Dell Latitude E6520 (Early 2011) - Manual (Page 8)

Battery
Non-Operating –40 °C to 65 °C (–40 °F to 149 °F)
Coin-cell battery 3 V CR2032 lithium coin cell
AC Adapter
Type 65 W, 90 W, and 150 W
NOTE: 65 W AC adapter is available only
for computers with integrated video card.
NOTE: 150 W AC adapter is only available
with Latitude E6420.
Input voltage 100 VAC to 240 VAC
Input current (maximum) 1.50 A, 1.60 A, 1.70 A, and 2.10 A
Input frequency 50 Hz to 60 Hz
Output power 65 W, 90 W, and 150 W
Output current 3.34 A, 4.62 A and 7.70 A (continuous)
Rated output voltage 19.5 +/– 1.0 VDC
Temperature range:
Operating 0 °C to 40 °C (32 °F to 104 °F)
Non-Operating –40 °C to 70 °C (–40 °F to 158 °F)
Physical
Latitude E6420
Height 26.90 mm to 32.40 mm (1.06 inches to 1.27
inches)
Width 352.00 mm (13.86 inches)
Depth 241.00 mm (9.49 inches)
Weight (with 4-cell battery) 2.07 kg (4.56 lb)
Latitude E6520
Height 28.30 mm to 34.20 mm (1.11 inches to 1.35
inches)
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