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 ...

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

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?

To find out whether or not the problem even has anything to do with the laptop at all, try plugging the power cord into a ...

At the heart of the risk with lithium-ion batteries is thermal runaway, a chemical reaction unique to lithium-ion batteries ...

Discover the best battery life phones you can buy in 2024. Find smartphones that offer long-lasting power, perfect for ...

The simplest way to slow charge is to use a charger with a lower amperage output than the maximum the battery or device can ...

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.

This "Amazon's Choice" device is a 2000mAh power bank, AM/FM & NOAA weather radio and crank-powered flashlight in one. It has ...

Save 57% on this portable and wireless Apple Watch charger that comes with USB-A and USB-C connectors for only $29.99 (reg.