If your car battery frequently drains without any apparent cause, it's probably down to faulty wiring or a component drawing ...

If you have a faulty alternator or just plain bad luck, finding out your car's ... for a new battery. Other signs of low battery life include dim headlights and the smell of burnt wiring.

This time, it’s just wired into a $50,000 car. The 12-volt battery drain is quietly becoming the Achilles’ heel of modern EVs, and worse, not a single manufacturer seems to know how to fix it.

It now has 2,200 miles on it. We went away for six days and upon returning the battery was dead. Nothing was left on. The car was taken to the dealership and looked at. I received a call from a ...