They sell batteries
They do have Car Batteries in Walmart. When you go down the Aisle they have Booklets and/or a Digital Kiosk to input the Make and Model of your Car in order to tell you what Car Battery is Compatible. Different Brands have different Prices. I remember 20 years ago I could buy a Car Battery at Walmart for around $50-$60 Range. I would assume it's doubled in Price.
You would either have to call them or if you Google car batteries, you will be able to see the ones that Walmart sells.
$119.84 for a everstar battery.
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