Dell E6520 owner manual AC Adapter, Battery, NOTE 65 W AC adapter is available only

Battery

4-cell	240.00 g (0.53 lb)
6-cell	345.00 g (0.76 lb)
9-cell	524.00 g (1.16 lb)
Charge time for a 4-cell and 6-cell	approximately 1 hour to 80% capacity and 2
battery with computer off (with 90 W	hours to 100% capacity.
adapter)
Voltage
4-cell	14.80 VDC
6-cell and 9-cell	11.10 VDC
Temperature range:
Operating	0 °C to 35 °C (32 °F to 95 °F)
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.
Input voltage	100 VAC to 240 VAC
Input current (maximum)	1.50 A/1.60 A/1.70 A/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)

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