Safety Standard: CE UL Power: 4.6W Voltage: AC 120V 60Hz, 220V 50Hz, 230V 50Hz Color: Black Packing: clamshell Meas(cm): ≈38.0?31.0?32.5cm N.W.(Kg): ≈7.5 G.W.(Kg): ≈8.5 Features: 1. Charge current: AA Batteries: 160mAh AAA Batteries : 55mAh 9V Batteries : 20mAh 2. Charging time: AA 7-15hour AAA 8-15hour 9V 11-14hour 3. Can charge AA, AAA and 9V batteries 4. Automatic cut-off after 15 hour 5. Extended charge times significantly prolong battery life