The Milwaukee 2771-20 M18 Cordless Portable Water Transfer Pump is a high-powered utility pump designed for pumping water with ease. This pump utilizes Li-Ion battery technology, providing a reliable power source for transfering water in various industrial and plumbing applications. With an 18V voltage and a water transfer pump type, this tool from Milwaukee is efficient and efficient, making it an essential addition to any business or industrial setting. The pump comes with a battery included, ensuring you have everything you need to get started on your next project.