The battery indicator in your dashboard, much like the check engine light, is vague. It may be nothing serious, or it could necessitate an immediate fix.

Battery percentage is an estimate, not a precise measure of remaining charge. High-end phones use coulomb counting; cheap/old phones guess from voltage and are less accurate. Battery capacity shrinks ...

Battery-powered tools bring convenience to the workspace, but battery ecosystems are complicated, and even a brand like Milwaukee runs into problems.

Take smart rings. They're bands of metal or plastic containing a tiny rechargeable battery. Most of these items go through their lives doing what they're supposed to do, until the battery is exhausted ...

Though it might seem like science fiction, scientists are working to build nanoscale molecular machines that can be designed for myriad applications ...

The battery on a Samsung Galaxy Ring swelled on a tech influencer’s finger, before it was ultimately removed by a medical professional.