Most auto parts stores (AutoZone, Advance Auto) will give you a $10–$22 store credit gift card for every battery you bring in.
Small local garages often have piles of "core" batteries. While they usually have a contract with a recycler, they might sell them to you for a few dollars above the scrap rate if you buy in bulk. Auction Sites: Look for "lot" sales of automotive parts. 2. Testing and Refurbishing
Use a battery load tester to see if it holds voltage under stress. If it drops below 9V during a 10-second crank test, it’s likely bad. buy and sell car batteries
Always store batteries on a wooden pallet or plastic shelf—never directly on concrete (which can cause discharge) and never stacked high.
Check Facebook Marketplace, Craigslist, or Nextdoor for "parting out" posts or people cleaning out garages. Many will give them away just to have them hauled off. Most auto parts stores (AutoZone, Advance Auto) will
To make a profit, you need to source batteries at little to no cost or buy used ones that still have life left.
Whether you are looking to clear out your garage or start a side hustle, the market for car batteries is surprisingly robust. Because they contain valuable lead and hazardous acid, they are never "junk"—they are either a core component for recycling or a refurbishable asset. 1. Buying: Finding the "Hidden" Inventory Auction Sites: Look for "lot" sales of automotive parts
They pay cash by weight. Prices fluctuate based on the global market price of lead. This is the best option for batteries that are physically damaged or won't hold a charge. 4. Safety and Legal Basics