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

When your cell phone falls in the water, you don't necessarily need to start shopping for a replacement right away. If you quickly dry out the phone and its battery, the device may survive the ...

Smartphone battery life has hit a ceiling. While the industry continues to search for a replacement for the lithium-ion batteries that have us reaching for the charger every night (or sooner), ...