Greenworks 29472-RC G-Max 40V 4 Ah Lithium-Ion Battery

This battery charges in 120 minutes and provides you with 3 times more run time than NiCad batteries. Compatible with G-Max 40V Greenworks tools, this battery boasts fade-free power with no memory loss after charging, as well as a battery charge indicator light. Easily slide it into place and power through that to-do list with the power of the Greenworks GMAX 40V 4.0 Ah Lithium Ion Battery.