Dell XPS 13 (9333, Late 2013) - Manual (Page 18)

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