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EGO Power+ 4 Gallon Backpack Sprayer - Tool Only (Battery and Charger Not Included) - BSP3500

EGO Power+ 4 Gallon Backpack Sprayer - Tool Only (Battery and Charger Not Included) - BSP3500

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EGO Power+ 4 Gallon Backpack Sprayer - Tool Only (Battery and Charger Not Included) - BSP3500

The EGO POWER+ 4 Gallon Backpack Sprayer delivers up to 350 PSI for a powerful and even spray, no pumping required. The cordless backpack sprayer features an adjustable pressure dial on the wand for easy pressure and flow control with a maximum flow rate up to 0.6 GPM. Four nozzles are included for a variety of applications from herbicides and pesticides to fertilizers. Premium back pads and waist support straps allow comfortable use over extended periods. Its 4-gallon tank is translucent for visibility to the fill level. The EGO POWER+ 4 Gallon Backpack Sprayer is compatible with all EGO POWER+ ARC Lithium batteries (available separately) to deliver Power Beyond Belief

What our Experts Think
  • 4-gallon tank capacity allows for extended spraying sessions with fewer refills, improving efficiency on larger properties.
  • Battery-powered pump system delivers consistent spray pressure without manual pumping.
  • Cordless 56V compatibility ensures reliable performance when paired with EGO batteries (sold separately).
  • Tool-only design is ideal for users already invested in the EGO battery platform.
  • Backpack ergonomic harness improves comfort and weight distribution during long applications.
  • Adjustable pressure control allows precise application for fertilizers, herbicides, and pesticides.
  • Multiple nozzle options support a range of spray patterns for different tasks.
  • Chemical-resistant construction designed for durability with common lawn and garden solutions.
  • Quiet, emission-free operation makes it suitable for residential and commercial use.
  • Expert verdict: A practical and efficient backpack sprayer that combines cordless convenience, consistent pressure, and large capacity—ideal for homeowners and professionals handling regular lawn care and treatment applications.

Q&A

Q: Does this backpack sprayer include a battery and charger?
A: No. The EGO BSP3500 is a tool-only backpack sprayer, so the battery and charger are not included.

Q: What is it used for?
A: It is designed for applying fertilizers, herbicides, pesticides, and other liquid treatments for lawn and garden care.

Q: What is the tank capacity?
A: It features a 4-gallon tank, suitable for covering larger residential or light commercial areas.

Q: Is it manual or battery-powered?
A: It is battery-powered, providing consistent spray pressure without manual pumping.

Q: Is it suitable for professional use?
A: Yes. It is built for efficient, extended spraying tasks, reducing fatigue compared to manual sprayers.

Q: Is it compatible with EGO batteries?
A: Yes. It runs on EGO 56V ARC Lithium batteries, compatible with the full EGO tool lineup.


Maintenance Tips
  • Always remove the battery before cleaning, nozzle changes, or maintenance to prevent accidental spray activation.
  • Flush the tank, hose, wand, and pump with clean water after every use to remove chemical residue and prevent clogging or seal damage.
  • Clean the in-tank filter screen regularly to maintain steady flow and reduce pump strain and battery drain.
  • Inspect and clean nozzles frequently; replace if spray pattern becomes uneven or blocked.
  • Check O-rings and seals on hose connections and wand for cracks or flattening; lubricate lightly with silicone grease.
  • Do not store chemicals inside the tank—always empty and dry the sprayer before storage to prevent corrosion and odor buildup.
  • Store indoors in a cool, dry place away from direct sunlight and freezing temperatures to protect plastic tank and electronics.
  • Wipe exterior surfaces with a damp cloth only; avoid solvents or pressure washing.
  • Keep battery terminals clean and dry for reliable power delivery and consistent pressure output (up to 350 PSI).
  • Remove battery during long-term storage and keep it at a moderate charge level for extended lifespan.