Boat Hull Cleaner, Nemo, 50M, 18V, (1) 10Ah Li-Ion, w/ Brush Set HC-18-10Li-50 Nemo Power Tools Boat Hull Cleaner..FEATURES:. .Brush motor: 900W .Battery: 18V Li-ion 10Ah .No load rotation speed: 120RPM/160RPM .Net weight (without battery and brush): 5lbs (2.3kg) .Submersible up to 50m (164 ft) .Brush mount: Key-less hex chuck (10 mm) .Brush size: 300mm / 12 inches (with different hardness bristles) .Volume (L x W x H) (10Ah battery): 205 x 122 x 410 mm .Approx run time (one fully charged 10Ah battery): 6.2 Hours .Comes with 2 Brushes (Included) .Comes in a waterproof high quality hard case. .1 Year Warranty After 2 years of development, testing and testing some more, the Nemo hull cleaner electric brush is finally here. The perfect tool, developed WITH and FOR boat bottom cleaners, aquarium cleaners and pool maintenance professionals. Cut your work time in half with a giant 12 inch brush, developed specifically for the removal of marine growth, while protecting the paint job of your boat.. 900 watts computer controlled brush-less motor, 10 Ah lithium battery with 6.2 hours non-stop work time on a single charge!. This tool is a must have for any professional in the industry.. The tool will suck itself into the work surface automatically, allowing the diver to move freely without applying force towards the hull.. This product includes (2ea) 12 inch specialized brushes, and comes in a high quality water proof hard case.