Details: Offering the torque of gas without the noise, mess and fumes. The EGO Power+ 21 Self-Propelled Mower with Peak Power delivers outstanding power and extended run time. EGO s PeakPower technology combines the power of two EGO POWER+ 56V 5. 0 Ah ARC Lithium batteries for a longer power draw resulting in exceptional performance. With up to 80-minutes of cut time, this mower tackles even the toughest of mowing applications on a single use for all grass types. The easily adjustable deck height enables you to cut at any length. Thanks to a sleek and lightweight construction, moving and storing the lawn mower is hassle-free as it folds compact. The advanced EGO POWER+ 56 Volt batteries uses industry-leading ARC Lithium technology to deliver superior power and is compatible with all EGO POWER+ products.