MAIN OVERVIEW FEATURES: Application/Usage: Tablet PCBattery Rechargeable: YesBattery Size: Proprietary Battery SizeBattery Chemistry: Lithium Ion (Li-Ion)Battery Capacity: 6800 mAhOutput Voltage: 10.8 V DCMaximum Battery Run Time: 11 HourWeight (Approximate): 1 lbCompatibility: Panasonic Toughbook CF-C2 Mk1 Tablet PC