Dell Vostro A90 Setup And Quick Reference Manual page 27

Battery (Continued)
Weight
Voltage
Charge time
:
(approximate)
Operating time
Life span (approximate) 300 discharge/charge
0.23 kg (0.5 lb)
14.8 VDC
4 hours (when computer
is off)
Battery operating time
varies depending on
operating conditions and
can be significantly
reduced under certain
power-intensive
conditions.
See Dell Technology
Guide for more
information.
cycles
Battery (Continued)
Temperature range:
Operating
Storage
Coin-cell battery
AC Adapter
Input voltage 100–240 VAC
Input current 1.0 A
(maximum)
Input frequency 50–60 Hz
Output current 1.58 A (maximum)
Output power 30 W
Rated output voltage 19.5 +/–1.0 VDC
Specifications
0° to 35°C (32° to 95°F)
–40° to 65°C (–40° to
149°F)
CR-2032
27