New battery

[Jack Jensen]

I recently bought two new unbranded batteries off eBay for my Samsung galaxy s3. I am just wondering if anyone knows if that placing and using these batteries in your phone can destroy the circuits or something? Should I just buy a more expensive samsung branded battery or am I safe with this cheap Chinese crap?
Thanks.

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[browneyegravy]

I've had cheap batteries before and haven't had issues. The only thing I've found is that they don't last as long as more expensive batteries.

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[Jack Jensen]

Thanks. It's not a problem if they don't last as long as I'm buying them for a spare battery to carry with me when one dies.

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[meyerweb#CB]

Agreed, I use cheap batteries as backups and have had no problems with them damaging the phone. Watch out for any swelling of the battery itself. If the flat surfaces develop a bulge it's probably time to toss the battery to make sure it doesn't damage the phone.

 

[carlos31820]

Only thing about cheap batteries is that they don't usually support NFC functionality. If you dont use NFC then its no big deal.