Hyperion Samsung Droid Charge i510 2 x Battery + Charger (Also Compatible with Samsung 4G LTE Mobile Hotspot LC11, Continuum i400, and Gem i100) Extend your talk time on your Samsung Charge i510. Easily swap your battery when your charge is low. The battery has an integrated microchip to prevent overcharging and lengthens battery life. 2 x 1600mAh Battery and 1 x Universal Wall Dock Charger. Do not need to change back cover. The Smart LED shows charging status. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock.