2024 Laptops With The Longest Battery Life 2024. The dell xps 13 previously held the best battery life title with a time of 19 hours and 1 minute. See all our test results.

The best windows laptop we’ve tested in 2024 so far is — drumroll, please — the hp omnibook x. On the tom’s guide battery test, the new air averaged 15 hours and 13 minutes,.