Dell Latitude ST (Late 2011) - Manual (Page 63)

Battery
Length 165.50 mm (6.56 inches)
Height 5.90 mm (0.23 inch)
Width 114.10 mm (4.49 inches)
Weight 200.00 g (0.44 lb)
Voltage 7.4 VDC
Temperature range
Operating 0 °C to 60 °C (32° F to 140° F)
Non-Operating –20 °C to 60 °C (–4 °F to 140 °F)
Coin-cell battery 3 V CR2032 lithium ion
AC Adapter
Type 30 W
Input voltage 100 VAC to 240 VAC
Input current (maximum) 1.0 A
Input frequency 50 Hz to 60 Hz
Output power 30 W
Output current (30 W) 1.58 A
Rated output voltage 19 +/– 1.0 VDC
Temperature range:
Operating 0 °C to 40 °C (32 °F to 104 °F)
Non-operating –20 °C to 85 °C (–4 °F to 185 °F)
Physical
Height 15 mm (0.59 inch)
Width 270 mm (10.63 inches)
Depth 186 mm (7.32 inches)
Weight (minimum) 816 g (1.80 lbs)
Environmental
Temperature:
Operating 0 °C to 35 °C (32 °F to 95 °F)
Storage –40 °C to 65 °C (–40 °F to 149 °F)
Relative humidity (maximum):
Operating 10 % to 90 % (noncondensing)
63