Precision 5770 Setup and Specifications

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Battery

The following table lists the battery specifications of your Precision 5770.

Table 1. Battery specifications
The following table provides the detailed battery specifications of Precision 5770.
Description		Option one	Option two
Battery type		3-cell, 56 WHr ExpressCharge	6-cell, 97 WHr ExpressCharge
Battery voltage		11.40 VDC	11.40 VDC
Battery weight (maximum)		0.27 kg (0.60 lb)	0.385 kg (0.85 lb)
Battery dimensions:
	Height	8.45 mm (0.33 in.)	8.45 mm (0.33 in.)
	Width	69.70 mm (2.74 in.)	69.70 mm (2.74 in.)
	Depth	330.65 mm (13.02 in.)	330.65 mm (13.02 in.)
Temperature range:
	Operating	Charge: 0°C to 50°C (32°F to 122°F) Discharge: 0°C to 60°C (32°F to 140°F)	Charge: 0°C to 50°C (32°F to 122°F) Discharge: 0°C to 60°C (32°F to 140°F)
	Storage	–40°C to 60°C (-4°F to 140°F)	–40°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.
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.		Standard charge, 0°C to 50°C (32°F to 122°F): 4 hours ExpressCharge, 0°C to 15°C (32°F to 59°F): 4 hours ExpressCharge, 16°C to 45°C (60.80°F to 113°F): 2 hours ExpressCharge, 46°C to 50°C (114.80°F to 122°F): 3 hours NOTE Control the charging time, duration, start and end time, and so on, using the Dell Power Manager application. For more information about the Dell Power Manager, see, Me and My Dell on www.dell.com/.	Standard charge, 0°C to 50°C (32°F to 122°F): 4 hours ExpressCharge, 0°C to 15°C (32°F to 59°F): 4 hours ExpressCharge, 16°C to 45°C (60.80°F to 113°F): 2 hours ExpressCharge, 46°C to 50°C (114.80°F to 122°F): 3 hours NOTE Control the charging time, duration, start and end time, and so on, using the Dell Power Manager application. For more information about the Dell Power Manager, see, Me and My Dell on www.dell.com/.
Coin-cell battery		Not supported	Not supported
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.