohter forum, that the quickcharge isnt good for the battery lifetime. I have the phone for more than a year and use the quickcharger only for every third or fourh charging. Do you use everytime?

asurus said:
Which Rom you use and do have only use your quickcharger (the original)?
Edit: I ask about the charger, because i read in anohter forum, that the quickcharge isnt good for the battery lifetime. I have the phone for more than a year and use the quickcharger only for every third or fourh charging. Do you use everytime?
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Click to collapse
Yes, used original quick charger, and USB. Using Ressurection Remix 5.8.0 (7.1 Nougat), but was getting problem with MIUI too, but shut down at 7%, and start charging at 21%, i think it may be software problem.

I'm not sure whether it is a software problem. I have for last month the rom from team superluminal ( cm-12.1-20160617 ) and have never battery problems - only since the last 2 weeks. So i updated to the rom cm-13.1-20161231 (also superluminal) and the first round with a full battery works fine, no switch off at a low battery level. I work on the phone until it has only 3 percent and then i charged it. Maybe you try this rom? Nevertheless i think isn't a software problem. Because I read this at the forum from superluminal (sry i am not allowed to link here) - posted by morphic:
IMO using quick charger w/ mi4c it will destroy your battery even more, because it seems to get too hot while charging. High temperatures are known to cause damage for battery internal chemistry..
I have also noticed that using normal “slow” charger will make mi4c battery percentage to behave more sane.
Click to expand...
Click to collapse
Sooner or later i will buy a new battery

asurus said:
I'm not sure whether it is a software problem. I have for last month the rom from team superluminal ( cm-12.1-20160617 ) and have never battery problems - only since the last 2 weeks. So i updated to the rom cm-13.1-20161231 (also superluminal) and the first round with a full battery works fine, no switch off at a low battery level. I work on the phone until it has only 3 percent and i charged it. Maybe you try this rom? Nevertheless i think isn't a software problem. Because I read this at the forum from superluminal (sry i am not allowed to link here) - posted by morphic:
Sooner or later i will buy a new battery
Click to expand...
Click to collapse
Used this rom. I think the same, I'm going to buy battery and try to keep it cool while charging. If you know some cheap websites for Europe, thank you!

I have orded from aliexpress, you can find some between 10 -15 Euro. Or ebay, there is a trader from spain and want about 20 Euro.

asurus said:
I have orded from aliexpress, you can find some between 10 -15 Euro. Or ebay, there is a trader from spain and want about 20 Euro.
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Click to collapse
I think I would go for ali, i can wait 2-3 weeks for me, no big deal, I have power bank, but annoying, that it just shut's off. Thanks! Glad we are not alone with the same problem

itsignas said:
I think I would go for ali, i can wait 2-3 weeks for me, no big deal, I have power bank, but annoying, that it just shut's off. Thanks! Glad we are not alone with the same problem
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is that original battery?

IcyGlacial said:
is that original battery?
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I don't know if ali has leggit batteries, but look fine

IcyGlacial said:
is that original battery?
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100 percent sure you could never I remember a case about fake samsung battery - selled from amazon.

Tried to get a replacement battery from the biggest seller of them on aliexpress. Got stopped twice at custom x-ray with post nl . Was getting it shipped to Ireland. Seller is refunding me and told me it was getting very hard to ship batteries at the moment.

asurus said:
100 percent sure you could never I remember a case about fake samsung battery - selled from amazon.
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Not like Xiaomi uses top bin batteries in the first place. They wouldn't bother faking the bottom bin batteries Xiaomi uses.

there are no original ones as spare parts to buy. just replacements
I've bought one off aliexpress from a seller with biggest positive feedback for BM35 batteries as my original was switching off at about 30%, used for about three months, but it's not very good now - it doesn't hold charge very well and I have had random shutdowns at about 20%, too.
Last weekend I've got annoyed and put my old original BM35 back and the phone holding significantly longer with similar patterns of usage. Unfortunately still getting shutdowns at ~15-20%. Also there are rumours claiming that avoiding QC chargers "cures" the battery in mi4c. So, if you're getting shutdowns at 5-15%, don't even bother spending 10$ for a non-original one, try slow charging first.

adamuadamu said:
Also there are rumours claiming that avoiding QC chargers "cures" the battery in mi4c. So, if you're getting shutdowns at 5-15%, don't even bother spending 10$ for a non-original one, try slow charging first.
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Slow charging, works for me

asurus said:
Slow charging, works for me
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could you tell us what kind of charger do you use? what power, ie. how many amperes?

I use two different Samsung Charger with: 1) 5Volt / 1A 2) 5Volt / 2A

I have the same problem where my device shut down early before 0%, and it happen to all custom rom i used, but i think the problem has gone now, i did clear all the chace and dalvik/ART, reboot the phone, charge untill 100% and calibrate with battery calibration.
I'm on RR 5.8.0 latest build.

Just got the battery the poster is talking about, with a copper patch. its from a batch marked with the year 2014. The S/N is covered with the copper patch.
the battery cover plastic seems a bit scratched, like its a used battery.
I will replace the battery in the next couple of days and let you know.
For the mean time I got it for 11.5$, now its 14.5$