RedMax 4-Gallon 18V Battery Backpack Sprayer 598967301 | New

RedMax 4-Gallon 18V Battery-Powered Backpack Sprayer – Part # 598967301

Genuine RedMax 4-gallon battery-powered backpack sprayer, new and ready to ship. This professional-grade sprayer eliminates manual pumping — powered by an 18-volt lithium-ion battery, it maintains constant pressure for consistent, effortless spraying across lawns, landscaping, and commercial cleaning applications.

Product Specifications

• Part Number/SKU: 598967301
• Also Known As: MPN 598967301
• Brand: RedMax (Husqvarna)
• Tank Capacity: 4 Gallons
• Power Source: 18V Lithium-Ion Battery (Included)
• Max Pressure: 150 PSI
• Working Pressure: 25 PSI (Regulated) — Up to 40 PSI Constant Pressure
• Spray Distance: Up to 23 Feet
• Runtime: Up to 4 Hours / 50 Gallons Per Charge
• Charge Time: 3.5 Hours
• Wand: 25" Stainless Steel with Poly Liner
• Hose: 50" Reinforced PVC with Strain Relief Nut
• Condition: New

What's Included

• 4-Gallon Backpack Sprayer Tank
• 18V Rechargeable Battery
• Battery Charger
• 3-Piece Nozzle Kit (Brass Adjustable, Red Poly High-Volume Fan, Yellow Poly High-Volume Fan)
• Cap Nut & Viton Gasket
• Pro Shut-Off Valve

Key Features

• No Pumping Required — 18V battery-powered pump eliminates manual pumping — same features as the manual 4-gallon sprayer, fully automated
• Internal "No-Leak" Pump Design — Reliable, leak-resistant construction for long-term durability
• Constant Pressure Regulation — 25 PSI regulator (up to 40 PSI constant) delivers consistent application of lawn chemicals, wettable powders, and liquids
• Sealed Pressure Relief Valve — Safely releases built-up pressure before opening the tank
• Impact-Resistant Battery Compartment — Keeps the battery concealed and protected from liquid damage
• Easily Accessible Filters — Located in cap, shutoff, and pump to reduce buildup of large solids
• 25" Stainless Steel Wand with Poly Liner — Durable, corrosion-resistant spray wand
• 50" Reinforced PVC Hose — Includes strain relief nut to prevent kinking
• Up to 4 Hours / 50 Gallons Per Charge — All-day runtime on a single charge

Ideal For: Lawns, landscaping, commercial cleaning, sanitizing, and applying wettable powders and harsh chemicals.

✅ Genuine RedMax Product
✅ New in Packaging
✅ Includes Battery & Charger — Ready to Use
✅ No Pumping Required — 18V Powered
✅ 4-Gallon Capacity — Up to 50 Gallons Per Charge
✅ 25" Stainless Steel Wand & 50" Reinforced Hose
✅ 3-Piece Nozzle Kit Included
✅ Fast Shipping — Ships Quickly from the USA

Keywords: RedMax 598967301, 4 gallon battery backpack sprayer, 18V backpack sprayer, RedMax battery sprayer, no pump backpack sprayer, commercial lawn sprayer battery powered, RedMax professional sprayer, cordless backpack sprayer

Always follow product label instructions for any chemicals used with this sprayer. Check your owner's manual for maintenance and safety guidelines.