PROTEGE 15L Garden Weed Sprayer Multifunction Backpack Fertilizer Watering Farm

$314.99 $450 Save $135


Introducing the PROTEGE 15L Garden Weed Sprayer, the ultimate solution for all your spraying needs in agriculture, gardening, and farming. This multifunction backpack sprayer is designed for effortless carrying and ultimate portability, making it perfect for applying fertilizers, pesticides, disinfectants, and rinsing. Weighing just 4 kilograms, it boasts a robust 15-litre UV-stabilized polyethylene tank with an extra-wide inlet for easy filling and a filter to ensure smooth operation.

The SI4 model features padded shoulder straps for comfortable use and an 18V Sanyo Lithium-Ion battery that allows up to 90 minutes of continuous operation, spraying up to 200 litres on a single charge. The compact battery is housed in a splash-proof compartment with an LED power indicator. This sprayer includes three adjustable nozzles: a metal single nozzle for on-the-fly pressure adjustments, a triple nozzle head for maximum coverage, and a fan nozzle for broad spraying needs.

Upgrade your spraying efficiency with the PROTEGE 15L Garden Weed Sprayer, designed to make your tasks easier and more efficient.

Top 5 Benefits & Features:

  • 🌿 Multifunctional Use: Perfect for spraying fertilizers, pesticides, disinfectants, and rinsing, making it ideal for agriculture and gardening.
  • 🔋 Long Battery Life: The 18V Sanyo Lithium-Ion battery provides up to 90 minutes of continuous operation, allowing you to spray up to 200 litres on a single charge.
  • 💧 Easy Filling & Monitoring: The 15L tank features an extra-wide inlet for easy filling, a filter to ensure smooth operation, and clear markings for easy measuring.
  • 🛠️ Durable & Portable: Made from UV-stabilized polyethylene with a robust design, this lightweight 4kg sprayer is easy to carry with padded shoulder straps.
  • 🌟 Adjustable Nozzles: Includes three adjustable nozzles (single, triple, and fan) for versatile spraying needs and easy, thorough cleaning.


  • 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
  • Assembly required

Package Content:

  • 1 x Protege SI4 15L Backpack Sprayer
  • 1 x Battery Charger
  • 1 x 3-Way Nozzle
  • 1 x Metal Adjustable Nozzle
  • 1 x Lance
  • 1 x Spray Trigger
  • 1 x Fan Nozzle
  • User Manual (accessible online)
Return Policy In Case of Change of Mind : The item must be unused and kept in its original packaging; otherwise, the return request will be rejected. For change of mind returns, the item must be returned within 7 days of receiving it, and a 10% restocking fee will be charged. If there are any issues with the items, don't worry—they are all covered. Check our return policy for more details.

Customer Reviews

Based on 25 reviews
Hudson Wright

The backpack straps are well-padded and adjustable, making it comfortable for people of different sizes.

Oscar Martin

The sprayer is very light when empty, making it easy to handle and store.

Levi Hughes

Excellent for both small and large applications. The Protege Sprayer is very versatile.

Elijah Brooks

Perfect for large gardens. The Protege Sprayer covers a lot of ground efficiently.

Charlie Russell

I’ve used other sprayers before, but this one is by far the best. It’s reliable and easy to use.