If you pop your Milwaukee battery into its charger, and the red and green lights start flashing, that indicates there's a ...

When we saw [Max.K]’s automatic NiMh battery charger float past in the Hackaday tips line, it brought to mind a charger that ...

I own a lot of motorcycles. Like, a lot a lot. At last count I believe I had 14 bikes in various states of repair — from ...

If your laptop isn't charging, it could be having trouble detecting the charger. Try using a different charger or try ...

Which is precisely what the Smart Multipurpose Battery Tester from [Open Green Energy] is hoping to address.

A new study that suggests electric-vehicle batteries could last up to 40% longer than previously thought underscores how ...

Imagine a chilly winter morning. You're ready to start your day, coffee in hand, only to find your car refusing to start. The culprit?

Q: I live in Chicago and have a deep-cycle battery for my pop-up camper that I keep in my unheated garage between trips. I have it on a maintenance charger. Should I bring it indoors during the ...

We tested hundreds of products throughout the year. Check out our favorite outdoor power tools from our various tests in 2024 ...

Yes. That’s why our first choice is a trickle charger — sometimes called a battery tender. It plugs into a wall socket, ...

When your watch needs a charge, this keychain power bank comes in clutch — and it's 20% off on Amazon right now.