The 12-volt battery is one of the least complex components in modern vehicles but one of the most crucial. If it’s not in good condition, the engine won’t start, nor can any of the vehicle’s fancy ...

We all want our phone battery to last longer throughout the day. But most people don’t realize that when you charge your ...

If you've ever turned the key and heard that dreaded click instead of the roar of your engine, you know just how crucial a reliable car battery can be. Whether you're maintaining a weekend cruiser, a ...

An offline battery charger — using the Unitrode UC3906 battery charger controller chip and a Vicor Maxi, Mini, Micro Series DC-DC converter module — provides design flexibility, small size, and high ...

️ Editor's note: This article was updated with new information in December 2025. Dead batteries are a predictable reality for any car that spends more time parked than driven. Battery discharge does ...

We may receive a commission on purchases made from links. Across major power tool brands, DeWalt lands at or near the top spot in many brand rankings. You'll often find its yellow-and-black power ...

Fast charging is convenient, but it raises questions about heat, battery wear, and long-term iPhone health. Here's what ...

Automatic battery chargers can be awesome tools to have in the shop. They take all the guesswork out of making sure your batteries are full of that sweet, sweet juice you need to crank your engine to ...

Trickle chargers and smart chargers with testing and maintenance capabilities serve the common purpose of charging batteries, but they differ in their functionality, efficiency, and features. So with ...

As with many modern conveniences, a vehicle's health hinges on its power source. Battery maintenance is an accessible skill regardless of your experience level. It's also arguably one of the most ...

“It is small, compact, charges quickly, and is great for an emergency.” Right now, the Gped 20A 12V/24V Car Battery Charger is on sale for only $42 (58% off), and it’s built to handle everything from ...