166 SpecificationsBatteryPrimary Type 4-cell "smart" lithium ion (32 WHr)6-cell "smart" lithium ion (56 WHr)9-cell "smart" lithium ion (85 WHr)Secondary Type Lithium Polymer (48 WHr) in D-ModuleNOTE: Some auto/air adapters may not have sufficientwattage to charge a 9-cell battery, but they will still powerthe computer.Weight 0.26 kg (0.57 lb) (4 cell)0.35 kg (0.78 lb) (6 cell)0.48 kg (1.1 lb) (9 cell)Voltage 14.8 VDC (4 cell)11.1 VDC (6 cell)Charge time (approximate):Computer on 2.5 hoursComputer off approximately 1 hour for 80 percent chargeOperating time varies depending on operating conditions and can besignificantly reduced under certain power-intensiveconditions.See "Battery Performance" on page 29 for moreinformation.Life span (approximate) 500 discharge/charge cyclesTemperature range:Operating 0° to 35°C (32° to 95°F)Storage –40° to 65°C (–40° to 149°F)AC AdapterTypes 65 W and 90 WInput voltage 90-264 VAC (65 W and 90 W)Input current (maximum) 1.7 A (65 W and 90 W)Input frequency 47–63 Hz (65 W and 90 W)Output current: