This double-duty machine delivers great service. The Greenworks dual blade lawn Mower's 40v, 4ah lithium ion battery gives it a runtime up to 60 minutes with more power for the toughest lawns. Innovative high-speed twin 10 inch blades let you finish your work faster with a 20 inch total cutting width and excellent mulching ability. Single-lever 5-position height adjustment between 1 ¼ inch and 3 1/8 inch lets you choose the best cut for your yard. This mower's lightweight poly deck is extremely durable and easy to push through any yard, while the 10 inch rear and 7 inch front wheels allow maximum maneuverability. Rear bag and mulch functions convert easily without tools. Also available: li-ion 40v 4.0 ah battery, item 32911. Automatic battery switchover pulls power from the second battery once the first is depleted to eliminate downtime.

• G-MAX 40V Li-Ion Battery System powers multiple tools for complete yard work system--includes (1) 4AH Battery, (1) 2AH Battery, and Charger
• 20-Inch cutting deck offers a great balance of maneuverability and cutting capacity making it ideal for mid-sized areas
• Innovative Smart Cut technology adjusts for power or runtime based on the thickness of your grass
• Dual blades offer better cut quality, superior mulching and bagging capabilities. Automatic battery switchover pulls power from the second battery once the first is depleted to eliminate downtime
• Kindly review the user manual under Technical Specification for troubleshooting steps and set up instructions

G-MAX 40V Li-Ion Battery System powers multiple tools for complete yard work system--includes (1) 4AH Battery, (1) 2AH Battery, and ChargerSunrise Global Marketing, LLC