A car battery charger will make sure you can ... The genius5 is no exception, combining battery charger, maintainer, trickle charger, and desulfator functions in one very small unit.

That’s why it’s handy to have an external car battery charger to ensure your engine is ready to go when you are. A charger can also help to extend the life of your battery, for instance ...

Hack a Day favorite [Mikey Sklar] is back with a new project. Mini-D is a battery desulfator. If a 12V lead-acid battery sits with a voltage below 12.3V, sulfur crystals will begin to form on the ...

You can check the condition of your car’s battery with a battery tester.If you don’t have a battery tester, use a multimeter ...