Field King Pump Zero Sprayer - 2 Gallon (Lithium Ion Powered) by Smith Sprayers Save Liquid error (product-badge line 32): -Infinity% $83.50 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart FEATURES: - Easy to use, consistent pressure, NO MORE PUMPING! - Powered by a 7.2V rechargeable lithium ion battery and integrated pump. - High end components meant for daily professional use. - Pressure regulating switch maintains constant operating pressure at 20 PSI for consistent application rates. - Pressure relief valve allows for safely removing pressure prior to opening tank.