Search query: greenworks 40v battery for lawn mower

Product: Greenworks 40V 4.0Ah Lithium-Ion Battery High Performance G-MAX 40V 4.0 Ah Lithium-Ion Battery delivers fade-free power with no memory loss after charging
On-board battery 'fuel' indicator allows for on-demand reference of remaining power
One battery system for 50+ tools offers a complete yard work solution
Full Power during its entire run time
120 minutes charge time Greenworks