Hyperion Samsung Galaxy Mega 6.3 (ALL Models) 2 x 3200mAh Battery + Charger (Compatible with Both AT&T Samsung Galaxy Mega 6.3 and International Mega 6.3 Models) [2 Year Warranty] Battery type: Li-ion; Voltage: 3.8V; Capacity: 2 x 3200mAh Battery and 1 x Universal Wall Dock Charger. The battery has an integrated microchip to prevent overcharging and lengthens battery life. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. The Smart LED shows charging status. Easily swap your battery when your charge is low.