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Some depend on a laptop’s battery more than others, but no shopper should ignore battery life. Even workstations and gaming laptops, once lucky to last an hour away from a wall socket, can now get you through a workday with ordinary tasks. (Most ultraportables now run anywhere from 12 to 20 hours or more.) At PC Labs, we’ve been assessing laptops for decades, rigorously testing each of the 100-plus machines we review yearly. Our expert laptop reviewers run a standardized battery-rundown…
