With a Makita BL1840 4.0 Ah 18-Volt LXT Lithium-Ion battery included, the all-metal gear construction Makita XPH01Z 18-Volt LXT Cordless Hammer Drill Driver is built with a Makita-built 4-pole motor for helping deliver up to 480 in.lbs of maximum torque. The cordless hammer drill-driver has a variable 2-speed design and has the ability for all types of job site drilling, driving, and hammering applications. At only 8-1/8-inches the compact drill-driver is built with a rubberized soft grip for increasing both comfort and control. At only 4 lbs with battery the cordless power tool and battery includes a 3 year limited warranty