Dell Latitude 3540, Owner'S Manual

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Table 17. Touchpad
Feature Description
Active area: 240 dpi
X-axis 56.00 mm (2.20 inches)
Y-axis 100.00 mm (3.94 inches)
Table 18. Battery
Feature Description
Type
• 4-cell “smart” lithium ion (40 WHr)
• 6-cell “smart” lithium ion (65 WHr)
Dimensions:
Height
• 4–cell — 20.00 mm (0.79 inch)
• 6–cell — 35.40 mm (1.39 inches)
Width 46.30 mm (1.82 inches)
Depth 272.40 mm (10.72 inches)
Weight
• 4–cell — 260 g
• 6–cell — 360 g
Life span 300 discharge/charge cycle
Voltage
• 14.80 VDC (4–cell)
• 11.10 VDC (6–cell)
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 ion
Table 19. 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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