Mud Mixer, Voltage 18V DC, Number of Speed Settings Continuous, Number of Handle Positions 16, Maximum Mixing Speed 550 RPM, Maximum Motor Speed 550 RPM, Brushless Motor Yes, Cordless Tool Kit Contents (1) Bare Tool, Battery Capacity 5.0 Ah, Battery Model Number 48-11-1850, Battery Series M18 REDLITHIUM, Charger Included No, Charger Model Number 48-59-1812, Chuck Size 1/2 in, Chuck Type Keyed, Compatible Container Capacity 5 gal, Includes Chuck Key, Mud Mixer Style Single-Paddle