Urging to get the job done with less effort? The GREENWORKS® 40V products are powered by our highly efficient lithium-ion batteries, built for effortless performance and better results. All 24V tools use the same powerful battery. The GREENWORKS 24V family of tools uses power lithium-ion batteries which translates into more power, longer runtime, higher speeds, greater efficiency and less noise. Our batteries are designed to offer maximum simplicity, convenience and versatility.