Features and Benefits 650 in-lbs stall torque. Less than 4.5 lbs with Lithium Ion battery (battery sold separately). 0-360/1300 rpm Engineered Composite Housing with patent pending metal subframe for unbreakable strength. Two speed all metal gear train for the ultimate in power and durability. The IRTD650 provides the most power per pound of any cordless. drill/driver in it's class. Patented IQv technology supplies maximum performance, durability, and battery life. The IRTD650 is compatible with both Lithium Ion and Nickel Cadmium 19.2V IQv batteries. Industrial keyless ratcheting chuck with carbide steel teeth ensures increased power and durability. The IRTD650 is ideal for all drilling, boring, fastening, and screwing applications.