Includes (1) Max Capacity 4 AH - 40V Lithium Battery , Cutting Heights - 5 Position Durable 20'' Steel Deck lets you Mulch, Bag, or Side Discharge allowing you to maintain your yard the way you want it. This Lawn Mower is not self-propelled Innovative Smart Cut technology automatically increases the speed of the blade when more power is needed Our dual battery port design enables one battery to be stored while the other fuels the mower for uninterrupted cutting; saving a you a trip to the garage Up to 55% of U.S. homes only need one charge to get the job done 10" rear wheels and 7" front wheels make it easy to maneuver through any range of terrain