Home » Garden » PRYMAX Pressure Washer Garden PRYMAX Pressure Washer January 21, 2020 Powerful brushless induction motor generates up to 1500 PSI/1.5 GPM for maximum cleaning power. Induction technology gives the product 4 times more lifespan than universal (brushed) motors.Adjustable nozzle and foam cannon offer more choice to clean. Lithium battery pressure washer could work about 30 minutes after fully charged.Automatically shuts off the pump when the trigger is not engaged to save energy and prolong pump life.