Mophie Juice Pack Helium for iPhone 5 & 5S

Rechargeable 1500mAh lithium ion polymer battery and protective case in one.
Provides you nearly twice the battery life of the iPhone 5 —  Up to 5 hours of talk time on 4G and LTE. Up to an additional 6 hours on 3G.  Up to 30 hours of additional audio playback.  Up to an additional 7 hours of video playback.
Soft touch finish – Sleek poly carbonate ABS materials in a sleek soft touch design.
Quick 1 amp recharging speed,  Not compatible with iPhone 5c
4 LED Light Status Indicator – Tells you how much “juice” you have left in the case for charging.