Dell Inspiron 15 Battery Life

Dell Inspiron 15 Battery Life

Dell shipped our Inspiron 15 review unit with their standard 6-cell, 48Wh battery and advertise it as being able to hit up to 3 hours and 43 minutes of running time. For our battery life testing, we set the screen's brightness to a measured 100 nits.

The running time of the Inspiron 15 isn't exactly breaking any records, but it's not a showstopper and Dell should be commended for at least a measure of truth in advertising. Leaving the computer idle at about 30% brightness in the software settings resulted in a battery life two minutes longer than what Dell advertises. When we put the computer to basic use, we get a touch over three hours, which is just about the bare minimum of what a modern notebook should be able to provide. When video playback enters the equation, however, battery life takes a swan dive, losing a full hour of running time. The Inspiron 15 is still managing two hours of useful life, though, just long enough to watch a movie before having to put the machine into standby.

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