Whether you're dealing with a dead battery on a cold morning or just trying to maintain your car during long periods of no driving, knowing how to properly charge a car battery is important. A ...

Automatic battery chargers can be awesome tools to have in the shop. They take all the guesswork out of making sure your batteries are full of that sweet, sweet juice you need to crank your engine to ...

As with many modern conveniences, a vehicle's health hinges on its power source. Battery maintenance is an accessible skill regardless of your experience level. It's also arguably one of the most ...

If you've ever turned the key and heard that dreaded click instead of the roar of your engine, you know just how crucial a reliable car battery can be. Whether you're maintaining a weekend cruiser, a ...

We may receive a commission on purchases made from links. Electric cars may be all the rage these days, but even before we had cars entirely powered by electricity, batteries were still vital ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Car batteries are like avocados: they always seem to go bad at the worst possible times. So, what do you ...

Your iPhone battery is in the red, but you have to leave the house soon (or just need your TikTok fix). This Shortcut will let you know how long it'll take to charge up your phone. I've written for ...

A DC-to-DC charger uses excess engine-alternator current, typically redirected from the starting battery bank, to charge the house battery bank. This can also be performed by an automatic charging ...

When Optimized Battery Charging is on, your iPhone won't fully charge until you need to use it, keeping the battery healthy.