The Topdon BT200 Battery and Charging System Tester showed up at exactly the right time. I’ve gotten a couple of sporadic check engine lights from a low-voltage code with no noticeable difficulty ...

As you probably know, a battery’s charge capacity diminishes over time. If you’ve recently got an M-series MacBook, you spent a good amount of money on that laptop, so you want the battery to be ...

Need a charge? Here's how to check AirPod battery levels on your iPhone, Mac and Android so they don't die on you. RD.com, Getty Images, via merchant Immerse yourself in your favorite music. Share ...

If you have a newer device with Android 14 or above, you can directly check the battery health by searching for it in the settings app of your phone. If you have an older device, then dialing codes ...