YOFIDRA 10L Electric Lithium Backpack Sprayer

1. Introduction

Thank you for choosing the YOFIDRA 10L Electric Lithium Backpack Sprayer. This electric sprayer is designed for efficient and convenient application of liquids for various tasks such as watering, gardening, pest control, cleaning, and disinfection. Its battery-powered operation eliminates the need for manual pumping, providing a consistent spray with adjustable pressure and multiple nozzle options. Please read this manual thoroughly before use to ensure safe and optimal performance of your sprayer.

2. Safety Information

Always observe basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and personal injury.

• Read all instructions carefully before operating the sprayer.
• Wear appropriate personal protective equipment (PPE) such as gloves, eye protection, and a mask, especially when spraying chemicals.
• Do not spray flammable liquids or use the sprayer near open flames or sparks.
• Ensure the battery is fully charged before use and disconnect the charger once charging is complete.
• Keep children and pets away from the spraying area.
• Do not immerse the sprayer in water.
• Always clean the sprayer thoroughly after each use, especially when switching between different types of liquids.
• Store the sprayer in a cool, dry place, out of reach of children.

3. Product Overview

3.1 Included Components

The package includes the following items:

• 1x 10L Sprayer Unit
• 1x Copper Nozzle Spray Bar
• 1x Filter
• 1x Hose
• 2x Shoulder Straps
• 3x Nozzles (various spray patterns)
• 5x Accessories (e.g., seals, small parts)
• 1x Battery (12V Lithium-ion)
• 1x Charger

Image: All components included in the YOFIDRA 10L Electric Lithium Backpack Sprayer package.

3.2 Sprayer Parts Diagram

Image: Diagram labeling key parts of the sprayer including nozzles, water pipe, power indicator light, water pump switch, charging port, and pressure adjustment knob.

• Nozzles: Interchangeable for different spray patterns.
• Water Pipe: Connects the sprayer unit to the spray bar.
• Power Indicator Light: Shows the battery charge status.
• Water Pump Switch: Turns the pump on/off.
• Charging Port: For connecting the battery charger.
• Knob (Pressure Adjustment): Rotates clockwise to adjust pressure from minimum to maximum.

4. Specifications

Image: Main product view with key specifications and dimensions.

5. Setup

Follow these steps to assemble and prepare your YOFIDRA Electric Sprayer for first use:

1. Charge the Battery: Before initial use, fully charge the 12V lithium-ion battery using the provided charger. Connect the charger to the charging port on the sprayer unit. The battery indicator light will show charging status.

   Image: Detail of battery indicator light and charging port.
2. Install the Battery: Once charged, insert the battery into the battery compartment located on the side of the sprayer unit. Ensure it clicks securely into place.

   Image: Step-by-step guide for battery installation.

3. Attach the Hose: Connect one end of the hose to the outlet on the sprayer unit and the other end to the spray gun handle. Ensure connections are tight to prevent leaks.

   Image: Step-by-step guide for hose attachment.

4. Assemble the Spray Bar: Connect the copper nozzle spray bar to the spray gun handle. The length of the metal rod can be adjusted as needed.

   Image: Step-by-step guide for spray bar assembly.
5. Attach Shoulder Straps: Securely attach the two shoulder straps to the designated points on the sprayer unit. Adjust the straps for a comfortable fit, distributing the weight evenly across your shoulders.

   Image: Step-by-step guide for shoulder strap attachment.

6. Fill the Tank: Unscrew the lid of the 10L tank. The enlarged inlet with a built-in two-layer filter helps prevent foreign objects from clogging the nozzle. Fill the tank with the desired liquid, ensuring not to exceed the maximum capacity. Securely close the lid.

   Image: Close-up of the two-layer filter screen in the tank inlet.

7. Select and Attach Nozzle: Choose one of the three provided nozzles based on your spraying needs (e.g., fine mist, jet spray). Screw it onto the end of the spray bar.

   Image: Different nozzle types and their corresponding spray patterns.

6. Operating Instructions

1. Power On: Flip the water pump switch (red switch) on the sprayer unit to the 'ON' position. Note: Turning the red switch on directly sets the pressure to maximum if the knob is not adjusted.
2. Adjust Pressure: Rotate the pressure adjustment knob clockwise to increase pressure from minimum to maximum (up to 60 PSI). Rotate counter-clockwise to decrease pressure.

   Image: Close-up of the pressure adjustment knob with Min/Max settings.

3. Begin Spraying: Aim the nozzle at the target area and press the trigger on the spray gun handle to start spraying.
4. Lock Trigger (Optional): For continuous spraying, push the red lock mechanism on the spray gun handle forward to lock the trigger in the 'ON' position. Push it back to release.

   Image: Detail of the spray gun handle showing how to lock the trigger for continuous operation.
5. Power Off: After use, release the trigger and flip the water pump switch to the 'OFF' position.

6.1 Applications

The YOFIDRA Electric Sprayer is versatile and can be used for:

• Irrigation and watering plants.
• Spraying pesticides or herbicides in gardens and lawns.
• General cleaning tasks.
• Car washing.
• Disinfection.
• Specific agricultural applications like spraying potatoes.

Image: Visual examples of the sprayer being used for various applications such as irrigation, pest control, cleaning, and car washing.

7. Maintenance

Proper maintenance ensures the longevity and efficient operation of your sprayer.

• Cleaning After Each Use:
  1. Empty any remaining liquid from the tank.
  2. Rinse the tank thoroughly with clean water.
  3. Fill the tank with clean water and spray it through the nozzle until the tank is empty to flush the hose and spray bar.
  4. Clean the exterior of the sprayer with a damp cloth.
• Filter Maintenance: Regularly check and clean the two-layer filter located at the tank inlet to prevent clogging. Remove any debris or foreign objects.

  Image: Close-up of the two-layer filter, highlighting its importance in preventing clogging.

• Battery Care:
  • Store the battery in a cool, dry place when not in use.
  • Do not expose the battery to extreme temperatures.
  • If storing for extended periods, charge the battery partially (around 50%) to prolong its lifespan.
• Storage: Store the sprayer in a dry, sheltered location, away from direct sunlight and freezing temperatures. Ensure the tank is empty and clean before storage.

8. Troubleshooting

9. User Tips

• For optimal performance, always ensure the battery is fully charged before starting a spraying task.
• When using chemicals, always follow the manufacturer's instructions for dilution and safety.
• The sprayer's design with widened shoulder straps and increased back padding enhances comfort during extended use. Adjust straps for best fit.
• While the battery voltage is 12V, the specific Amp-hour (Ah) capacity of the battery is not provided in the product specifications. For typical garden use, a 2.0Ah or 4.0Ah battery is common for 12V tools, influencing run time.
• If you need to switch between different types of liquids (e.g., fertilizer to pesticide), perform a thorough cleaning cycle with clean water to prevent contamination.

10. Warranty and Support

For warranty information, technical support, or replacement parts, please contact the YOFIDRA customer service or the retailer from whom you purchased the product. Keep your purchase receipt as proof of purchase.

Note on Plugs: The product defaults to an EU plug. If you require other specifications (US, UK, AU), please contact customer service to request a conversion head.