A battery monitor is like a gas gauge, showing you how much electrical power is left (known as state of charge) as well as other vital signs. Today adding a monitor to a boat battery is easier than ...

Potentially one of the best features to hit the iPhone in the past few years was Optimized Battery Charging. First introduced a year ago with iOS 13, Optimized Battery Charging was designed to reduce ...

When it comes to the Apple Watch, “all-day battery life” is Apple’s party line—but what that really means is an 18-hour battery cycle. If you want to push it over a day, you need to stick to light use ...

We were seriously impressed with Google’s latest version of the Nest Doorbell, a battery-powered video doorbell cam with great A.I. detection features that fits perfectly into the Nest ecosystem of ...