I’ve had great luck with NOS 18v batteries from eBay. Had to pick up a pair for an 18v trim nailer that doesn’t support their 20v adapter. My neighbor did the s

I’ve had great luck with NOS 18v batteries from eBay. Had to pick up a pair for an 18v trim nailer that doesn’t support their 20v adapter. My neighbor did the same for his 18v collection. All going strong.