yashsingh1/xdaforums huggingface dataset:
[ONE Accessories] Inkazzo:
I did find an easyer way you only need root access. If you open and edit this file "sys/class/power_supply/battery/capacity" and write in a value "50" (without ") for example the batteie gauge sticks always at 50%... This will help against too early shutdowns. I recommend to istall the APP "Voltige Notifier" and manually shut down whenn 3,5 Volt is exeeded or use Tasker with the settings from [MENTION=3729682]I_did_it_just_tmrrow[/MENTION] !

So no need for an Moded Kernel ;)

Update: im still getting about 3800mAh real usable capacity this equals to about 8 - 9 hours aof screen on time/SOT and 45-55 hours standby
[ONE Accessories] I_did_it_just_tmrrow:
I know that file and it is allready in my tasker-script. Tasker is cool and I was able to make a simple calculation with the current voltage. The problem was more a bit time to write it down for the other users.

But a target for all blp571-zte-modder should be a init.d script not a script for another app, running on the device.

And by the way: I have no idea how it is about the wake-locks. The script need to check the voltage and then write into the mentioned capacity system file.

Greetings by Idijt
[ONE Accessories] Messatsu:
+ No temperature sensor...
[ONE Accessories] poronporonpompiero:
Well, i expected more from the battery...

Maybe there's something wrong with the bms, but it's low anyway.

Anyone knows where to buy the opo bms?
[ONE Accessories] Inkazzo:
you cant buy an BMS only you will have to find an orgianl OPO battarie but these are rare, so i would recommend to use you BMS from your Orig batterie.but at first you will have to find a good lithium cell to put it on.

95% are fake....
[ONE Accessories] poronporonpompiero:
I was looking for a bms alone because i didn't want to ruin my original one, in case something went wrong with modding.

I'll try and buy the 4800 mAh one in aliexpress and mod that.
[ONE Accessories] hp13:
I ran this command and what does Status and Health represent?
[ONE Accessories] poronporonpompiero:
Update: today, when the battery reached 0%, the phone shut off, but after some time i turned on the phone (without charging It) and there was still 66% of juice. I restarted It because i knew that when It went from 100 to 0 quickly there would have been still some charge (this was not the first time).

Then the phone began shutting off randomly while i was using It, and not turning on again (after oneplus logo, Dead phone). % was 60-ish, so i removed the battery and put on the original one.

What was the culprit? Bms?
[ONE Accessories] Dward40:
5% battety ~ voltage ?

---------- Post added at 12:37 PM ---------- Previous post was at 11:56 AM ----------
[ONE Accessories] Mr.Ak:
This was with the 4800mah battery mod?
[ONE Accessories] poronporonpompiero:
It was with the zte battery i bought on ali (posted link some pages back) but not the 4800 one.
[ONE Accessories] hp13:
How much did it cost? I was thinking to do the same. But I bought this off Kijiji.. it should not be a problem right
[ONE Accessories] geokilla:
They quoted me around $25 I think.
[ONE Accessories] hp13:
Is that what you paid? I am trying to get mine replaced
[ONE Accessories] itechy:
anyone have an Idea as to how much an out of warranty repair would cost? The battery has just died in mine. Parts are around €14 according to OnePlus but I have no idea of labour...
[ONE Accessories] effry:
I asked them trough RMA. In Europe batteryreplacement for OPO is 70€ with pick up of your phone at home.
[ONE Accessories] itechy:
Well I sent it in and they found water damage (due to the water indicator above the charging port) even though the phone has never been submerged and they were going to charge me to replace pretty much the whole phone. So whats the best semi-legit battery so far. Going to get a local phone repair shop to do it as I don't have any of the tools at home :(
[ONE Accessories] fabiienb:
Hello, my battery is now a little tired I think.

where i can buy a real battery in EU?

Thanks for the answers guys
[ONE Accessories] Syaani:
From OnePlus. It might be a little expensive though.
[ONE Accessories] fabiienb:
Really? How I can do it?

Email?

Do you Know the price?

Thanks again for the answer.

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[ONE Accessories] Syaani:
Well, I only have heard that they sell spare batteries but now I actually checked their website. https://www.oneplus.com/fi/support/pricing#/detail/1

I have no idea if they want me to send phone to their repair service but battery seems to be only 15 euros.
[ONE Accessories] fabiienb:
Thanks I will see that.

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[ONE Accessories] effry:
i went trough my old emails and i made an error (sry about that). The correct price was 15.50€ for the battery + 17€ for the work + VAT (for italy was 22%).
[ONE Accessories] OPOt585:
Hi guys, I have been following this thread for a while but I still haven't understood which semi legit battery I should order since my battery is finally dying on me.

I am in Italy.

Should I hit the aliexpress lottery?

The phone is going great, no lag, no reboots but the battery can't last till evening anymore.

I would prefer not to mess with the battery but I can try... (boom! )
[ONE Accessories] fabiienb:
Same here for France, finally with oneplus you just can send your phone for repair it and it's like 45€ to change your battery...

That's not a good deal..

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[ONE Accessories] poronporonpompiero:
Finally the battery arrived (the 4800 mAh one), so i'm going to mod It today and see if it does its job.

Just to be sure of doing everything right, what tape should i pack it with?

The yellow one that comes with the battery?

Normal insulating tape?

Or paper tape?
[ONE Accessories] OPOt585:
yo dude, so is it legit?
[ONE Accessories] poronporonpompiero:
Well, everything works, but I think there's some kind of problem with the bms. When the battery goes from 100% to 0% it has still some juice in it, yet it is shown 0% unless you shut down the phone and wait.

Yesterday at 2 pm i did some testing and the charge meter showed 1413 mAh (from 0 to 100). At night, when there was 5% left, I turned off the phone and waited, then when I turned it on it showed 71% left. So those 1413 mAh were not really 100%.

This happened also with the other ZTE battery, so I think it's a bms problem because [MENTION=4447997]evronetwork[/MENTION] and [MENTION=8750216]Inkazzo[/MENTION] weren't affected from this and used the same batteries.
[ONE Accessories] jmax91:
Why don't you send your OPO to OnePlus service center? Seriously, it totally worth it and it's only ~€40 and 2 weeks without it.
[ONE Accessories] OPOt585:
Because it's a four years old phone, it can't live forever. I prefer to save for the inevitable new one I'll have to buy
[ONE Accessories] polaxis:
In my case it is not possible due to living in a country not supported by OnePlus (Switzerland).

Anyone got their battery replaced through the official OnePlus channels? How's the capacity and does it include a working temperature sensor?

OnePlus really seems to have a tight grip on their suppliers. No official back covers on AliExpress. Also no official batteries. Even with the top 5 sold OPO replacement batteries the lower rated feedback is devastating (and often well backed up with measurements / pictures).
[ONE Accessories] Ganapatya:
I bought CameronSino battery on eBay but Accubattery estimated 1800 mah (2-3 SOT hours) . Disappointed. Other people have had more luck with the same battery.
[ONE Accessories] fradbari:
Maybe can be better after some charge

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[ONE Accessories] Ganapatya:
I had done many charges cycles. Not improvement.
[ONE Accessories] OPOt585:
I still have no idea about which battery to buy and I will need one soon
[ONE Accessories] fradbari:
There is no compatibile like the original one.... [emoji17][emoji17][emoji17]

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[ONE Accessories] OPOt585:
That's a damn shame.

My opo is running perfectly fine.
[ONE Accessories] hmichakis:
Hello all,

I've bought a Cameron-Sino battery from battery.uk.com, part no. (CAMERON)CS-YJT100SL 635653 and my phone is back to original capacity again. Reported actual capacity from AccuBattery is 3098mAh, after 4 full cycles. Bear in mind that this replacement battery DOES NOT report temperature correctly, much like most third-party batteries the temperature is always 25.0 C. I do not expect this to be an issue for myself as I generally charge my phone overnight with an 1A charger. However, if you are planning on using your phone heavily while charging with a 2A charger (say while playing a game), the temperature of the battery may rise quite a bit, but since the phone does not know that, it will NOT throttle the charging current. I don't know what the safety implications would be so please keep this in mind. Since the cell is of good quality, it would be possible to transfer the circuit board from the original battery to the Cameron-Sino battery, but for me that would be too much effort, especially since soldering is not the best way to do this. If you have access to spot-welding equipment, it would be well worth it so that the temperature functionality is maintained.
[ONE Accessories] evronetwork:
Well I wrote it a few months ago and I'll write it once more(final this time),

The blade battery mod is the BEST battery replacement(said it 6-7 months ago), anything else is hit and miss. Done this about half a year ago or so

If you search back you'll see the capacity is WAY above 3.100mAh and I wonder why people are still "searching" for a battery :p

Here's a picture of the charging, from yesterday(I don't do this often but wanted to check how's 0-100 ..I usually charge it at 25% or less and remove the charger at 80% to maximize the battery life)

P.S. When we say mod, you remove the tinfoil of the Blade's battery and change carefully the BMS(Battery Management System), it's a small PCB that controls the charging process(needs soldering skills - don't do it if you are inexperienced or have no clue what a soldering iron is - let a pro do it or a friend who's actually good) - always get an original battery(blade)

P.S.2 Still I bet after this post, people would still search for a battery, well ..I did try my best and having this battery 6++ months now with a confirmed capacity of 3.375mAh ..well it's more than enough, sure it's not 4.000mAh as the battery states but it's ~8.8% more capacity than original which is ALSO consistent(not like Chinese batteries that after a month are 2.000-2.500mAh at best, some seem ok for the first month with average capacity of 3.000-3.100mAh but after 2-3+ they hardly have 2.500mAh at best!) - So all in all go Blade's battery or don't do anything, no original batteries out there, no "proper" Chinese batteries ..if you want to continue hit and miss, feel free but if you want to do this and forget about it ...you know :D
[ONE Accessories] OPOt585:
Dude we don't do that cause we can't solder (and I personally won't feel comfortable doing that).

Props to you and thanks for the advice
[ONE Accessories] evronetwork:
I could do it for you for free, ok not free I'll need a beer but I could do it if you happen to be near me :D

P.S. A professional shouldn't take more than 15-20 euros at worst case scenario(that's the tops)

I do solver for like 20 years now :P
[ONE Accessories] Ganapatya:
Did the battery come in its original packaging? How long have you been using it?
[ONE Accessories] Ganapatya:
Original packaging should be as this.
[ONE Accessories] thegiolly:
You cannot use an USB meter to measure the capacity of the battery because by this way you are including all the power losses in the charging controller, cable, connectors and so on..

The real battery capacity will be less than that, but still a very good capacity :)
[ONE Accessories] fabiienb:
Hello what time are you using the battery? Still 3*** mAh ~?

Hello, I must have two batteries?

To mod that?

Seems not a lot complicated...

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[ONE Accessories] poronporonpompiero:
How can you use the whole capacity at once? Mine goes 100-0, then 70-0, then 50-0 and so on... Every time from 4.3 to 3.7V.

Same thing both with original bms and fake one.
[ONE Accessories] fastleo63:
Did you tested your mod with AccuBattery? IMHO it gives the most accurate estimation of the residual battery capacity.

For example, my original OPO battery (almost 4 years old) now is at 79%.
[ONE Accessories] evronetwork:
Actually you can, I've got a custom cable of 18 AWG cable of 12cm(build it myself for charging only purposes) so power loses due to cable are negligible, also turning it off ensures you'll have way more accurate readying than ANY app

The above measurement is +-50mAh at worst case scenario and way more accurate as said from ANY you'll ever seen in your lifetime :D :p ..not calculating the battery heat that has negative impact on the charging process - but apps can't calculate that either

---------- Post added at 01:19 PM ---------- Previous post was at 01:16 PM ----------

Use a short charging cable(with as thick wires as you can get) and an external usb meter, apps are a bit useless as they need to make estimations on what's running, what's not, what services are on and how much you "check" on it

Shutting the phone off+usb meter+super thick as mine cable(12cm 18AWG) and you'll ensure your results are consistent and accurate to a professional level :o

---------- Post added at 01:21 PM ---------- Previous post was at 01:19 PM ----------

Care to explain? I've lost you..
[ONE Accessories] Ganapatya:
Accubattery not is reliable. I think doze also interfere in it.
[ONE Accessories] poronporonpompiero:
It's a bit complicated but I'll try and make it clearer:

I charge the phone to 100%, it discharges quickly to 0% and shuts down. After some time I turn it on and it shows ~80%. This continues several times with decreasing %... It's like the phone can't use the whole capacity all at once.

Back in the thread Inkazzo reported the same problem and said his workaround was to set the % to a certain value and let it discharge to 3.3V. I tried to change the % value but this way also the voltage stays constant (don't know why).

Investigation time: I looked into /sys/class/power_supply/battery folder and found some files:

capacity basically the % level. I noticed that when I set the battery level, the value in this file continues decreasing to 0, but phone stays on.

voltage_min_design I think this is the voltage at which system turns off the phone, my value is 4400000 (microvolt). Seems strange, because usually it reaches 0% at ~3.7 volt.

I tried to edit these 2 files in every way but no success.

Another odd thing: 7 hours at 100% @ 3.7V... this mod is confusing me
[ONE Accessories] evronetwork:
Try to do the following(to eliminate rom issue) ...charge it full, go to recovery and stay there ...if it discharges quickly shuts down and then you turn it on and shows e.g. 70% you have a confirmed battery issue(it might be the lithium polymer or the BMS - Battery management system aka PCB of the battery)

Tbh I believe it's a battery issue, had the same issue with original battery but with 10% or less, if it went down to 10% it might shut off or go further to 9% and shut off etc all the way to 1% ...when I turn it on it showed me the correct percentage ...e.g. shutdown at 5% when I was turning it on it was still 5% but this made my phone useless as I had 90% of the battery, if I had low battery I was scared if it will work or not thus I changed to a "U.K." battery(if had a sticker on top of it's chinese clone) and then I use a blade battery with the BMS from the Chinese battery, original battery was charged to 60% and left on the side(it's best to have 60% for long storage on lithium batteries - so you know)

---------- Post added at 01:16 PM ---------- Previous post was at 01:14 PM ----------

That's why I moan that shutting down the phone and charged it while it's off measuring it with a usb meter is the most reliable way :D

A good meter shows, mAh, time, current amperage and duration(while it charges and total time in the end)
[ONE Accessories] poronporonpompiero:
So the culprits could be two: battery or BMS. My current configuration is "4800" mAh blade battery & original opo BMS.

I'm sure that the BMS reads the correct voltage because I checked with a tester on the battery poles, hence I didn't fry it while soldering :D

The battery may have some jumps in voltage or anything, I will investigate it with the recovery thing you suggested.

In the last post I forgot to report that when the phone turns off at 0%@3.7V and I turn it on again, the voltage is still the same while % can be 70-80% (next time 40-50%, then 20 and so on). So this may be related to some things coded in the BMS because it's designed for a 3100 mAh battery, or something in the system that misinterprets data in some way. If that's the case I don't have the knowledge to modify things.
[ONE Accessories] Tharg0r:
Well I ordered one from them based on your recommendation so I hope you're right, came to €22 delivered to Ireland, fingers crossed.
[ONE Accessories] fabiienb:
Let's do a return... I'm going to order one too

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[ONE Accessories] Tharg0r:
Just got an email saying they expect to have stock in 2-3 weeks, do I want to wait? I said yes so we'll see what happens.
[ONE Accessories] fabiienb:
Smell bad, battery in China = different stock = different build..

I will wait.

Tell me when you receive it ? Got luck for you

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[ONE Accessories] Tharg0r:
Thats what Im thinking aswell, Im just going to take a chance though, phone just works too well and has been on too many adventures for me to give up on it too easy :good:
[ONE Accessories] fabiienb:
I have the same "problem" as you 4 years with this phone nothing bad with it even the battery...

I don't want to leave it ^^

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[ONE Accessories] evronetwork:
I've use ZTE battery and a China's "original" battery which was masked as U.K.'s "good quality" replacement battery(a sticker - got my money back) ...it was 2.900 and after 2 weeks it was 2.100. BMS was good and didn't want to tear down my original battery - Works great and recently I've posted a picture of it's capacity - Going strong and WAY better than original

People stop searching dragons, go with ZTE do the solder or put a pro or a friend(who actually can do it, now when he things he can) ..and be happy, why try and search for a "maybe" when you have a sure bet?

---------- Post added at 02:54 AM ---------- Previous post was at 02:51 AM ----------

4.800mAh can't fit the phone, sorry ..it's a big fake. 4Ah ZTE battery is already a bit thicker but it fits, 4.8Ah? no way, sorry, probably 2.800 :P

EDIT: BMS doesn't know capacity ...BMS ONLY checks ...low voltage cut off, high voltage cut off and temperature cut off - doesn't care if it's 500mAh or 500Ah - Checking voltage doesn't mean u didn't do damage, use low wattage solder and do it as quickly as u can, avoid using high temps in such sensitive tiny board :D
[ONE Accessories] Ganapatya:
Zte battery link, please?
[ONE Accessories] Ganapatya:
1 month. 2700 mAh.
[ONE Accessories] fabiienb:
Not even a good deal so?

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[ONE Accessories] mrhamed:
Can you explain please, how I can

with video or picture (or like somewhere like youtube). I have some experience about soldering PCB but I'd like to make sure how it to be.

Thank you.
[ONE Accessories] Ganapatya:
I think it came defective from the factory. In amazon you can see positive and other negative feedbacks. There is a luck factor in all this.
[ONE Accessories] SirSoviet:
What gauge wire should I use when soldering the BMS board to the battery?
[ONE Accessories] captaindyson:
I think you misunderstand. I have never replaced my battery. I am using the original, but it has degraded so I am looking to replace if a worthwhile replacement, if one exists? Hence why I am asking if anyone knows of a good replacement battery with close to 3000mAh?
[ONE Accessories] chenrp:
Just another reason not buying oneplus brand. No accessories, no batteries, nothing to buy...
[ONE Accessories] Mr.Ak:
https://m.ebay.in/itm/100-Genuine-3...ery-for-OnePlus-One-1-/282315859708?hash=MQ==

I would go with this.
[ONE Accessories] ninjasumit:
If you are in India, you can get a genuine battery from oneplus service centers. I got one for around INR 2000.
[ONE Accessories] Mr.Ak:
Hmm..
[ONE Accessories] vable:
what makes you think that actually this battery is genuine now? fake battery sellers say you always "genuine". ebay (in india or somewhere else) sites are full of them.. the same fake poor capacity batteries.
[ONE Accessories] Mr.Ak:
So you expect to get a great one at this price?

Like [MENTION=6181473]ninjasumit[/MENTION] said if you need an original one go to svc and get one for 2k(indian rupees).
[ONE Accessories] vable:
nope. the point was this is not any better than the battery in OP we discuss here about. and no, there exist no any oneplus service centres in my country. so this is not an option for me.
[ONE Accessories] captaindyson:
Same here, I am UK.
[ONE Accessories] nitrobg:
AFAIK, the production of accessories for OPO has stopped long ago. Even if you manage to find a truly genuine battery, it would be manufactured 2 years ago and its capacity would be severely diminished just because the lithium-ion batteries lose capacity over time, even if unused (source). And no, smartphones (including OPO) don't use lithium-polymer batteries but rather a lithium-ion batteries in a polymer casing (source), so the pros and cons of the real LiPo batteries don't apply here.

So our best bet is to find the best replacement battery that holds the charge as good as the original one.
[ONE Accessories] vable:
surely the question is not just about "genuinity" here. except to your oneplus phones become a shiny "genuine garbage" after the 12$ batteries die.
[ONE Accessories] jahideu:
After battery replacement .... :)
[ONE Accessories] Syaani:
Which battery? #linkplz :D
[ONE Accessories] EGM92:
Those are great stats, what battery did Iyou replace it with? My battery (OEM) is only holding 2500mah :(
[ONE Accessories] Kaar3l:
We need a link :D
[ONE Accessories] nitrobg:
Got a 3500mAh HSA battery for a friend's Xiaomi Mi3. I'll report back once he tests it properly.
[ONE Accessories] Nachowskyz:
Can u share a link to buy?
[ONE Accessories] jahideu:
Sorry. I bought it from local store.
[ONE Accessories] Syaani:
That's still much better than my battery :D
[ONE Accessories] sumchamp:
Can you share some pics of the battery with details like brand and model name? TIA.
[ONE Accessories] hmichakis:
The battery did come in the original packaging, exactly as the photo that you have posted. I will report in a couple of months time when I have used the phone a bit more but so far, after 4 fake batteries and a lot of frustration, I am finally able to enjoy using my phone again, and I plan on keeping it until I can no longer find good batteries for it!

---------- Post added at 09:43 PM ---------- Previous post was at 09:31 PM ----------

I am afraid what you have measured with your "USB Safety Tester" is NOT the battery capacity. The indicated mAh is simply the total charge that has been delivered to your phone via the USB port, this has nothing to do with the actual capacity of the battery cell. Judging by the total energy delivered (17.143Wh), you were using your phone while charging it. A battery with an energy capacity of 17.143Wh at a nominal voltage of 3.8V would have a charge capacity of 4511mAh, which is simply impossible for the physical size of the ZTE blade battery. I would suggest you repeat your test by first discharging your phone to 0%, and then charge it while having it turned off. Then post a photo of your measurements. I expect you will see about 14.250Wh and approximately 2850mAh, based on a nominal 5V charging voltage. These numbers are based on a typical charging efficiency of 88%, which should be what the battery charging IC in the OnePlus One is capable of.