Kastar Replacement Digital Battery Charger For Nikon D80 Camera and Nikon EN-EL3 EN-EL3a EN-EL3e Battery Kastar Mini Rapid A/C Charger Features a Fold-out US Plug, 110-240V Worldwide Input Voltage, Car Charging Adapter, and European Plug. Charger indication Green lights for standby, Red is for charging. Which can prevent the overcharge and overdischarge. Fast charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock. The charger is for charging your battery only. It does not work as AC adapter for your digital camera or camcorder.