Faster water transfers, faster service calls. The M18 Transfer Pump is the industry's first cordless transfer pump with the fastest setup in the marketplace. With an innovative self-priming pump, you can connect and go quicker than ever. The tools flexible impeller and powerful pump moves water at up to 480 Gal. per hour, generates up to 18 ft. of lift and produces up to 75 ft. of head height. As a part of the M18 System of tools, it is powered by REDLITHIUM battery packs, which deliver up to 240 Gal. moved per charge on a XC5.0 battery pack. Onboard REDLINK Intelligence can recognize when the tool stops moving water and automatically shuts itself off to avoid dry pumping. Additionally, REDLINK provides optimized performance and overload protection abusive situations. The Milwaukee M18 REDLITHIUM XC5.0 Starter Kit delivers up to 2.5X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. The lithium-ion battery pack features superior pack construction, electronics and performance providing users more work per charge and more work over pack life than any battery on the market.