Dell Alienware 14 (Mid 2013) - Manual (Page 6)

Battery
Type 6-cell “smart” lithium Ion (69 WHr)
Dimensions:
Height 156.83 mm (6.17 inches)
Width 63.18 mm (2.49 inches)
Depth 20.46 mm (0.80 inches)
Weight 0.33 kg (0.72 lbs)
Voltage 11.1 VDC
Charge time (approximate) Within four hours (with computer turned off at
25°C)
Operating time Battery operating time varies depending on
operating conditions and can significantly reduce
under certain power-intensive conditions.
Life span (approximate) 300 discharge/charge cycles
Temperature range:
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 65 °C (– 40 °F to 149 °F)
Coin-cell battery CR-2032