Hyperion Motorola Droid X, Droid X2, Atrix 4g 2x Battery + Travel Charger (Compatible with Motorola Droid X, Droid X2, Atrix 4g) Extend your talk time on your Motorola Droid X/X2/or Atrix 4G with 2 new high quality batteries! The battery has an integrated microchip to prevent overcharging and lengthens battery life. The Smart LED shows charging status. Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. Easily swap your battery when your charge is low. 2 x 1800mAh Batteries and 1 x Universal Wall Dock Charger. Do not need to change back cover.