No matter how stacked its specs are, a laptop is useless if it can’t hold a charge. Fortunately, there are plenty of notebooks that go the distance. Using our Laptop Mag Battery Test, which involves continuous Web surfing over Wi-Fi at 100 nits of brightness, we’ve identified the longest-lasting notebooks on the market. We’re talking more than 10 hours of endurance, which should more than suffice for that cross-country fight, a long day of meetings or multiple, back-to-back classes.

