Motorola Battery Charger - Non-Retail Packaging - Black The battery charger requires either a travel or car charger. Maximize your talk time! Have an extra battery ready at all times! Charge a backup battery at home, in the office, or while on the road. Power up your extra battery and go! When used with a Motorola travel or car charger, battery capacity and time is optimized. Will not overcharge the battery if left connected. The battery charger allows you to charge a spare battery without interfering with your phone use.