GreenWorks, one-battery fits all Pro 80V system includes over 20+ tools to choose from. Any tool, any time, GreenWorks has you covered. Our commercial grade pro 80V system is perfect for the professional & those yd warriors wanting more power. Great for ydup to 1 acre with a battery run-time ofup to 60 Min. The GreenWorks 80V 21″ Cordless lawn Mower features a durable steel deck, large 10″ Rear wheels, & smart cut(tm) load sensing technology. Light weight & easy to use & Features an all-wheel single lever Height adjustment.