Dell Studio XPS Studio XPS 16 Setup Manual page 60

Basic Specifications
Battery
Weight 0.33 kg (0.7 lb) (6 cell)
0.48 kg (1.06 lb) (9 cell)
Voltage 11.1 VDC
Charge time (approximate):
Computer off 4 hours
Operating Battery operating time varies
time depending on operating
conditions and can be
significantly reduced under
certain power-intensive
conditions.
See Dell Technology Guide
for more information..
Life span 300 discharge/charge cycles
(approximate)
58
Battery
Temperature range:
Operating 0° to 35°C (32° to 95°F)
Storage –40° to 65°C (–40° to 149°F)
Coin-cell CR-2032
battery
AC Adapter
Input voltage 100–240 VAC
Input current 1.5A
(maximum)
Input frequency 50–60 Hz
Output power 65 W or 90 W