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Plant Mate

PROTEGE 15L Garden Weed Sprayer Multifunction Backpack Fertilizing Watering Farm

PROTEGE 15L Garden Weed Sprayer Multifunction Backpack Fertilizing Watering Farm

Regular price $274.00 AUD
Regular price Sale price $274.00 AUD
Sale Sold out

Protege make it look easy, but packing this much kit into a lightweight 4 kilogram sprayer is a feat to behold. Introducing the SI4 Backpack Sprayer, the future of portable spraying. The SI4 has padded shoulder straps for effortless carrying and ultimate portability. Never has a sprayer offered such a level of efficiency.

Ideal for:

  • Agriculture Sprays
  • Fertilizer
  • Pesticides
  • Disinfectants
  • Rinsing

Filling the fifteen litre tank has been made easy with an extra wide inlet and inlet filter to ensure smooth operation. The translucent 15L tank is marked with 4 increments for easy measuring and monitoring, while it's angular design increases its strength. The control panel is conveniently built into the side of the tank for a single body operation.

The 18V Sanyo Lithium-Ion battery sits head and shoulders above the competition, allowing for up to ninety minutes of continuous operation. That means you can spray up to two hundred litres on a single charge. Or you could spray a large house or small property for a whole year off one charge! The compact battery is concealed in a splash proof compartment and has an LED power indicator so that you'll never start a job on an empty battery.

The SI4 caters to all of your spraying needs with the included 3 adjustable nozzles. The metal single nozzle is perfect for on the fly pressure adjustments. The triple nozzle head is the perfect option for maximising coverage and efficiency. The spray trigger, lance, hose and all nozzles separate for easy and thorough cleaning.

Make the switch, try your own brand new Protege SI4 TODAY!


  • Model: SI4
  • Pump Type: Diaphragm
  • Tank Capacity: 15 Litres
  • Tank Material: UV Stabilised Polyethylene
  • Current: 1.5A
  • Battery Type: Lithium Ion
  • Battery Voltage: 18V
  • Battery Capacity: 2.2AH
  • Continuous Operation: up to 90 minutes
  • Flow Rate: 1.8L/min
  • Spray Distance: >8m
  • Note: Assembly required


  • 1x Protege SI4 15L Backpack Sprayer
  • 1x Battery Charger
  • 1x 3 Way Nozzle
  • 1x Metal Adjustable Nozzle
  • 1x Lance
  • 1x Spray Trigger
  • 1x Fan Nozzle
  • User Manual is accessible online


  • Carton Weight: 5kg
  • Carton Dimensions (W x D x H): 22 x 36 x 57cm
  • Product Weight: 3.7kg
  • Product Dimensions (W x D x H): 36 x 20 x 52cm
  • Lance (L): 83cm



We accept Change of Mind returns for 14 days after you have received the item in cases where you have changed your mind or made an incorrect purchase and wish to return the product. This also applies to orders cancelled when the item has already been dispatched from our warehouse. The item must be in a re-saleable condition to qualify for a change of mind refund. Deductions may apply including Initial and Return Shipping, as well as restocking fee of 10% of the product price

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