The 18V Milwaukee battery refers to the rechargeable lithium-ion batteries used with Milwaukee’s M18™ power tool platform. These batteries deliver high power, long runtime, and compatibility with a wide range of Milwaukee tools — from drills, saws, and impact drivers to lights, heaters, and other cordless equipment. https://omertools.com.au/product/milwaukee-m18hb6-18v-6.0ah-li-ion-cordless-redlithium-high-output-battery