BatteryType 3-cell: 35 Whr6-cell: 56 WhrDimensions:Depth3-cell lithium-ion battery 204 mm (8.03 inches)6-cell lithium-ion battery 204 mm (8.03 inches)Height3-cell lithium-ion battery 23.2 mm (0.91 inches)6-cell lithium-ion battery 42.5 mm (1.67 inches)Width3-cell lithium-ion battery 40.5 mm (1.57 inches)6-cell lithium-ion battery 48.1 mm (1.89 inches)Weight3-cell lithium-ion battery 0.21 kg (0.41 lbs)6-cell lithium-ion battery 0.35 kg (0.77 lbs)Voltage3-cell lithium-ion battery 14.8 VDC6-cell lithium-ion battery 11.1 VDCCharge time (approximate) for 6-cell lithium-ion batteryComputer off approximately 1 hour to 80% capacityapproximately 2 hours to 100% capacityLife span (approximate) 1 yearTemperature rangeOperating 0° to 40°C (32° to 104°F)Storage –10° to 65°C (14° to 149°F)Coin-cell battery CR-2032AC AdapterType 65 WattInput voltage 100–240 VACInput current (maximum) 1.5 AInput frequency 50–60 HzOutput current 4.34 A (maximum at 4-sec pulse)3.34 A (continuous)Output power 65 WattsRated output voltage 19.5 ±1.0 VDCTemperature range:Operating 0° to 35°C (32° to 95°F)Storage –30° to 65°C (–22° to 149°F)PhysicalHeight:3-cell 39.9–41.5 mm (1.57–1.63 inches)6-cell 59.15–60.75 mm (2.32–2.39 inches)Width (3- and 6-cell) 265 mm (10.4 inches)Depth:3-cell 187 mm (7.36 inches)6-cell 194.63 mm (7.66 inches)Weight (approximate):3-cell 1.42 kg (3.13 lbs)6-cell 1.57 kg (3.47 lbs)EnvironmentalTemperature range:Operating 0° to 35°C (32° to 95°F)