Costco sells highly-rated Interstate batteries (often under the Kirkland label) for $95–$135, though they generally do not provide installation services.

For standard household batteries, price per unit is the most important metric.

Car battery shopping often involves balancing price with the convenience of installation.

Walmart and Target are reliable for both name brands like Duracell and affordable store brands like Great Value or up&up .

Costco and Sam’s Club offer some of the best values for bulk purchases, often bringing the cost per battery down to approximately $0.25 to $0.40 .