Makita DHR202STW 18V Rotary Hammer SDS+ 20mm LXT 1 x 5 A batteryThis 18v LXT SDS PLUS Rotary Hammer is capable of drilling through steel, wood and masonry with ease. With the power of Lithium Ion you can be sure to get the job done, wherever you are! Comes with charger, 1 x 5A battery and case USER BENEFITS Lithium ions 40% weight saving means 18 volt power obtained by a battery that weighs the same as a 12 volt Ni MH battery. Lithium ion batteries have greater life spans than their Ni MH or Ni Cad counterparts