The Matco Tools Infinium Line of Power Tools, including the charge station and batteries, are sold individually as well as in kits, so tech's can purchase the ideal arrangement of products that can grow and adjust for changing needs. With Matco's Universal Charger you have the ability to charge all three battery voltages (10.8V, 14.4V, 18V) with one convenient charger. The new 18V 1/2" impact provides 725 ft./lbs. of breakaway torque while the 14.4V 3/8" impact provides 275 ft./lbs. of breakaway torque.