

Broken AlternatorĪlternators are responsible for replenishing the battery power while the car is running. Note: If your car battery dies frequently, you probably need a battery replacement. It loses power because of cold weather conditions.The car has been inactive for quite some time.A battery terminal is corroded (common in lead acid batteries).The battery has a charging system failure.The headlights are left on for too long.A dead battery essentially indicates that its voltage is below its functional battery capacity.įor a car, the charge voltage is around 12.6 volts - that’s about the total voltage of 8 AAA batteries (1.5 volts each).

If the car doesn’t start, your battery may be dead and needs recharging. Here are a few signs indicating it’s time to recharge your car battery: 1.
