Description ValuesHeight 95.90 mm (3.78 in.) 95.90 mm (3.78 in.) 95.90 mm (3.78 in.) 95.90 mm (3.78in.)Width 181 mm (7.13 in.) 181 mm (7.13 in.) 181 mm (7.13 in.) 181 mm (7.13 in.)Depth 7.05 mm (0.28 in.) 7.05 mm (0.28 in.) 7.05 mm (0.28 in.) 7.05 mm (0.28in.)Temperature range:Operating 0°C to 50°C (32°F to122°F)0°C to 50°C (32°F to122°F)0°C to 50°C (32°F to122°F)0°C to 50°C(32°F to 122°F)Storage -20°C to 60°C (-4°F to140°F)-20°C to 60°C (-4°F to140°F)-20°C to 60°C (-4°F to140°F)-20°C to 60°C(-4°F to 140°F)Operating time Varies depending onoperating conditions andcan significantly reduceunder certain power-intensive conditions.Varies depending onoperating conditions andcan significantly reduceunder certain power-intensive conditions.Varies depending onoperating conditions andcan significantly reduceunder certain power-intensive conditions.Varies dependingon operatingconditions andcan significantlyreduce undercertain power-intensiveconditions.Charging time(approximate) 4 hours (when thecomputer is off)NOTE: Control thecharging time,duration, start andend time, and so onusing the Dell PowerManager application.For more informationon the Dell PowerManager, seeMe andMy Dell onwww.dell.com/4 hours (when thecomputer is off)NOTE: Control thecharging time,duration, start andend time, and so onusing the Dell PowerManager application.For more informationon the Dell PowerManager, seeMe andMy Dell onwww.dell.com/4 hours (when thecomputer is off)NOTE: Control thecharging time,duration, start andend time, and so onusing the Dell PowerManager application.For more informationon the Dell PowerManager, seeMe andMy Dell onwww.dell.com/4 hours (whenthe computer isoff)NOTE:Control thechargingtime,duration,start andend time,and so onusing theDell PowerManagerapplication.For moreinformationon the DellPowerManager,seeMe andMy Dell onwww.dell.com/Life span (approximate) 300 discharge/chargecycles300 discharge/chargecycles300 discharge/chargecycles1000 discharge/charge cyclesCoin-cell battery CR2032 CR2032 CR2032 CR2032Operating time Varies depending onoperating conditions andcan significantly reduceunder certain power-intensive conditions.Varies depending onoperating conditions andcan significantly reduceunder certain power-intensive conditions.Varies depending onoperating conditions andcan significantly reduceunder certain power-intensive conditions.Varies dependingon operatingconditions andcan significantlyreduce undercertain power-Technical specifications 19