In this comprehensive tutorial, you'll learn how to make a battery charger from scratch! Whether you're a DIY enthusiast or a curious beginner, this step-by-step guide will walk you through the entire ...

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… ...

The USB Wall Charger and Surge Protector takes one outlet and transforms it into a way to charge nine items at once.

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.

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

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, ...

But if a boat has one small starter-cranking battery and a larger house battery, they won’t discharge at the same rate. A 10/10-amp charger will likely waste one leg’s 10-amp power in idle because the ...