Price: (as of – Details) The innovative GMAX 40V Lithium-Ion Battery delivers high performance and efficiency among all GreenWorks GMAX tools. A quick charge time of 60 minutes for a 2 AH battery and 120 minutes for a 4 AH battery making the NEW GreenWorks GMAX Series of lawn tools a great option when looking… Continue reading Greenworks 40V 4.0Ah Lithium-Ion Battery (Genuine Greenworks