Battery.Charger Starter kit that includes MultiVolt 36V battery (372121M) and rapid charger (UC18YSL3). Battery delivers 4.0Ah of runtime when used with 36V MultiVolt system tools. Battery can also power Hitachi or Metabo HPT 18V slide type tools including cordless nailers generating an impressive 8.0Ah of run time for increased flexibility and multipurpose use. Metabo HPT introduces a revolutionary cordless-corded power tool solution that meets the power output demands on a jobsite. MultiVolt tools can accept a 36V battery OR plug into an outlet with the AC Adapter. This unique platform changes what’s possible on the jobsite by offering the power of a corded tool, the freedom of a cordless platform and the choice to operate all MultiVolt tools cordless OR corded. METABO HPT 36 VOLT LITHIUM-ION 4AH STARTER KIT 1 BATTERY AND CHARGER