Dell Latitude E7440 Touch Business Ultrabook Review

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Battery Life

There’s a 4-cell battery in the Dell Latitude E7440, and we tested the system against the others in our test bank to see how much work time the Latitude E7440 would offer before the battery gave out.

Battery Eater Pro
Battery Life Testing

In an attempt to quantitatively measure the Latitude E7440s' battery life in a controlled benchmark environment, we ran Battery Eater Pro. This test is designed to tax a laptop’s resources to give a feel for how long the laptop’s battery will last under heavy use. For the test, we set the T440s' display to 50% brightness and enabled Wi-Fi.






The Dell Latitude E7440 has been hitting solid marks in our tests so far, and the BatteryEater Pro is its first disappointing score. 107 minutes of battery life isn’t much no matter how you slice it, but this system finished down near the bottom of the pile. It did much better in the web browsing test, though, delivering 457 minutes of juice which was good for second place in our test bank.
 

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