Dell 3550 owner manual Feature Description Axis 102.4 mm 4.03 inches Mm 3.04 inches

Table 24. Touchpad

Feature	Description
X-axis	102.4 mm (4.03 inches)
Y-axis	7.4 mm (3.04 inches)
Table 25. Battery
Feature	Description
Type	• 3-cell “smart” lithium ion (43 WHr)
	• 4-cell “smart” lithium ion (58 WHr)
Dimensions:
Height	• 3–cell — 7.8 mm
	• 4–cell — 7.8 mm
Width	• 3–cell — 124.7 mm
	• 4–cell — 124.7 mm
Depth	• 3–cell — 208.25 mm
	• 4–cell — 208.25 mm
Weight	• 3–cell — 283 g
	• 4–cell — 350 g
Lifespan	300 discharge/charge cycles
Voltage	• 3–cell — 11.1 VDC
	• 4–cell — 7.4 VDC
Temperature range:
Operating	0 °C to 50 °C (32 °F to 122 °F)
Non-Operating	–20 °C to 65 °C (–4 °F to 149 °F)
Coin-cell battery	3 V CR2032 lithium ion
Table 26. AC Adapter
Feature	Description
Type	65 W and 90 W
Input voltage	100 VAC to 240 VAC
Input current (maximum)	1.50 A/1.60 A/1.70 A/2.50 A
Input frequency	50 Hz–60 Hz
Output power	65 W/90 W
Output current	3.34 A/4.62 A
Rated output voltage	19.50 VDC

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