Compatible with all RYOBI 40V Lithium tools and chargers, the 40V 2.6 AH Lithium-ion Battery is the perfect addition to your RYOBI 40V tool collection. It's lithium-ion cells deliver fade-free performance from start to finish. The convenient on-board battery life indicator keeps you informed while you're out in the yard tackling your landscaping jobs. The 40V 2.6 AH Lithium-ion Battery's is perfect for higher efficiency tools like 40V hedge trimmers and string trimmers. RYOBI 40V Lithium surrenders nothing but gas.