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.
Always store batteries on a wooden pallet or plastic shelf—never directly on concrete (which can cause discharge) and never stacked high. buy and sell car batteries
To make a profit, you need to source batteries at little to no cost or buy used ones that still have life left. Use a battery load tester to see if
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 To make a profit, you need to source
A healthy battery should read about 12.6V when fully charged.
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.
People on a budget, DIYers, or those with "beater" cars.