Quickly mow up to 1/2 acre on a single charge, then fully recharge battery in just 60 minutes. This lightweight, quiet-running self-propelled, rear-wheel-drive mower has variable speed control for mowing at comfortable speeds; SmartCut Technology that constantly monitors grass conditions, then automatically adapts to provide the perfect amount of power needed to get the job done; cutting blades that won~t bog down in tall, wet, or thick grass. Greenworks exclusive Intelligent Power provides constant, fade-free power with no dangerous emissions; and combines Brushless motor technology, lithium-ion battery power, superior cutting, and ultra-fast control systems for powerful output. Includes 4.0 Ah battery and rapid charger. Battery is compatible with 75+ Greenworks 80V products. Life. Powered. By Greenworks.