Battery-Powered Lawn Mower Kit 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 80 min Recommended Yard Size - Maximum Not Applicable Recommended Yard Size - Minimum Not Applicable Number of Batteries to Operate 2 Number of Batteries Included 2 Number of Chargers Included 1 Battery Capacity 5 Ah