Every car owner has, at some point in their vehicle ownership journey, dealt with a drained battery. If you haven't, consider yourself lucky. You might have left your car at a shop, gone on vacation, ...

A DC-to-DC charger uses excess engine-alternator current, typically redirected from the starting battery bank, to charge the house battery bank. This can also be performed by an automatic charging ...

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 ...

Not all cars are meant to be driven every day. If you own a special vehicle, such as a classic or sports car, you probably keep it tucked away somewhere until you're in the mood to take it for a spin.

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 ...

️ 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 ...