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, ...

If you've walked into a car dealership in recent years and encountered a puzzling web of cords on the floor, we've got an explanation. Modern cars, even non-EVs, rely heavily on their batteries to ...

️ 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 ...