Dell Vostro 5391 Setup and specifications guide - Page 17

Battery Table 21. Battery Feature Type Specifications ● 4-cell "smart" lithium-ion (45 WHr) ● 4-cell "smart" lithium-ion (52 WHr) Dimension Width Depth Height 4.30 mm (0.17 in.) 257.60 mm (10.17 in.) 97.04 mm (3.82 in.) Weight (maximum) 0.22 kg (0.49 lb) Voltage 7.60 VDC Life span 300 discharge/charge cycles Charging time when the computer is off 4 hours (when the computer is off) (approximate) Operating time Varies depending on operating conditions and can significantly reduce under certain power-intensive conditions. Temperature range: Operating 0°C to 35°C (32°F to 95°F) Temperature range: Storage -40°C to 65°C (-40°F to 149°F) Coin-cell battery CR-2032 NOTE: It is recommended that you use a Dell coin-cell battery for your computer. Dell does not provide warranty coverage for problems caused by using accessories, parts, or components not supplied by Dell. Power adapter Table 22. Power adapter specifications Feature Type Input Voltage Input current (maximum) Adapter size Weight Input frequency Output current Rated output voltage Specifications E65W 100 VAC - 240 VAC 1.6 A Dimensions In Inches: 1.1 x 1.9 x 4.3 In mm: 28 x 47 x 108 0.29 kg (0.64 lbs) 50 Hz to 60 Hz 3.34 A (continuous) 19.5 VDC System information 17