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.

A battery can feel “fine” right up until it isn’t. Cold weather cuts output. Short trips don’t refill the charge. Let a car sit for two weeks, and the first start can turn into a sad click. If your ...

Cold snaps turn “fine” batteries into dead weight, especially if your car sits. A smart battery maintainer keeps charge steady so you start clean tomorrow. Battery maintainers prevent dead starts, ...