The Fujifilm 6 Hour Charger enables you to charge up to 4 AA (included) or 4 AAA batteries directly at your wall socket.. Just place the batteries into the charger and plug in for up to 6 hours for completely recharged batteries. The charger comes with 4 2000mAh Ni-Mh AA batteries. Built-in switching power technology for worldwide (100-24V AC) use. Battery life is prolonged by timer control. Specifications - Power supply: 100-240VAC, 50/60Hz International Compatibility - Charge rate: AA 350mA, AAA 150mA