If you’re off-roading, it’s a neat idea to use your engine to top up your battery, which prompted Bluetti to launch the Charger. You could hook it to your alternator and draw off energy as you drove ...

“The batteries hold up for a good amount of time.” The Craftsman 20V Power Tool Battery 2-Pack with Charger is on sale for $84, 44% off its list price of $149. We’ve covered the pair of Craftsman 4Ah ...

View post: The 2026 Chevrolet Equinox Has Many Trims, but Only One Is the Smart Buy The Milwaukee M18 Redlithium Forge Battery-Charger Kit is $169 at Walmart right now, 39% off the $279 it’ll normally ...

The Home Depot has some nice little discounts going on two-batteries-plus-charger kits from Ryobi, Rigid, and Milwaukee. If you run tools from any of those brands, or are thinking about getting into ...

Learn how to create a reliable 12V battery backup circuit for routers, LED lights, or small electronics. This step-by-step tutorial is perfect for DIY electronics enthusiasts and beginners alike.

A couple of decades ago, having a dead battery usually meant pulling out jumper cables and hoping your friendly neighbor (if you didn't own a secondary car) would be kind enough to give you a jolt to ...

This article was updated with new information in December 2025. A vehicle’s performance starts–no pun intended–with its power source, making battery care one of the most important—yet ...

A charged battery is a happy battery. Keeping your car’s battery properly charged is essential to long life and reliability. When you drive, your car’s charging system keeps your battery topped up.

Over on Hackaday, Max.K has shared their design for a charger that can automatically load and eject rechargeable AAs. Using it is as easy as dumping dead batteries in the top, and grabbing fully ...

Keeping your raft operational requires a steady supply of power. While electronic devices rely on batteries, those batteries don’t last forever. Raft offers a solution: the Battery Charger. This ...