Dell Vostro 1520 (Early 2009) - Manual (Page 9)

Charge time (approximate)
Computer off
6 -cell lithium-ion battery
Approximately 1 hour to 80% capacity
Approximately 2 hours to 100% capacity
Operating Time
Varies depending on operating conditions and can be
significantly reduced under certain power-intensive
conditions
Life span (approximate) 1 year
Temperature range
Operating 0°C to 40°C (32°F to 104°F)
Storage –10° to 65°C (14° 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
Temperature range:
Operating 0°C to 35°C (32° to 95°F)
Storage –40°C to 65°C ( –40° to 149°F)
PA-12 65-W Travel AC adapter:
Output voltage 19.5 V DC
Output current 3.34 A
Height 15 mm (0.6 inches)
Width 66 mm (2.6 inches)
Depth 127 mm (5.0 inches)
Weight 0.29 kg (0.64 lb)
PA-10 90-W D-Series AC adapter:
Output voltage 19.5 V DC
Output current 4.62 A
Height 32 mm (1.3 inches)
Width 60 mm (2.4 inches)
Depth 140 mm (5.5 inches)
Weight 0.425 kg (0.9 lb)
PA-3E 90 E-Series AC adapter:
Output voltage 19.5 V DC
Output current 4.62 A
Height 15 mm (0.6 inches)
Width 70 mm (2.8 inches)
Depth 147 mm (5.8 inches)
Weight 0.345 kg (0.76 lb)
Physical
Height Front: 26.2 (1.031 inches)
Back: 38 mm (1.496 inches)
Width 357 mm (14.055 inches)
Depth 258 mm (10.157 inches)
Weight (with 6-cell battery) 2.8 kg (6.173 lb)
Environmental
Temperature range:
Operating 0° to 35° C (32° to 95° F)
Storage –40° to 65° C (–40° to 149° F)
Relative humidity (maximum):
Operating 10% to 90% (non-condensing)
Storage 5% to 95% (non-condensing)
Maximum vibration (using a random-vibration spectrum that simulates user environment):