This Small Gadget Keeps Your Car Battery Alive When It Sits for Weeks

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 vehicle sits often, a battery maintainer is the small gadget that keeps your life simple.

NHTSA calls out the battery as a winter weak spot in its winter driving tips, and that advice holds whether you drive a daily commuter or a weekend truck.

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