Editor In Chief

Learn the most common reasons a car battery keeps dying, how to diagnose the real cause, and what fixes prevent repeat failures.

Yes—a failing alternator can drain the battery and shut a car down while driving. Learn the warning signs, causes, and next steps.

Learn how to charge a car battery, which charger to use, and the safety steps that prevent damage and get your vehicle starting again.

Yes, a bad alternator can drain a battery by failing to recharge it or by creating a parasitic draw. Here’s how to tell the difference and fix it.