Dell XPS 13 Specifications page 18

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Battery
Type
Dimensions:
Width
Depth
Height
Weight
Voltage
Charging time (approximate)
Operating time
Life span (approximate)
Temperature range:
Operating
Storage
Dimensions and System
Weight Information
Display Keyboard
Specifications
6‑cell 'smart lithium' ‑ 55 Whr
4.45 inches (113.16 mm)
11.30 inches (287 mm)
0.20 inches (5.16 mm)
0.68 lb (310 gm)
7.4 V
4 hours when computer is off
Varies depending on operating conditions and can significantly reduce under
certain power‑intensive conditions
300 discharge/charge cycles
0 °C to 35 °C (32 °F to 95 °F)
–20 °C to 65 °C (–4 °F to 149 °F)
Ports and
Memory
Connectors
Camera Touchpad
Communications Video
Battery Power Adapter
Audio Storage
Computer
Environment