The EGO POWER+ 21” Self-Propelled Mower delivers the torque of gas without the noise, fuss, or fumes. This cordless lawn mower delivers up to 60 minutes of runtime on a single charge with the recommended 56V 7.5Ah ARC Lithium™ battery (available separately).Easily adjust the variable speed self-propel from . 9 to 3.1 MPH. The electric lawn mower delivers precision cutting across six cutting height positions from 1.5 to 4 inches, adjustable with one hand. Three-in-one functionality delivers your choice of mulching, side discharge, or bagging your grass clippings; an easy-access two-bushel grass collection bag is included. This self-propelled lawn mower includes bright LED lights for added visibility when mowing at dawn or dusk, and it folds flat for compact storage between cuts. Experience Power Beyond Belief™ with the EGO POWER+ 21” Self-Propelled Lawn Mower.