This 120-volt charger can rapidly charge batteries on or off the radio in one to three hours. The tri-chemistry charger features rapid, trickle, and maintenance modes. The maintenance mode revert to rapid feature ensures batteries remain fully charged even when left on the charger for extended periods of time. All chargers are specifically designed to meet the requirements of batteries manufactured by Motorola. This single-unit, rapid-rate charger has a U.S. plug.