However, at $5,199.99 it’s easily the most expensive model we’ve tested. If you hate the smell that comes from the exhaust of a gas-powered motor, then this electric choice is best for you. This powerful self-propelled lawn mower delivers the gas equivalent performance to a 160 cubic centimeter gas engine. This unit cannot be converted… Continue reading Greenworks Pro 60V Brushless 21 in Cordless Battery Walk Behind Push Lawn Mower with 2.0 Ah Battery and Charger, 2531602VT at Tractor Supply Co.