The EGO Power+ 56-Volt Lithium-Ion 20” Self-Propelled Mower delivers the torque of gas. No other cordless mower matches or surpasses the power of gas mowers, making the EGO Power+ Mowers a true gas replacement lawn mower. EGO delivers the power and performance of gas without the noise fuss or fumes. A 20” steel deck, a 60-minute run time, a brushless motor and a variable-speed, self-propelled system are just a few of the features that make this mower incredible. The EGO Power+ 56-Volt battery uses industry-leading Arc-Lithium™ technology to deliver Power Beyond Belief™. All EGO Arc-Lithium™ batteries are compatible with all EGO Power+ products.