Mugen Power, a company that produces extended batteries for many top handsets, has announced such a battery for the Samsung Galaxy S4. The 5500mAh cell is a bit more than twice the size as the stock battery. The latter provides enough energy for 4 hours of video streaming which can be pushed to 8 with moderate use, and 17 hours of talk time. According to Mugen, its extended battery will more than just double those numbers. The company says that if the user limits the phone to browsing websites, replying to emails and installing the occasional app, the battery could last 3 to 4 days without a charge.
The Mugen extended battery for the Samsung Galaxy S4 will be priced at $89.50 and will ship starting on July 22nd. The back plates will come in white or black and will feature support for NFC. If you are interested in ordering the battery, click on the sourcelink. If you use your Samsung Galaxy S4 constantly, it might be the best investment you make in your phone. When everyone else is out of luck because of a dead battery, you will have the energy to keep on going.
source: MugenPower via AndroidAuthority