As of 2015, Costco carries Kirkland and/or Interstate brand batteries. The two brands are very similar, but the majority of Costco stores replaced Kirkland brand with Interstate brand in 2014.Continue Reading
The main difference between the Kirkland and Interstate brands at Costco is the warranties. Kirkland batteries came with a graduated 100-month warranty; replacement batteries are free for up to 36 months (three years), and a percentage of the price is refunded after that. Interstate batteries come with a 42-month (3.5-year) free replacement warranty, without any warranty beyond that. Even though Interstate has largely replaced Kirkland at Costco, Kirkland warranties are still honored.
The Costco website does not indicate that it carries car batteries, and car batteries must be purchased in-store, not online, from Costco. However, there are a number of other stores that allow for both online and in-store purchase of car batteries, such as Walmart and BJ's Wholesale Club. Walmart primarily carries the brands EverStart, Chrome, Battery Tender, Schumacher and MotoBatt. BJ's primarily carries the Exide brand.
All brands have different sizes and types of batteries to fit many different vehicles. To determine which particular battery is needed, enter the year, make, model and engine type of the vehicle at Battfinder.com, a website sponsored by Walmart and EverStart. The vehicle's user manual should also have information related to the battery.Learn more about Car Parts & Maintenance