The NEW 21" 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 NEW large 21" deck and a run time of up to 45 minutes (with included 5.0Ah battery), there will be no problems getting your job done. The advanced EGO POWER+ 56V ARC Lithium battery uses industry-leading technology to deliver Power Beyond Belief and is compatible with all EGO POWER+ products.