Dell Latitude 2100 (Mid 2009) - Manual (Page 10)

Battery
Type 3-cell: 35 Whr
6-cell: 56 Whr
Dimensions:
Depth
3 -cell lithium-ion battery 204 mm (8.03 inches)
6 -cell lithium-ion battery 204 mm (8.03 inches)
Height
3 -cell lithium-ion battery 23.2 mm (0.91 inches)
6 -cell lithium-ion battery 42.5 mm (1.67 inches)
Width
3 -cell lithium-ion battery 40.5 mm (1.57 inches)
6 -cell lithium-ion battery 48.1 mm (1.89 inches)
Weight
3 -cell lithium-ion battery 0.21 kg (0.41 lbs)
6 -cell lithium-ion battery 0.35 kg (0.77 lbs)
Voltage
3 -cell lithium-ion battery 14.8 VDC
6 -cell lithium-ion battery 11.1 VDC
Charge time (approximate) for 6-cell lithium-ion battery
Computer off approximately 1 hour to 80% capacity
approximately 2 hours to 100% capacity
Life span (approximate) 1 year
Temperature range
Operating 0° to 40°C (32° to 104°F)
Storage –10° to 65°C (14° to 149°F)
Coin-cell battery CR-2032
AC Adapter
Type 65 Watt
Input voltage 100–240 VAC
Input current (maximum) 1.5 A
Input frequency 50–60 Hz
Output current 4.34 A (maximum at 4-sec pulse)
3.34 A (continuous)
Output power 65 Watts
Rated output voltage 19.5 ±1.0 VDC
Temperature range:
Operating 0° to 35°C (32° to 95°F)
Storage –30° to 65°C (–22° to 149°F)
Physical
Height:
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)
Environmental
Temperature range:
Operating 0° to 35°C (32° to 95°F)