Latitude 7420/Latitude 7420 2-in-1 Setup and Specifications

PDF

Battery

The following table lists the battery specifications of your Latitude 7420.

Table 1. Battery specifications
The following table provides the detailed battery specifications of Latitude 7420.

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.
Description		Option one	Option two
Battery type		3-cell, 42 WHr, optional with ExpressCharge or Long Life Cycle	4-cell, 63 WHr, optional with ExpressCharge or Long Life Cycle
Battery voltage		11.40 VDC	15.2 VDC
Battery weight (maximum)		0.21 kg (0.467 lb)	0.26 kg (0.58 lb)
Battery dimensions:
	Height	5.7 mm (0.224 in.)	5.7 mm (0.224 in.)
	Width	92.8 mm (3.654 in.)	92.8 mm (3.654 in.)
	Depth	238 mm (9.37 in.)	238 mm (9.37 in.)
Temperature range:
	Operating	Charging: 0°C to 45°C (32°F to 113°F) Discharging: 0°C to 65°C (32°F to 149°F)	Charging: 0°C to 45°C (32°F to 113°F) Discharging: 0°C to 65°C (32°F to 149°F)
	Storage	–20°C to 60°C (4°F to 140°F)	–20°C to 65°C (4°F to 149°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.
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.		ExpressCharge Boost (0% up to 35%): 20 minutes ExpressCharge: 2 hours Standard charge: 3 hours 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/	ExpressCharge Boost (0% up to 35%): 20 minutes ExpressCharge: 2 hours Standard charge: 3 hours 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/
Coin-cell battery		Main battery reserves 2% of capacity for RTC function.	Main battery reserves 2% of capacity for RTC function.
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.