For the most part, it’s simple. Your car or truck has a battery, it supplies electricity to the bits that need it, and that’s all you care about. Until something goes wrong or you want to do something ...

I have a Sears deep-cycle lead-acid 12v battery already which I've only used once or twice a year for certain power applications. I was thinking of purchasing an identical model and wiring it in ...

(HWT Note: This is the first part in a three part series on understanding 12-volt batteries, which includes tips on improving battery function and longevity). It’s always nice talking to an expert. To ...