Dell Inspiron 20 Manual page 18

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Battery
Type
Dimensions:
Width
Height
Depth
Weight (maximum)
Voltage
Operating time
Life span (approximate)
Temperature range:
Operating
Storage
Coin‑cell battery
Dimensions and System
Weight Information
Media‑Card
Display
Reader
Specifications
4‑cell 58 WHr lithium ion
NOTE: Your computer may not support a battery depending on the configuration
you ordered.
489.50mm (19.27 in)
28.30 mm (1.11 in)
313.58mm (12.35 in)
0.32 kg (0.71 lb)
19.50 VDC
Varies depending on operating conditions and can significantly reduce under
certain power‑intensive conditions.
300 discharge/charge cycles
–3°C to 60°C (26.6°F to 140°F)
–20°C to 70°C (–4°F to 158°F)
CR 2032
Ports and
Memory
Connectors
Camera Power Adapter
Communications Video
Computer
Battery
Environment
Audio Storage