Nerd Ralph loves cheap and dirty hacks, and for that we applaud him. His latest endeavor is a LiFePO4 battery charger that he made out of parts he had on hand for under $0.50 US. (Although we think… ...

Costco sells several EV chargers, and members may turn to it reflexively. There are other options in the world, though, that ...

The battery charger sends out a series of electrical pulses to break up the lead sulphate. Hooking up one or two batteries and leaving them for a full 24-hour cycle should recondition the battery.

Choosing the correct charger for your lawn mower's battery is the important first step to keeping it fully charged and ready ...

They’re extremely easy to use, while also being inexpensive and durable. Our #1 pick for solar battery chargers is Battery Tender’s Solar Maintainer, an all-in-one solar charger. It’s well-built, ...

This “little ball of power” is going to replace my power strip and make a beautiful addition to my nightstand.