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Front view of FlowZone Storm 2.5 backpack sprayer showing 2.5-gallon tank, ComfortStraps harness, 18V battery and spray wand, studio background.

FlowZone Storm 2.5 - 18V Variable-Pressure Backpack Sprayer

Brand: FLOWZONE
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$389.54
$292.16
SKU FZVAAG-2.5
In Stock (3)

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Designed for professionals and serious homeowners who need a compact yet powerful battery sprayer, the FlowZone Storm 2.5 delivers cordless convenience with commercial-grade performance. The 2.5-gallon tank and user-focused updates — including the new click-in-place knob and ComfortStraps backpack harness — make extended spraying easier in tight spaces without sacrificing output.

  • Power & Runtime: 18V/2.6Ah rechargeable Li‑Ion battery with included charger (21V/1A) and typical charge time around 2 hours; provides approximately 2–2.5 hours of continuous spray on a full charge.
  • Variable Pressure: Adjustable pressure range from about 8 psi up to 60 psi for light misting through to targeted stream applications, with five selectable positions for fast adjustments.
  • Tank & Output: 2.5‑gallon tank capacity designed for maneuverability in confined areas; tank output is greater than 50–57 gallons per charge depending on pressure and nozzle selection.
  • Spray Performance: Consistent flow rates (approx. 0.25–0.48 gpm) and spray distance of 25+ feet give wide coverage and reach for landscape, turf, and surface applications.
  • Comfort & Durability: ComfortStraps backpack system and ergonomically balanced design reduce fatigue during long tasks; black UV-resistant hose and reinforced fittings extend outdoor life.
  • Gun & Nozzles: Pressure-washer-style spray gun with quick-connect attachments, stainless-steel wand, and included nozzles (adjustable cone, 25° fan, 0° jet) for versatile spraying patterns.
  • User-Friendly Features: Click-in-place control knob, easy-fill tank opening with strainer, and simple maintenance steps outlined in the included operation guide.

Every FlowZone Storm 2.5 ships ready for field use with essential accessories and documented maintenance guidance. Whether you’re treating tight beds, shrubs, or completing spot treatments around structures, the Storm 2.5 balances portability and performance so you can finish daily tasks faster and with less effort.

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Frequently Asked Questions

What is the tank capacity and typical runtime?
The Storm 2.5 holds 2.5 gallons and runs about 2–2.5 hours on a full 18V/2.6Ah charge, depending on pressure and nozzle choice.
How far and how strong does the sprayer reach?
Variable pressure spans roughly 8–60 psi with spray distance over 25 feet, giving options from fine mist to a focused jet.
What nozzles and accessories are included in the box?
Includes a pressure-washer-style spray gun, stainless-steel wand, adjustable cone, 25° fan and 0° jet nozzles, charger, and a black UV-resistant hose.