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28 July 2025

MILWAUKEE® M18™ 15L Backpack Sprayer with SWITCH TANK™: Outstanding Pressure Control and Versatility

MILWAUKEE® continues their commitment to relentless innovation with the M18™ Backpack Fluid Pump Gen 2, M18™ SWITCH TANK™ 15L Chemical Spray Tank and M18™ SWITCH TANK™ 15L Water Supply, designed to meet the needs of professional landscape maintenance.

The battery powered design provides users with a hassle-free experience, allowing for continuous spraying without the physical strain associated with traditional manual sprayers. Additionally, the five-mode flow rate knob adjusts the flow from 0.4 – 4.3 litres per minute, giving users the capability to complete a wide range of applications with precision.

The innovative backpack sprayer delivers the industry’s best pressure control and eliminates the need for manual pumping while featuring an interchangeable tank design, ensuring effortless operation and versatility.

The M18 Backpack Fluid Pump Gen 2 sets a new standard for pressure control, offering instant, constant, and adjustable pressure up to 140 psi and 7.3 m spray distance.

MILWAUKEE®’s new sprayer with battery powered design allows for continuous spraying. With the included M18 HIGH OUTPUT 3.0 Ah battery, users are provided with up to twelve tanks of spraying per charge. This ensures professionals can work longer and more efficiently while reducing the pain points of fatigue and repetitive motion injuries caused by manual pumping.

Significantly enhancing the user experience with elimination of manual pumping.

Integrated with an interchangeable tank design, which features an isolated pump, hose and wand, users are provided with a practical solution to have a single powered base that works with multiple accessory tanks to address the concern of cross chemical contamination. The 15L Sprayer Tank assembly features a dual diaphragm pump for longer pump life. Its optimised design ensures better weight distribution, while the wide mouth opening allows for easier pouring. Further enhancing ease and versatility, the M18 Backpack Fluid Pump Gen 2’s backpack frame is designed for comfort, featuring padded straps, lumbar support, and a hip belt, making it ideal for extended spraying applications.

The sprayer consists of two components (sold separately): the M18 SWITCH TANK Power Base, which houses the motor, battery compartment, and REDLINK electronics, and the interchangeable Tank Assembly that includes the pump, hose, and wand. This isolated design allows users to easily switch between tank assemblies for different spraying applications, effectively eliminating cross-chemical contamination.

 

MILWAUKEE® is committed to improving productivity by providing performance driven and trade focused solutions so users can perform an entire day’s work on one battery system. The new M18Backpack Fluid Pump Gen 2 is fully compatible with the entire M18 line, now offering more than 315 power tool solutions.

 

Specifications

M18 Backpack Fluid Pump Gen 2

M18 BBPFP2-301

  • Battery Type: Lithium-ion
  • Battery System: M18
  • Speed Settings: 5
  • Weight with Battery Pack (EPTA): 4.9 kg (M18 HB3)

Kit Includes: (1) M18 Backpack Fluid Pump Gen 2, (1) M18 HB3 Battery Pack, (1) M12-18 FC Charger

 

M18 SWITCH TANK 15L Chemical Spray Tank

M18 BBPFP2-CST

  • Capacity: 15 l
  • Flow Rate: 0.4 – 3.1 l/min
  • Hose Length: 1.75 m
  • Pressure:
    • 1.4 – 9.6 bar
    • 20 – 140 psi
  • Spray Distance: 7.3 m
  • Weight: 3.7 kg

Kit Includes: (1) M18 SWITCH TANK 15L Chemical Spray Tank, (1) Straight Cone, (1) Angled Flat Nozzle, (1) Stainless Steel Wand

 

M18 SWITCH TANK 15L Water Supply

M18 BBPFP2-WST

  • Capacity: 15 l
  • Flow Rate: 0 – 4.3 l/min
  • Hose Length: 3 m
  • Pressure:
    • 1.4 – 4.1 bar
    • 20 – 60 psi
  • Weight: 3.4 kg

Kit Includes: (1) M18 SWITCH TANK 15L Water Supply (1) Water Nozzle

 

 

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