A power sprayer is disclosed herein. The power sprayer includes a support frame configured to mount to a back of a user, a liquid reservoir affixed to the support frame, and a fluid distribution wand hydraulically coupled to the liquid reservoir and configured to distribute the volume of liquid from the liquid reservoir. The power sprayer may further include a compressed air assembly affixed to the support frame. The compressed air assembly may include a compressed air tank and a pressure regulator. The compressed air assembly may be pneumatically coupled with the liquid reservoir and configured to internally pressurize a volume of liquid in the liquid reservoir with compressed air from the compressed air tank and via the pressure regulator and a plurality of valves. The power sprayer may be configured for autonomous mobility independent of an air compressor.
