The WBT21 is also a watch battery tester with a big voltage display that will precisely test Silver Oxide 1.55V, Alkaline ...
How to: Go to Settings > Display on your Android phone. There, you'll find the option to switch between a light and dark theme and to have dark mode turn on automatically at a certain time of day. I ...
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.