Posted on 5/30/2025
Few things are more frustrating than heading out in the morning, turning the key—or pressing the start button—and hearing nothing but a weak click. If your battery keeps dying faster than it should, something isn’t right. Car batteries are designed to last several years and hold a charge for days, even weeks, without driving. So when they start draining overnight or unexpectedly, it’s a sign that something’s pulling power when it shouldn’t. If your battery can’t hold a charge or goes dead too often, here are the most common causes and what you can do about them. 1. Parasitic Battery Drain Even when your car is turned off, certain systems—like the clock, alarm, or keyless entry—continue drawing a tiny amount of power. That’s normal. But if something else is staying on when it shouldn’t, it can drain the battery in a matter of hours. This is called a “parasitic drain,” and it&rs ... read more