18V, LXT® Lithium-ion, compact, 2.0Ah battery. Integrated L.E.D. battery charge level indicator allows user to monitor battery charge. Reaches full charge in 25 minutes or less. Compatible with 18V LXT® tools. Lithium-ion battery provides longer run time. Makita® 18V Lithium-Ion batteries resist self-discharge so they’re ready for use even after long periods of storage.