Precision 5540 Service Manual

Battery

NOTE:97 WHr battery is not available with the 2.5 inch drives.

Table 1. Battery specificationsBattery specifications.
Features	Specifications
Type	56 WHr lithium-ion polymer 3 cell battery 97 WHr lithium-ion polymer 6 cell battery
Dimension	56 WHr lithium-ion polymer Length: 223.2 mm (8.79 inch) Width: 71.8 mm (2.83 inch) Height: 7.2 mm (0.28 inch) Weight: 250.00 g (0.55 lb) 97 WHr lithium-ion polymer Length: 332 mm (13.07 inch) Width: 96.0 mm (3.78 inch) Height: 7.7 mm (0.30 inch) Weight: 450.00 g (0.992 lb)
Weight (maximum)	450.00 g (0.992 lb)
Voltage	56 WHr - 11.4 VDC 97 WHr - 11.4 VDC
Life span	300 discharge/recharge cycles
Charging time when the computer is off (approximate)	4 hours
Operating time	Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions
Temperature range: Operating	0°C to 35°C (32°F to 95°F)
Temperature range: Storage	-40°C to 65°C (-40°F to 149°F)
Coin-cell battery	ML1220