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 ...

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.

The humble battery charger has evolved to a smart, microprocessor-controlled battery charger-maintainer, able to detect weak batteries and—to an extent—“repair” them, alert the operator to dangerous ...