If your Apple AirPods seem to die faster than they used to, you're not imagining it — and according to a new Engadget explainer, the cause might not be what you think.

The piece examines why the earbuds run out of juice ahead of schedule and what users can actually do to extend their time between charges. That framing matters because AirPods battery complaints are usually blamed reflexively on simple battery aging, when usage patterns, settings, and charging habits all play a role in how quickly a pair drains day to day.

Tiny earbuds are a brutal engineering environment for batteries: the cells are small, they cycle constantly between the buds and the charging case, and features that make AirPods convenient also keep radios and sensors busy even when you're not actively listening. Small lithium-ion cells also degrade on a faster relative curve than the larger batteries in phones and laptops, which is why a two-year-old pair rarely matches its original endurance.

The upshot of the guide: diagnose before you replace. Understanding what's actually eating the charge — and adjusting the behaviors and settings responsible — can buy meaningful extra life from a pair you already own.