charging Samsung galaxy s3 in s4 - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Hello ,
I know that we can use S3 battery in S4, but I'm a bit confused on is it safe to charge s3 battery in s4 ?
I read on some forum that charging s3 battery in s4 would overcharge the battery.
If any one here have tried this or have any information about it than please share.
Thanks.

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I think it should be fine. The phone should be able to detect the size of the battery and what percentage it is at fine. The custom batteries that have around 4k mAh work fine so I don't think it will be any different for smaller batteries

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[Q] [HELP] Galaxy s4 battery issue after update !!!

Hi,
Recently I purchased galaxy s4. Initially I charged my phone with galaxy grands's charger for a couple of days ( As the charger look alike I thought both chargers are same ) . My battery used to drain very fast. However when I discover that s4's charger is high powered..I switched to it. There is a slight improvement in battery backup but I am not receiving the actual backup. What should I do ? Should I calibrate my battery. If so, what is the procedure?
Thanks
Some battery data would help. Numbers, please.
laksh2293 said:
Hi,
Recently I purchased galaxy s4. Initially I charged my phone with galaxy grands's charger for a couple of days ( As the charger look alike I thought both chargers are same ) . My battery used to drain very fast. However when I discover that s4's charger is high powered..I switched to it. There is a slight improvement in battery backup but I am not receiving the actual backup. What should I do ? Should I calibrate my battery. If so, what is the procedure?
Thanks
Click to expand...
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U can use the phone till it completly gets dry and then charge full and use may help
If not u can reset the device completly and see mostly this will be solving the issue
there are some apps which does calibrating the battery however i never had to use the same
u can try this app and see if this helps
https://play.google.com/store/apps/details?id=com.nema.batterycalibration

Can I use 4000mah battery in My Samsung Galaxy s4 gt-19500

Hi,
Can anyone please help me i am having problem with the battery life of my Samsung Galaxy s4 gt-19500.
I am having a lot of work to use on my mobile and the Samsung original 2600mAh Battery dies out very quickly.
I wish to buy any alternate powerful battery which can provide me more power backup for my work.
Can anyone suggest an alternate more mAh powerful battery to me.
Can I use any 4000mah battery in My Samsung Galaxy s4 gt-19500 or similar kind of more mAh battery in place of 2600mAh battery..????
Yes you can use any high capacity battery designed for the S4. There are lots on amazon.
I have been using a 7800 mA for about a year with no problems. It's Anker Extended Battery for s4. Here is the link: http://www.amazon.com/7800mAh-Extended-T-Mobile-Cellular-MetroPCS/dp/B00GNQ10VS
Note: I can easily get 15 hours SOT with it.

Using another phone's battery with my note 4, cant it explode with fast charging ???

I was searching for a way to use my note 4 (n910F) at home plugged on the charger with the screen always on without damaging my new battery. So I managed to fit a samsung pocket neo (S5310B) 1,000mah battery on my note 4 case. The phone works pretty well with the charger on. But I'm afraid there can be any consequences to my device, this little old samsung battery probably dont suport fast charging nor it was built to feed the note 4 (much) bigger power drain. Can anybody tell me if is there any chance of something bad happening ? (the battery exploding or something like that.....) What parameter should I be watching ? (I can access the battery voltage and temp) Thank youuuu all in advance.
2 years ago, I managed to use old cheap Nokia battery [800mAh] in my Galaxy W [1500mAh] everything was OK, but I felt it's not a safe way.
Instead, you can use an extended battery like Zerolemon 10,000 mAh which last for 13+ hours Screen on Time and no need to keep your phone in the charger all the time which is dangerous.

Best battery replacement?

Anker seems to be DOA short of now selling portable charging packs... Who makes the best replacement batteries these days? Anker is great for my captivate glide, the battery holds more but still didn't need a special battery door.
To look them up now it seems they no longer make batteries at all. Who have you all been using?
Sent from my [device_name] using XDA-Developers Legacy app
There seem to be very few makes of replacement battery specifically for the S5 Neo, although there are quite a few for the S5. I have seen differing opinions on whether a battery for the S5 will work properly in an S5 Neo. I have ordered a couple of S5 batteries (PowerBear and RAVPower), which should be here in a few days, and I will report on how well they work in my S5 Neo.
The batteries have arrived, and both the RAVPower and PowerBear batteries seem to work quite well in my S5 Neo, despite being designed for the S5. The PowerBear in particular seems to have really good capacity: after I charged it fully and disconnected the charger, the phone reported 100% battery for about an hour! I'll continue testing...

Galaxy S6 Battery In Galaxy S7.

As the title says, I managed to fix an old S7 I found by replacing it's broken battery with an older S6 battery. The problem is that the battery level remains at 100% when I fully charge it and then it suddenly it drops to 0%. I'm aware that the S7 is built to handle a 3600 mAh battery, but is there a way to maybe calibrate the smaller battery to actually work?

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