What Size Battery Does a 2009 Chevy Impala Take?

by Phil Borges // in Car

If you own a 2009 Chevy Impala, you might wonder what type of battery is best suited for your car. Luckily, we have done the research for you and compiled all the information you need to know.

What Size Battery Does a 2009 Chevy Impala Take?

The 2009 Chevy Impala requires a Group Size 78 battery with a minimum of 650 Cold Cranking Amps (CCA) and a minimum of 100 Reserve Capacity (RC). This battery size is common for most mid-sized sedans and can be found at any auto parts store. However, it is essential to ensure that the battery meets the specifications required by the manufacturer.

Why Does Chevy Impala Have Two Batteries?

Some Chevy Impala models, including the 2009 version, have two batteries. The second battery is located in the trunk and is called the Auxiliary Battery. The primary purpose of the auxiliary battery is to provide additional power to the car‘s electrical system for accessories like the police equipment, taxi meters, or radios. If your 2009 Chevy Impala is not equipped with any of these accessories, then you only need to replace the primary battery in the engine compartment.

What is Normal Battery Voltage for Chevy Impala?

The normal battery voltage for a Chevy Impala should be between 12.6 and 12.8 volts when the engine is not running. When the engine is running, the voltage should be between 13.7 and 14.7 volts. If you notice that your battery voltage is below these levels, it may be time to replace your battery.

How often should I replace the battery in my 2009 Chevy Impala?

The average lifespan of a car battery is three to five years. However, this can vary depending on factors such as climate, driving habits, and maintenance. It is important to have your battery tested regularly and replace it if necessary to avoid unexpected breakdowns.

In conclusion, if you own a 2009 Chevy Impala, you need a Group Size 78 battery with a minimum of 650 CCA and 100 RC. If your car is equipped with additional accessories, it may also have an auxiliary battery in the trunk. The normal battery voltage for a Chevy Impala should be between 12.6 and 14.7 volts, and the key fob requires a CR2032 battery. Remember to always consult your owner’s manual and follow the manufacturer’s recommendations when replacing your car’s battery.

About the author, Phil Borges

Phil Borges is a battery aficionado. He's written extensively about batteries, and he loves nothing more than discussing the latest innovations in the industry. He has a deep understanding of how batteries work, and he's always on the lookout for new ways to improve their performance.