The EGO 21 inch Power + Mower is the first lithium-ion mower to exceed the power of gas. Receive all the torque of gas without the noise, fuss and fumes. The EGO 56V Lithium-Ion Mower delivers long-lasting power, rapid charging and durability in all weather conditions. Equipped with a large 21 inch deck, a run time of up to 45 minutes with 5.0Ah battery, to cut your entire lawn. Compatible with all EGO Power+ ARC Lithium batteries available separately to deliver Power Beyond Belief.