Battery-Powered Lawn Mower Drive Type Self-Propelled Battery Platform 56V ARC Lithium(TM) Cutting Width 21 in Deck Material Polycarbonate Discharge Location Bag Mulch Side Speed Settings Variable Drivetrain Rear-Wheel Drive Sound Level Not Applicable Run Time 60 min Recommended Yard Size - Maximum Not Applicable Recommended Yard Size - Minimum Not Applicable Number of Batteries to Operate 1 Number of Batteries Included Not Applicable Number of Chargers Included Not Applicable