Dell Precision 5540 - Disassembly and reassembly; Base cover

Features Specications
• Width: 71.8 mm (2.83 inch)
• Height: 7.2 mm (0.28 inch)
• Weight: 250.00 g (0.55 lb)
2 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 o (approximate) 4 hours
Operating time Varies depending on operating conditions and can signicantly
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
18 Engineering specications