The Advolution walk-behind battery burnisher delivers consistent and even polishing with a self-regulating pad pressure and a floating, flexible pad driver. This eliminates the need for operators to make adjustments to the pad pressure. The Advolution 20B is a pad assist model, while the 20BT model has powered traction drive.
Pad Driver Diameter: 20". 3) 12V, 200 AH wet batteries, on-board charger. Pad Motor: 2.5 hp.