Product Review

Compatible with HTC HTC Rezound 4G, Thunderbolt, Merge, Mytouch 4G. Easily swap your battery when your charge is low. The smart led shows charging status. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Charger is designed with a foldable A/C plug that charges your cellphone battery anywhere in the world.

What's Included:
1X - External Battery Charger w/ USB Output And LED Indicator
1X - Exclusive Black & Green Color Key Chain

Battery life will vary depending on your specific hardware and software configurations and network conditions.