Few things are as frustrating as turning the key and hearing nothing but silence. Whether it’s a truck that’s been sitti ...

When we saw [Max.K]’s automatic NiMh battery charger float past in the Hackaday tips line, it brought to mind a charger that might be automatic in the sense that any modern microcontroller based ...

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 ...

The battery is one of those components of your car that you don't really pay any mind to until it's already malfunctioning. Unlike your engine or suspension, after all, the battery doesn't really ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Right now, you can pick up the Craftsman Wheeled Car Battery Charger ...

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 ...

“This took a dead truck battery and put life back into it like it was brand new again!” Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may ...

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 ...

The following automatic battery-charger design is created with a circuit that could qualify as the simplest window comparator ever built around a single transistor (see the figure). It starts charging ...