To replace an AirTag battery, you'll need a new CR2032 3-volt lithium battery, and it helps to have a pair of rubber gloves.

Over the past decade there have been a few attempts to replace the traditional computer mouse with a lighter and faster gadget, but none of them seemed to fully meet users’ needs. The Prolo Ring is ...

The WBT21 is also a watch battery tester with a big voltage display that will precisely test Silver Oxide 1.55V, Alkaline ...

While Mashable has yet to perform nuanced battery testing of our own, we at least have official spec sheets to go off of ...

Small flashing red lights and chirping sounds every 30 to 60 seconds can mean it’s time to change a smoke alarm’s battery. Some models may have a green flashing light or announce “low battery,” so ...

It can be hard to find the best movies on Netflix. We all understand the struggle of scrolling time—hours lost to wading through all of the Netflix movie options that could instead have been spent, ...

If you want to manage apps running in the background, open the Recent apps screen again and tap Active in background. You can then select the specific app you want to close. To optimize your phone's ...

As clocks fall back and daylight hours shift, the seasonal time change offers more than just a reminder to reset your ...