· Greenworks Pro 60V high current battery provides the power you need for maximum performance.· Battery delivers fade-free power with no memory loss after charging.· On-board battery fuel indicator allows for on-demand reference of remaining power.· Compatible with all Greenworks 60V tools, including blower, trimmer, hedge trimmer, and lawn mower.· Note-battery is not shipped fully charged. It is recommended to fully charge before first use to ensure that maximum run time can be achieved. This lithium-ion battery will not develop a memory and may be charged at any time