Amazon offers the Ingersoll Rand 1/2" Hi-Torque Impact One Battery Kit for an in-cart price of $233.07 with free shipping. That's the lowest price we could find by $104. It features 780 ft-lbs. of maximum reverse torque and 1,100 ft-lbs. of nut-busting torque. It includes the tool, charger, battery, and a case.