40V 4.0Ah Battery

Perfect for yards up to 1/2 acre, Greenworks 40V tools are lightweight, start instantly, and require virtually no maintenance- no gas, no oil, no mess -but still deliver gas-like power.

• High performance 40V 4.0Ah lithium-ion battery delivers fade-free power with no memory loss after charging
• This40V battery system powers 75+ tools offers a complete lawn care solution
• Easy to use design snaps in and out of tools
• Quick charge time of 120 minutes
• 3 Year Limited Battery Warranty