RIDGID 18-Volt Cordless Battery 4 Gal. Backpack Chemical Sprayer (Tool Only) R01501BVNM - The Home Depot
Amazon.com : Greenworks 40V Cordless Backpack Sprayer (4 Gallon / 5 Tips / 25 FT Spray) For Weeding, Spraying, and Cleaning, 2.0Ah Battery and Charger Included : Patio, Lawn & Garden
Amazon.com : Roundup 190314 Backpack Sprayer for Fertilizers, Herbicides, Weed Killers & Insecticides, 4 Gallon , White : Sports Fan Backpacks : Patio, Lawn & Garden
VEVOR Battery Powered Backpack Sprayer with Cart, 0-94 PSI Adjustable Pressure, 4 Gallon Tank on Wheels, with 8 Nozzles and 2 Wands, 12V 7.2Ah Battery, Wide Mouth Lid for Weeding, Spraying, Cleaning | VEVOR US