Greenworks 24V 13-Inch Cordless (2-In-1) Push Lawn Mower, 4.0Ah USB Battery (USB Hub) and Charger Included MO24B410

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Greenworks 24V Lithium-Ion battery provides 20% more power and run-time, and delivers fade-free power with no memory loss after charging
Up To 35 Minutes Run-Time With Fully Charged 4Ah Battery. Run-Time Varies Based on Grass Condition and Operator Technique, Front Wheels: 6 Inches , Rear Wheels: 6 Inches