DIY cheap homemade rechargeable 12 volts power sprayer from scrap metals and refillable water container, 12 volts battery, and a 12 volts mini agricultural pump...
Materials:
12 volts rechargeable battery
mini agricultural pump
switch
electrical wire
heat shrink tube insulation
refillable water container
soldering rod
soldering lead
sprayer hose
sprayer handle/nozzle
