Dell Latitude 7400 2-in-1 - Battery

Battery
Table 21. Battery Specications
Feature Specications
Type
• 52 WHr lithium-polymer 4 cell battery
• 78 WHr lithium-polymer 6 cell battery
Dimension
1 52 WHr
• Length: 250 mm (9.84 inch)
• Width: 85.80 mm (3.38 inch)
• Height: 4.99 mm (0.20 inch)
• Weight: 236.00 g (0.52 lb)
2 78 WHr
• Length: 301.67 mm (11.88 inch)
• Width: 111.36 mm (4.38 inch)
• Height: 9.09 mm (0.36 inch)
• Weight: 340 g (0.75 lb)
Weight (maximum)
1 52 WHr - 236 g (0.52 lb)
2 78 WHr - 340 g (0.75 lb)
Voltage
• 52 WHr - 7.6 V
• 78 WHr - 11.4 V
Life span 52 WHr - 300 discharge/recharge cycles
Charging time when the computer is o (approximate)
• 0~15°C: 4 Hours
• 16~45°C: 2 Hours
• 46~60°C: 3 Hours
Operating time
1 52 WHr - >= 14 Hours
2 78 WHr - >= 24 Hours
NOTE: Operating time varies depending on operating
conditions and can signicantly reduce under certain
power-intensive conditions,
Temperature range: Operating
• Charge: 0°C to 45°C (32°F to 113°F)
• Discharge: 0°C to 70°C (32°F to 158°F)
Temperature range: Storage -20°C to 65°C (-4°F to 149°F )
Coin-cell battery ML1220
Dell Power Manager Capable Yes, DPM 3.0
System specications 21