$9 per ah hour on Ryobi High Performance battery (2 ah, 4 ah, 6 ah battery) via free tool and return. Plus the charger and bag included.
Add the 1/2 impact wrench as the free tool which will bring the battery kit to $107.61 (69% off regular price) and return the impact wrench to store or flip the item.
https://www.homedepot.c