Dell Inspiron 1721 (Mid 2007) - Manual (Page 182)

182
Specifications
Battery
Type 9-cell "smart" lithium ion
6-cell "smart" lithium ion
Dimensions:
Depth 67.6 mm (2.66 in) (9 cell)
47.5 mm (1.87 in) (6 cell)
Height 20.4 mm (0.8 in)
Width 209.9 mm (8.26 in)
Weight 0.48 kg (1.06 lb) (9 cell)
0.33 kg (0.7 lb) (6 cell)
Voltage 11.1 VDC
Charge time (approximate) :
Computer off 4 hours
Operating time Battery operating time varies depending on
operating conditions and can be significantly
reduced under certain power-intensive
conditions (see "Troubleshooting" on
page 97).
See "Using a Battery" on page 45 for more
information on battery life.
Life span (approximate) 300 discharge/charge cycles
Temperature range:
Operating 0° to 35°C (32° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
Coin-cell battery CR-2032
AC Adapter
Input voltage 100–240 VAC
Input current (maximum) 1.5 A
Input frequency 50–60 Hz