Canon EOS 5D, EOS 10D, EOS 20D, EOS 30D, EOS 40D - Replacement Battery Charger (Incl. Car Adapter) Quick charge with automatic constant current control prevents battery from overcharging short circuit and electronic shock. Dual voltage unit (100- 240V) can be used worldwide! Meets (or exceeds) OEM standards. With Vehicle Cigarette Lighter Adapter (12v)