Latitude 3540 Setup and Specifications

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Battery

The following table lists the battery specifications of your Latitude 3540.

Table 1. Battery specifications
The following table provides the detailed battery specifications of Latitude 3540.
Description		Option one	Option two	Option three	Option four
Battery type		3-cell, 42 Wh, Lithium-ion, ExpressCharge	3-cell, 54 Wh, Lithium-ion, ExpressCharge	3-cell, 42 Wh, Long Life Cycle, ExpressCharge 1.0	3-cell, 54 Wh, Long Life Cycle, ExpressCharge 1.0
Battery voltage		11.4 V	11.4 V	15 V	11.4 V
Battery weight (maximum)		0.19 kg	0.22 kg	0.19 kg	0.22 kg
Battery dimensions:
	Height	5.73 mm	5.73 mm	5.73 mm	5.73 mm
	Width	263 mm	263 mm	263 mm	263 mm
	Depth	79.42 mm	79.42 mm	79.42 mm	79.42 mm
Temperature range:
	Operating	0°C to 45°C (32°F to 113°F)	0°C to 45°C (32°F to 113°F)	0°C to 45°C (32°F to 113°F)	0°C to 45°C (32°F to 113°F)
	Storage	-20°C to 60°C (-4°F to 140°F)	-20°C to 60°C (-4°F to 140°F)	-20°C to 60°C (-4°F to 140°F)	-20°C to 60°C (-4°F to 140°F)
Battery operating time		Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.	Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.	Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.	Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions.
Battery charging time (approximate) NOTE:Control the charging time, duration, start and end time, and so on using the Dell Power Manager application. For more information on the Dell Power Manager see, Me and My Dell on www.dell.com.		0~15°C—4 hours (when the computer is off) 16~45°C—2 hours (when the computer is off) 46~50°C—3 hours(when the computer is off)	0~15°C—4 hours (when the computer is off) 16~45°C—2 hours (when the computer is off) 46~50°C—3 hours(when the computer is off)	0~15°C—4 hours (when the computer is off) 16~45°C—2 hours (when the computer is off) 46~50°C—3 hours(when the computer is off)	0~15°C—4 hours (when the computer is off) 16~45°C—2 hours (when the computer is off) 46~50°C—3 hours(when the computer is off)
Coin-cell battery		CR2032	CR2032	CR2032	CR2032
CAUTION:Operating and storage temperature ranges may differ among components, so operating or storing the device outside these ranges may impact the performance of specific components. CAUTION:Dell recommends that you charge the battery regularly for optimal power consumption. If your battery charge is completely depleted, connect the power adapter, turn on your computer, and then restart your computer to reduce the power consumption.