A new app can tell you how much life your battery has left in it.

When temperatures plunge, batteries are often the first technology to falter. From cars that refuse to start to phones that ...

iFixit's new app comes with all the information you need to prolong the lifespan of your phone -- including an AI chatbot for specific guidance and a battery death predictor. Katie is a UK-based news ...

Smartphone battery life in 2025 isn’t just about how many milliamp-hours you can cram into a device anymore. Sure, battery capacity still matters, but the game has changed pretty dramatically. But ...

Maximize your long-term battery health. Image: D. Griffin Jones/Cult of Mac Adopting a few smart habits can preserve your iPhone battery health, greatly extending the device’s useful lifespan. By ...

PCWorld explains how to calibrate smartphone and laptop batteries when they display inaccurate percentage readings or cause unexpected shutdowns. Battery calibration involves fully charging to 100%, ...

Say buh-bye to dead devices.