https://www.homedepot.com/p/RYOBI-O...ERFORMANCE-Battery-PBLHM102B-PBP004/343179561 RYOBI ONE+ HP 18V Brushless Cordless 1/2 in. Hammer Drill with ONE+ 18V 4.0 Ah HIGH PERFORMANCE Battery (PBLHM102B-PBP004) on sale for $129. Shipping is free, otherwise select free ship to store where available.