The battery is the heart of a vehicle. Along with the engine, it’s also responsible for powering the other electrical systems in a car. Since this component is important to a car’s functionality, you need to make sure it is working properly. If you’re unfamiliar with auto repair and maintenance, here are three signs that indicate it’s time to replace a car’s battery.

How to Know When a Car Battery Needs to Be Replaced

1. Old Battery

The general life span of a car battery is between three and five years. However, how well it is maintained plays a big role in how it ages. Proper maintenance steps include cleaning the battery to prevent corrosion, keeping it warm in extremely cold temperatures, and turning off interior and exterior lights after exiting the vehicle. 

If the battery is nearing the end of its life span but seems to be working fine, have it tested at an auto repair shop—a mechanic will use a multimeter to detect how much charge is left. If your older battery has a measurement below 12.6 volts, it may be beneficial to invest in a replacement.

2. Swollen Case

The shape of a car battery should be rectangular, but sometimes the casing can become bloated and misshapen. This happens when excessive heat causes a buildup of hydrogen gas. If this is left unaddressed, the gas will continue to build until it bursts.

Attempting to drive a car with a swollen battery is hazardous. If you notice your battery has taken on an odd shape, have it replaced by an auto repair professional as soon as possible.

3. Slow-Starting Engine

Starting a car requires energy from the battery. If it is taking a long time for the engine to turn over, your battery may not be providing it with enough power. Unfortunately, this is one of the final signs of a dying battery and could potentially leave you unable to drive the car or stranded on your next trip.

If you’re searching for a trusted auto repair shop to assist you with a car battery replacement, contact Moore & Son's Automotive in Anchorage, AK. With 30 years of experience in the auto maintenance industry, these professionals provide repair services for both foreign and domestic cars. They also have a wide selection of tires to fit vehicles of all sizes. Visit them online for more information about their services, or call (907) 561-1994 to speak with a mechanic to schedule an appointment.