A car battery is a crucial component that plays a vital role in the operation of a vehicle. Its primary function is to provide electrical energy to start the engine and power various electrical ...

Your car only starts reliably because two electrical workhorses share the load. The battery delivers instant power on demand, ...

Car batteries tend to die at the most inconvenient moments, so periodic testing is the best way to avoid these troubles. Knowing what causes repeated battery failures can help you stay ahead of the ...

Your car's 12-volt battery is one of its most vital components. It's responsible for sending electricity to the starter motor, which, in turn, sends power to the ignition system and cranks the engine.

Batteries can hold a charge for up to four weeks, depending on their condition. However, batteries older than three years ...

Cold mornings can quickly turn into a nightmare when you try to start your car and the engine just won’t turn over. In freezing temperatures, your battery h ...

Dead batteries strike without warning, but your car actually telegraphs the punch. When your engine refuses to turn over on a Tuesday morning, you’re facing an expensive guessing game: battery, ...

There's no greater disappointment then getting ready for a night on the town, or packing up your car for a nice trip, and your car battery is dead. Next comes the question: is my car battery at the ...

️ 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 ...