Develop Bugs

[Q] Regarding 3500mAh battery!

Hey guys I just saw a 3500mAh battery for SGS2 on ebay. Is it safe to use such battery? I mean it won't harm the phone, will it? :O

Probably won't harm the phone, no.
I bought a 3500mAh obscurely branded Chinese battery in mid-December. Tried it out for almost two weeks, a bunch of charge/discharge cycles & estimated its real capacity was around 1900mAh. It also used to heat up a lot on recharge (mid-high 40's Celsius, which isn't normal when the phone isn't being used whilst charging).
I took it back, got a refund & bought an original Samsung 2000mAh battery. Hasn't missed a beat, is obviously close to its advertised capacity given I get around 20% more use out of a charge than I do with a 1600mAh battery.
Obviously your mileage may vary if you buy one of these (you might have a better experience than I did), just thought I'd let you know about my experience.

MistahBungle said:
Probably won't harm the phone, no.
I bought a 3500mAh obscurely branded Chinese battery in mid-December. Tried it out for almost two weeks, a bunch of charge/discharge cycles & estimated its real capacity was around 1900mAh. It also used to heat up a lot on recharge (mid-high 40's Celsius, which isn't normal when the phone isn't being used whilst charging).
I took it back, got a refund & bought an original Samsung 2000mAh battery. Hasn't missed a beat, is obviously close to its advertised capacity given I get around 20% more use out of a charge than I do with a 1600mAh battery.
Obviously your mileage may vary if you buy one of these (you might have a better experience than I did), just thought I'd let you know about my experience.
Click to expand...
Click to collapse
Thank you very much!

chinmayanaokar said:
Hey guys I just saw a 3500mAh battery for SGS2 on ebay. Is it safe to use such battery? I mean it won't harm the phone, will it? :O
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Click to collapse
Well i heard that their batteries exploded in their phones......so be careful.....better pay for a better one instead of having a chance to ruin your expensive phone.
Sent from my GT-I9100 using xda premium

I have one of those I got from DealExtreme and it is great. It lasts 2x longer than the original Samsung battery.
I take care not to swap them often, because I am afraid that this action might damage the original cover, eventually breaking it.

Battery Life
I am still using the 1650 mAh battery (stock) for my S2.
I am really facing some battery issues. Its charging almost all day !
Yes I am using 3G all day and WiFi HotSpot too. But use wifi at home. Thats when I get good battery life. Any better way to conserve some battery ?
Any tips might help
Thanks

Got mine a few days ago from eBay and its been fine so far. It last more than 2x the regular battery. Phone does not heat up or anything strange..
Sent from my GT-I9100 using XDA

well i an getting with the original battery 24H of usage.
with the 3500mah i am getting 60H of usage... so my 3500 is truly 3500mah!
the language is hebrew.
i use congnition rom 1.51 and siyah kernel.

So, where can I see a trustful review on batteries for SGS2? What is the most extended one?
It's really frustrating that my current stock battery is only enough for 2 hd video view (4-5 hours).
Also, the higher the mAh value the more battery lifetime is, right?
I would really want to buy 3500 mAh, but it costs so little.
And the official Samsung variant that offers the longest lifetime of a battery for SGS2 is this one, maybe Mugen 3500 mAh is the best choice out there?
chenrp said:
well i an getting with the original battery 24H of usage.
with the 3500mah i am getting 60H of usage... so my 3500 is truly 3500mah!
the language is hebrew.
i use congnition rom 1.51 and siyah kernel.
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Click to collapse
What is the model name of the battery? Is it being overheated in comparison to stock one?

why should it overheat?
it is lithium ... same same

Yes, it's special lithium from China extracted under full moon and blessed by a thousand virgins
Really now, if it was possible to manufacture a battery having more than double the capacity of the stock battery while taking up the same volume, don't you think the megacorporate Samsung would buy that technology immediately in order to use it themselves ? "Too cheap to be true" is valid even here; most knock-off batteries either are fake ("9999 mAH SUPER EXTRA" sticker over the original rating), or will degrade quickly in time leaving you with a dud.
Since there are already fake electronic components...
... why not fake and cheap batteries too, certainly seems to be a high demand for them.

a. it is not the same volume! in is twice as much as the original.
b. the i9100 has a circuit that allows a slow stable charge rate so i dont think it will damage the battery.

As well as being made of inferior materials, not being subjected to the same QC, not having the fuel gauge chip present in original Samsung batteries, you pretty much get what you pay for.
My advice would be to avoid non-original batteries altogether, and given a 2000mAh original battery will cost around the same as one of these 3000mAh+ batteries with all their problems & poor life, it's a no brainer.
Stick with Samsung batteries.

fuel gauge chip?
i would like to see that chip in an any cellphone battery please.

If you're not aware of/don't know about the fuel gauge chip in original SGS2 batteries, you've probably been living under a rock since the phone was released
chenrp said:
fuel gauge chip?
i would like to see that chip in an any cellphone battery please.
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Click to collapse

MistahBungle said:
If you're not aware of/don't know about the fuel gauge chip in original SGS2 batteries, you've probably been living under a rock since the phone was released
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Click to collapse
well i think that you misunderstood the meaning fuel gauge.
there is no chip in the battery that is in charge of the fuel gauge.
furthermore there is no use of recalibrating the battery in out i9100 model.
all you gave me is a link you Google...
please... show me that chip! i would like to learn something new about lithium batteries..

Plz can you Possible link topic of the battery
Sent from my GT-I9100 using Tapatalk

chenrp said:
why should it overheat?
it is lithium ... same same
Click to expand...
Click to collapse
What about the other question that you chose to ignore, regarding the battery's model that you mentioned.

thanks for the info guys,
cuz I need a battery really disparately cuz I use so much data and sync :'(
I couldn't find something really reliable feedback from viewers, and i'm trying to find something with good quality as well!
guess i have to search further!

VAXXi said:
Yes, it's special lithium from China extracted under full moon and blessed by a thousand virgins
Really now, if it was possible to manufacture a battery having more than double the capacity of the stock battery while taking up the same volume, don't you think the megacorporate Samsung would buy that technology immediately in order to use it themselves ? "Too cheap to be true" is valid even here; most knock-off batteries either are fake ("9999 mAH SUPER EXTRA" sticker over the original rating), or will degrade quickly in time leaving you with a dud.
Since there are already fake electronic components...
... why not fake and cheap batteries too, certainly seems to be a high demand for them.
Click to expand...
Click to collapse
You have a point mate! Thanks

High capacity battery of 3600mah

Redmi 1s high capacity battery of 3600
i am only sharing link. i am nit responsible if anything goes wrong
konpson brand maximum charging voltage 4.35v
http://www.aliexpress.com/item/100-...Ah-Batterie-Batterij-Bateria/32360795916.html
HSA brand maximum charging voltage 4.2v
http://m.aliexpress.com/item/32365009087.html?tracelog=storedetail2mobilesitedetail
for calculating battery capacity
Look for Wh and V printed on the battery.
mAh = Wh × 1000 / V
Example:Samsung Galaxy S3: 3.8 V 7.98 Wh7.98Wh × 1000 / 3.8V = 2100mAh

Looks too good to be true.However,it might be real,considering that the charging time is 5 hours.I believe this is a protection measure to not overheat the battery,after all it's not an original one.However,I don't understand how are they going to limit the current which enters the battery as that's dictated by the micro controller in the phone.In my opinion,after couple of months of usage,it will broke.
However,if you decide to buy it try to use it only when you don't need the phone too much,so the phone doesn't heat up a lot.I believe heating it up too much might cause the battery to swell and worst case scenario,it will blow up.

Marius Cristian said:
Looks too good to be true.However,it might be real,considering that the charging time is 5 hours.I believe this is a protection measure to not overheat the battery,after all it's not an original one.However,I don't understand how are they going to limit the current which enters the battery as that's dictated by the micro controller in the phone.In my opinion,after couple of months of usage,it will broke.
However,if you decide to buy it try to use it only when you don't need the phone too much,so the phone doesn't heat up a lot.I believe heating it up too much might cause the battery to swell and worst case scenario,it will blow up.
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Click to collapse
i cant buy from alieexpress bcoz of payment mode btw thanks for your advice

Placed order for HSA 3600mAh...
http://www.aliexpress.com/item/New-...Xiaomi-2A-Mi2A-Xiaomi-Hongmi/32359800161.html
Costed 595Rs...
Will update on the quality and battery life and charging time once the product is received...

you Shouldnt buy hsa battery bcoz one person on fb reviewed and said that its same like 2000mah battery of redmi 1s. now lets see your review. i very want to go with konpson

Did you get it?

No still running original

Will this work?
Sent from my HM 1SW

adil.amin820 said:
Will this work?
Sent from my HM 1SW
Click to expand...
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are you asking for capacity then dont know

Got the HSA 3600mah battery today from aliexpress. Have attached some screenshots.
Inserted the battery into phone. It fit perfectly and charging it now.
Please suggest some android app that displays the correct battery information. So that we can validate what i received from HSA.
Will also update the charging hours it took and how long one full charge lasted for me with HSA battery in the coming days.

raviabi11 said:
Got the HSA 3600mah battery today from aliexpress. Have attached some screenshots.
Inserted the battery into phone. It fit perfectly and charging it now.
Please suggest some android app that displays the correct battery information. So that we can validate what i received from HSA.
Will also update the charging hours it took and how long one full charge lasted for me with HSA battery in the coming days.
Click to expand...
Click to collapse
I look forward to the next few days to figure out what is the battery life. I thing to buy same battery, but still waiting for your next posts. Try with CPU-z to see battery info. Thanks

raviabi11 said:
Got the HSA 3600mah battery today from aliexpress. Have attached some screenshots.
Inserted the battery into phone. It fit perfectly and charging it now.
Please suggest some android app that displays the correct battery information. So that we can validate what i received from HSA.
Will also update the charging hours it took and how long one full charge lasted for me with HSA battery in the coming days.
Click to expand...
Click to collapse
How much did you pay it finally ?
As i checked in the Aliexpress they are charging too much for delivery , so did you choose any particular vendor ?
And finally keep posted abt the performance of the battery

it was free shipping only... as previously mentioned paid only 595.
I am not able to find any app that displays the correct mah of the battery.
Its getting charged in 5hrs using redmi charger...
Got an usage time of more than 24hrs.. which i was already getting in my stock xiaomi battery... with dual sim, data and Wi-Fi usage.
So i guess the battery is similar to the stock one given by Xiaomi.
Should try konpson next as suggested by deepak kumar android.

Try better battery state app
Sent from my Karbonn A12* using XDA Free mobile app

You can use "AIDA" to see battery information, also "Ampere" is good enough to show battery information like ~Input Current, Output Current etc.

Used AIDA app as suggested.
Attached Screenshot of data showed by AIDA app with HSA battery.
Thanks for the support

raviabi11 said:
Used AIDA app as suggested.
Attached Screenshot of data showed by AIDA app with HSA battery.
Thanks for the support
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Click to collapse
so it seems its not better than the original....
5hrs to charge its a lot of time

Eitan932 said:
so it seems its not better than the original....
5hrs to charge its a lot of time
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Click to collapse
but temperature is very low as compared to stock. almost12-13 degree less

Haha
If it's exactly same size and type how on Earth it can have more capacity? Use simple logic guys. It's scam.

a4c01 said:
Haha
If it's exactly same size and type how on Earth it can have more capacity? Use simple logic guys. It's scam.
Click to expand...
Click to collapse
The battery for redmi 1s (BM41) its 2050 mah and is same size as the battery for redmi 2 (bm44) 2200 mah.

Replacement batteries, which one is good?

Hi everyone,
I've been thinking about replacing my battery and a quick search on Ebay led me to find some sellers who claim to have a 3700 mAh batteries.
Now my first response is to not trust these batteries and just get an original one, which I probably will, but I'm really curious if anyone here has tried one?
Here are a couple of links to these 3700 mAh batteries:
https://www.ebay.com/itm/BLP633-370...342121?hash=item1edc516aa9:g:~BMAAOSwoX5asMid
https://www.ebay.com/itm/3700mAh-Ba...743007?hash=item1ee028189f:g:Ac0AAOSwqxRa7B00
https://www.ebay.com/itm/3700mAh-BL...652403?hash=item2cd4142a73:g:wjEAAOSwsxJa9Isl
What are your thoughts about these?

Don't get any battery that isn't a OnePlus Battery. If you have a choice, never go for the battery that is advertised with a different amperage.
Go for a 3400mAh battery, better if it's a OnePlus original. Since our devices uses Dash Charge, which is only on OnePlus devices, it's best to go for an original, since we cannot know what effect DC will have on third party batteries.
Unless your battery has degraded lower than 50% and you need an emergency replacement till your original arrives, these batteries should not be trusted. There even may be a risk of high thermals and degrading your other phone hardware too.

thes3usa said:
Don't get any battery that isn't a OnePlus Battery. If you have a choice, never go for the battery that is advertised with a different amperage.
Go for a 3400mAh battery, better if it's a OnePlus original. Since our devices uses Dash Charge, which is only on OnePlus devices, it's best to go for an original, since we cannot know what effect DC will have on third party batteries.
Unless your battery has degraded lower than 50% and you need an emergency replacement till your original arrives, these batteries should not be trusted. There even may be a risk of high thermals and degrading your other phone hardware too.
Click to expand...
Click to collapse
Exactly my thought. Was just wondering if anyone was mad enough to actually try one of these. You never know, maybe they are unexpectedly good :silly:

Can you point me to any original OnePlus battery replacement?

Hammerhand.17 said:
Can you point me to any original OnePlus battery replacement?
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Ditto, I judt called OnePlus (US support line) and they told me they don't cell the battery or any replacement parts, I would have to send the phone for service to their authorized center.
So does anyone know where I can an original, third party seller one?

I purchased this one a few weeks ago, can't fault it!
https://www.ebay.co.uk/itm/152704815983
I think they sell via a website as well.

padlad said:
I purchased this one a few weeks ago, can't fault it!
https://www.ebay.co.uk/itm/152704815983
I think they sell via a website as well.
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Click to collapse
But this one is not original. Won't we have problem at long term? and it's 3300 mah, right?

Hammerhand.17 said:
But this one is not original. Won't we have problem at long term? and it's 3300 mah, right?
Click to expand...
Click to collapse
Have a look and read on the product page of their website:
https://www.replacebase.co.uk/for-oneplus-3t-replacement-battery-blp633-3300mah-oem/
All I can say is, it's better than the tired one I took out!

I just replaced my OP3T battery with a replacement from here:
https://www.mobilesupplies.nl/oneplus-3t-batterij-blp633-3400-mah-origineel.html
It says it's an original and so far it works like a charm. Will report back on how it performs.

padlad said:
Have a look and read on the product page of their website:
https://www.replacebase.co.uk/for-oneplus-3t-replacement-battery-blp633-3300mah-oem/
All I can say is, it's better than the tired one I took out!
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Click to collapse
What does the difference between "rated" and "typical" means? I don't understand.
Incanity said:
I just replaced my OP3T battery with a replacement from here:
https://www.mobilesupplies.nl/oneplus-3t-batterij-blp633-3400-mah-origineel.html
It says it's an original and so far it works like a charm. Will report back on how it performs.
Click to expand...
Click to collapse
Will take a look too.

Hammerhand.17 said:
What does the difference between "rated" and "typical" means? I don't understand.
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Click to collapse
Rated means how much it is designed to have, and tested is the actual amount of MAh in the battery. With every battery there is a difference between rated and tested. 3300MAh tested is actually really good.
I wonder how much the original batteries are tested for.

Incanity said:
Rated means how much it is designed to have, and tested is the actual amount of MAh in the battery. With every battery there is a difference between rated and tested. 3300MAh tested is actually really good.
I wonder how much the original batteries are tested for.
Click to expand...
Click to collapse
In their page, they say "Capacity: 3300mAh (rated) 3400mAh (typical)"

BTW, does anyone notice that after replacing the battery, the AccuBattery app is completely out of whack?
I cleared the data to get some clean info on my new battery, but after two or three charges, the app sees my new battery as ~2500mAh and with every charge it's rising. (My last battery was calculated as ~2800mAh)
So far it seems that the battery lasts longer, so the data from the app is conflicting...
I know that the AB app data isn't really reliable in comparison to real measuring equipment, but I'm just wondering about this.

I have replaced it, but it says that it have 0% charge, and doesn't charge anymore. Any help?
Edit: The seller have sent one more to me; it's corrupt, they say.

Hammerhand.17 said:
I have replaced it, but it says that it have 0% charge, and doesn't charge anymore. Any help?
Edit: The seller have sent one more to me; it's corrupt, they say.
Click to expand...
Click to collapse
Ok. The new one have arrive and I have the same problem. Was your replacement plug & play? Were you on OOS?
Both batteries shows 0% battery when I attach them.

Incanity said:
I just replaced my OP3T battery with a replacement from here:
https://www.mobilesupplies.nl/oneplus-3t-batterij-blp633-3400-mah-origineel.html
It says it's an original and so far it works like a charm. Will report back on how it performs.
Click to expand...
Click to collapse
In my experience non-OEM batteries start to degrade after a few months. How has yours held up? I'm looking to replace mine if I can find a genuine OEM part.

BenjiHansell said:
In my experience non-OEM batteries start to degrade after a few months. How has yours held up? I'm looking to replace mine if I can find a genuine OEM part.
Click to expand...
Click to collapse
The one I bought is supposed to be genuine, it even bears a OnePlus logo. But the first died on me in a week or two, so I got a free replacement from them, and so far it fares great. AccuBattery reports it as being well above 3000mAh, and I can reach the end of the day with my phone again, so I'm quite happy.

so why does everyone praise oneplus for their easy to repair devices and parts and build quality and all, if I can't even buy a replacement part? I'm forced to buy a new phone because my battery is broken. So next time I will go and buy a Samsung. Harder to open and all but I can buy a original battery in any other store.

█████ said:
so why does everyone praise oneplus for their easy to repair devices and parts and build quality and all, if I can't even buy a replacement part? I'm forced to buy a new phone because my battery is broken. So next time I will go and buy a Samsung. Harder to open and all but I can buy a original battery in any other store.
Click to expand...
Click to collapse
There are plenty of stores that sell original batteries. And a plethora of non-original batteries to choose from too.

I just send my phone back to OP and have them replace the battery under warranty (It's covered.)

Got a battery replacement to extend my phone's life but I see almost no difference.

I have a OnePlus 3 which I bought in June 2016. Fair to say the battery was starting to deteriorate. I had always planned on keeping this phone for at least 4 years. So to extend its battery life, I went ahead and got the battery replaced at the authorized OnePlus Service Center (for $25).
I see almost no difference though. Also, the battery capacity comes up less than 3000 mAh in the advanced battery options in my phone's ROM (2688 mAh). My older battery showed up as 2250 mAh.
I checked up on battery calibration but seems like it is not required at all.
Is it possible the OEM's provide poor replacement batteries so people aren't able to extend their phone's life which is otherwise in great condition? Or is the advances battery info erroneous?
They gave me a one month warranty. Would anyone recommend that I go back to them and ask for a replacement?
If it helps, I am on the latest HavocOS build and have root enabled.

I sent my phone directly to OnePlus 1 month ago, but I did not notice any improvements, I'm not sure they actually changed the battery even if they say so... Also cause I had a dbrand skin on and they haven't removed it.

n33raj18 said:
I have a OnePlus 3 which I bought in June 2016. Fair to say the battery was starting to deteriorate. I had always planned on keeping this phone for at least 4 years. So to extend its battery life, I went ahead and got the battery replaced at the authorized OnePlus Service Center (for $25).
I see almost no difference though. Also, the battery capacity comes up less than 3000 mAh in the advanced battery options in my phone's ROM (2688 mAh). My older battery showed up as 2250 mAh.
I checked up on battery calibration but seems like it is not required at all.
Is it possible the OEM's provide poor replacement batteries so people aren't able to extend their phone's life which is otherwise in great condition? Or is the advances battery info erroneous?
They gave me a one month warranty. Would anyone recommend that I go back to them and ask for a replacement?
If it helps, I am on the latest HavocOS build and have root enabled.
Click to expand...
Click to collapse
Have you calibrated the battery? It is advised to with a new battery. Normally 2x Discharge to 10% then full charge

4cyber said:
I sent my phone directly to OnePlus 1 month ago, but I did not notice any improvements, I'm not sure they actually changed the battery even if they say so... Also cause I had a dbrand skin on and they haven't removed it.
Click to expand...
Click to collapse
They actually gave back my original battery. And the number of charge cycles can be found using a bunch of apps. Not sure if that can be reset. So you can try using one of those to see if your battery really is new.

AaronDuceXDA said:
Have you calibrated the battery? It is advised to with a new battery. Normally 2x Discharge to 10% then full charge
Click to expand...
Click to collapse
Like I said in the OP
n33raj18 said:
I checked up on battery calibration but seems like it is not required at all.
Click to expand...
Click to collapse

n33raj18 said:
Like I said in the OP
Click to expand...
Click to collapse
May be the 'new' battery was manufactured in 2016. Remember that the production of OP3 was stopped after the launch of the 3T. So this battery might have been sitting on the shelf all this time.

n33raj18 said:
I have a OnePlus 3 which I bought in June 2016. Fair to say the battery was starting to deteriorate. I had always planned on keeping this phone for at least 4 years. So to extend its battery life, I went ahead and got the battery replaced at the authorized OnePlus Service Center (for $25).
I see almost no difference though. Also, the battery capacity comes up less than 3000 mAh in the advanced battery options in my phone's ROM (2688 mAh). My older battery showed up as 2250 mAh.
I checked up on battery calibration but seems like it is not required at all.
Is it possible the OEM's provide poor replacement batteries so people aren't able to extend their phone's life which is otherwise in great condition? Or is the advances battery info erroneous?
They gave me a one month warranty. Would anyone recommend that I go back to them and ask for a replacement?
If it helps, I am on the latest HavocOS build and have root enabled.
Click to expand...
Click to collapse
This is my battery info
View attachment 4672131
Havoc Rom info is not correct, i am on OP3T and battery capacity is 3400mah.
to confirm your capacity Check your battery in AIDA64 from play store.

Hayatzada said:
This is my battery info
View attachment 4672131
Havoc Rom info is not correct, i am on OP3T and battery capacity is 3400mah.
to confirm your capacity Check your battery in AIDA64 from play store.
Click to expand...
Click to collapse
Wow thanks for that info. Btw I switched back to OxygenOS (One3OS) and the battery life has drastically improved for me.

Mia1 4000 mah battery

I have a question since i stumble upon a 4000 mah battery while online shopping yesterday (BN31 the same code with the original MiA1 battery). Is it ok/safe installing this kind of battery? (The battery are not manufactured by Xiaomi)

As long as the ratings are the same as the Xiaomi mi a1's battery it's safe to replace them. But the longevity of them depends on the quality

Yuzuki Takahashi said:
I have a question since i stumble upon a 4000 mah battery while online shopping yesterday (BN31 the same code with the original MiA1 battery). Is it ok/safe installing this kind of battery? (The battery are not manufactured by Xiaomi)
Click to expand...
Click to collapse
Most likely the 4000 rating is false, China manufacturers are well known for this.

I received the "chensuper" battery. I've swapped mine with the new one but in cpuz shows 3080 mah like the old one.

valkyrjur said:
I received the "chensuper" battery. I've swapped mine with the new one but in cpuz shows 3080 mah like the old one.
Click to expand...
Click to collapse
is it last longer ?

jordanjoe1995 said:
is it last longer ?
Click to expand...
Click to collapse
It's the same (shame) capacity of the official one so there are not improves on that. But for the price it's a good replacement.

valkyrjur said:
It's the same (shame) capacity of the official one so there are not improves on that. But for the price it's a good replacement.
Click to expand...
Click to collapse
Maybe it was a fake 4000mah battery

ANy updates?
Does the battery lasted ?

lithoc said:
ANy updates?
Does the battery lasted ?
Click to expand...
Click to collapse
For me there is a bit of improvement but still I'll suggest that you stick with the original battery since mine bloated up due to heavy usage and frequent discharging and charging of the battery. With the original battery, it already reaching its 2 years of life time now since first bought and it need a change of new battery now because the capacity is way to low to even last a half day. :laugh:

I have bought a 5000mah bn31 battery from the brand Losoncoer. When arrived the packaging said 6400mah. I can surely say that after 3 and a half months its capacity is exactly the half of the stated one. Around 3200 mah. But it takes much more time to charge, so I advise everyone to buy original Xiaomi replacement parts.

Akmak said:
I have bought a 5000mah bn31 battery from the brand Losoncoer. When arrived the packaging said 6400mah. I can surely say that after 3 and a half months its capacity is exactly the half of the stated one. Around 3200 mah. But it takes much more time to charge, so I advise everyone to buy original Xiaomi replacement parts.
Click to expand...
Click to collapse
lithoc said:
ANy updates?
Does the battery lasted ?
Click to expand...
Click to collapse
Yuzuki Takahashi said:
For me there is a bit of improvement but still I'll suggest that you stick with the original battery since mine bloated up due to heavy usage and frequent discharging and charging of the battery. With the original battery, it already reaching its 2 years of life time now since first bought and it need a change of new battery now because the capacity is way to low to even last a half day. :laugh:
Click to expand...
Click to collapse
The moral of the story is, you should always buy genuine parts. Because batteries are typical piece of work. The manufacturing used by the OEM is robust compared to the local ones. So its always far better to buy underived ones. Other stuff like display, digitizer can be taken from third party vendor. But for batteries always choose OEM one.

For me it is still usable, but it has far worse screen on time, so yeah buy genuine batteries.
Altough in my mi a1 the usb-c port died the 4th time in the last 2 years, they always lasted half a year, no matter if i bought genuine part for Replacement or not?

Akmak said:
For me it is still usable, but it has far worse screen on time, so yeah buy genuine batteries.
Altough in my mi a1 the usb-c port died the 4th time in the last 2 years, they always lasted half a year, no matter if i bought genuine part for Replacement or not?
Click to expand...
Click to collapse
How come your USB C Port can die? How many times you your to charge your phone?

methuselah said:
How come your USB C Port can die? How many times you your to charge your phone?
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I have no idea at all. At first it will throw away charge at random times. Later it develops worse contact problems. It starts to only charge slowly and at the very end it could only take up charge if I apply force on it sideways.
I charge my phone every night. I used the original cable but lately i am using a blitzwolf branded one.
I have friends whose phone's port only needed a cleaning, but it does not help mine.

yeah

i want to replace my phone's battery can i buy original battery online if not then which battery is good to buy online?