SHENMZGalaxy S4 Battery,Upgraded 4200mAh Li-ion Replacement Battery for Samsung Galaxy S4 EB-B600BE,AT&T I337,Verizon I545,Sprint L720,T-Mobile M919,R970,I9500,I9505,LTE I9506

My wife gave me her old phone so I could use it to play audio books. Her old battery no longer held a charge. I was able to upgrade it to a newer battery that holds charge a lot longer and it has more power. Works great in the phone.

My S4 samsung wasn't holding a charge very long. Used this as a replacement. Easy to install. Working great now. I useit as a player for my music while I walk. Lasts a whole week now. Actually installed a month ago. Still working well. Would use again.

I have an older phone, a Galaxy S4. The replacement battery seems to have bought me some additional time between charges so I don't have to replace my phone. It's a tight fit, but it did fit my phone when lined up exactly with the battery compartment. I also made sure to let the battery run down to under 10% before fully charging the battery the first 3-4 times. For now, it's working as I had hoped.

I have had this battery for 7 days it replaced the original battery in my Samsung Galaxy s4. Ik what your gonna be thinking (dude your phone is so old just get a new one) surprise this one still works like new. The old battery would over heat and it started to drain fast as in fast I mean 10min after I would take off the charger it would go fromm 100% to about 90%-80% and I would not even be using it. When I was using it the battery would go from 100% to around 50% in 10min. Also when I would restart my phone at 100% charge the phone would turn back on then it would start restarting itself over and over again acting like the battery was below 15%. With the new battery my phone goes from 100% to about 80% in 6hrs after taking it off the charger and that's means not using the phone but still having it on. Plus all the probs with the old battery described at the beginning of my review have stopped. So gooooo buy this battery you will not regret it my phone is so much faster now that I have a new battery.

Battery life is not very good. On standby all day will lose about 50% of charge. With light use will last half a day.

The battery performance works great with my phone. Good item to purchase.

I put it in my S4 & charged it for a few hours. My phone won't even turn on. I put the old battery back in & at least it turns the phone on. Garbage product.

I have nothing to really dislike about it, it got here within two days or earlier, so certainly go with the least amount of shipping cost unless you really need it faster.. I've had this battery for a month. I wanted to wait until I had it a while before writing a review. I have no issues so far with the battery... The instructions do recommend you fully discharge and recharge the battery four or five times and then you can charge it normally.. I have to say it's a big upgrade from the 1300mAH battery that originally came with the Samsung S4. You get about an extra day of light to medium phone use out of it without having to recharge vs the original battery.. If you still haul around this ancient Samsung S4 like I do until it either breaks or dies and you need a new battery for it... I certainly recommend getting this battery..