[Demo] Battery Week: Five Wearables, One Clear Winner

We wore five of the season’s most-hyped wearables for a week straight — sleeping, running, and doomscrolling in all of them — to answer one simple question: which one deserves your wrist? The short answer is that battery life, not sensors, decided it.

On paper, the five watches look interchangeable: heart-rate tracking, sleep scores, GPS, and a screen bright enough to read in sunlight. In practice, they diverged fast. Two needed charging every night, which meant sleep tracking — the feature we cared about most — became a chore instead of a habit.

The winner lasted six full days with the always-on display enabled, tracked a marathon-length run without dropping GPS, and never once made us think about its charger. Its sleep data matched our dedicated tracker within a few percentage points, and the companion app, for once, explained what the numbers actually meant.

The takeaway isn’t that the other four are bad — they’re all competent. It’s that wearables have quietly become a battery-life category first and a features category second. Buy the one you can forget to charge, because the best health tracker is the one that’s actually on your wrist.