· PeakPower technology allows for combined power of any 2 EGO ARC Lithium batteries.Weather Resistant Construction· Up to 80 minutes of run time on single charge with two included 56V 5. 0 Ah ARC Lithium batteries· High-efficiency brushless motor· Variable Speed Self-Propel: 0.9 MPH – 3. 1 MPH· 6-position cutting height adjustments: 1. 5"- 4"· 3-in-1 function: Mulching, bagging, side discharge; Quick and easy Push-button start; 21" deck· Bright LED headlights· 1-handed height adjustment; Power source type: Battery-Powered