Key Features: 16-gallon solution and recovery tanks. • Fully adjustable flow rate. • Over 3.5 hours of run time powered by 2 maintenance-free gel batteries. • Prolonged battery life with low-voltage shutoff. • Longest-life Gel batteries on the market • Hour meter and battery level indicator. • Tear-away squeegee with quick-release blades for easy cleaning. • Convenient, anywhere charging with the on-board charger.