Dell Alienware 15 R4 Setup and Specifications - Page 21
Touchpad gestures, Battery - weight
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Touchpad gestures For more information about touchpad gestures for Windows 10, see the Microsoft knowledge base article 4027871 at support.microsoft.com. Battery Table 14. Battery specifications Type 4-cell "smart" lithium-ion 6-cell "smart" lithium-ion (68 WHr) (99 WHr) Weight (maximum) 0.33 kg (0.72 lb) 0.43 kg (0.94 lb) Voltage 15.20 VDC 11.40 VDC Dimensions: Height 13.50 mm (0.53 in) Width 259.60 mm (10.22 in) Depth 89.20 mm (3.51 in) Temperature range: Operating 0°C to 35°C (32°F to 95°F) Storage Charging time (approximate) Life span (approximate) -20°C to 60°C (-4°F to 140°F) 4 hours (when the computer is off) 300 discharge/charge cycles Coin-cell battery Operating time CR-2032 Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions. 21