Dell Inspiron 300m - Manual (Page 8)

Storing a Battery
Remove any installed battery pack when you store your computer for an extended period of time. A battery discharges during prolonged storage. After a long
storage period, recharge the battery fully before you run the computer on battery power.
Specifications
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Battery Charger
Dimensions:
Depth 35 mm (1.4 inches)
Height 15 mm (0.6 inch)
Width 212 mm (8.3 inches)
Weight (typical) 0.07 kg (0.15 lbs)
Voltage:
Input 20 VDC
Output 9.0 VDC (nominal)
Charge current (maximum) 3.0 A with 58-WHr battery
3.0 A with 27-WHr battery
Charge time (approximate) 3 hours with 58-WHr battery
1.5 hours with 27-WHr battery
Temperature range:
Operating 0° to 40°C (32° to 104°F)
Storage –65° to 150°C (–85° to 302°F)
AC Adapter
Input voltage 90–135 VAC and 164–264 VAC
Input current (maximum) 1.2 A
Input frequency 47–63 Hz
Output current (maximum) 2.5 A
Output power 50 W
Rated output voltage 20 VDC
Dimensions (without cord manager):
Height 27.5 mm (1.08 inches)
Width 47 mm (1.85 inches)
Depth 95 mm (3.74 inches)
Weight (including DC cable) 0.41 kg (0.9 lb)
Temperature range:
Operating 0° to 40°C (32° to 104°F)
Storage –40° to 70°C (–40° to 158°F)