The battery is just a standard replacement battery, identical to the original. It's the excellent price that makes the difference! My phone now lasts up to two days without charging. Some people say that their battery is still discharging fast. The cause is probably their apps running in the background. Turn off your WiFi and location when not using your phone and see if your battery's life increases.
I bought this because I heard it might solve my phone's problem of randomly restarting. Since I've been using this battery my phone has not restarted once and it saved me from having to buy a new phone.
I have a Samsung Galaxy S 4 and my battery was charging 100% than I would leave it off and it would go to 77% than die. I bought this new battery and it fixed this problem. so for someone saying that these battery don't work or something wrong with this your wrong it's been a week and i had this new battery down to 10% and still no problem charged back up to 100%. it works great. now that I can say overstock seem to have ( OEM ) battery's and they seem to be OEM Samsung that I know of. i'm happy with them and I will be buying for all my phones. thanks again
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