1. Introduction
The YOFIDRA Electric Lithium Sprayer is designed for efficient and labor-saving spraying tasks in gardens, farms, and for general cleaning. This backpack-style sprayer integrates advanced design with practical features, offering a powerful and convenient solution for pest control, irrigation, and sanitation. Powered by a 12V battery, it provides significantly higher efficiency compared to manual sprayers, capable of continuous operation for up to 9 hours on a single charge.

Image: YOFIDRA 10L Electric Lithium Sprayer with key specifications and dimensions.
2. Product Features
- Battery-Powered Operation: Eliminates manual pumping, offering effortless spraying with a durable lithium-ion battery.
- High Performance: Features a maximum pump pressure of 60 PSI and a flow rate of 4.0 L/min.
- Large Capacity: A 10-liter tank capacity is sufficient for daily spraying needs, saving labor and time.
- Adjustable Pressure: Easily adjust water pressure from 0 to 60 PSI using a dedicated knob.
- Multiple Nozzles: Equipped with 3 different nozzles to accommodate various spray patterns and applications.
- Double Filter System: A two-layer filter screen prevents foreign objects from clogging the nozzle, ensuring consistent performance and easy cleaning.
- Comfortable Design: Ergonomically designed with a sleek back shape and widened shoulder straps with increased back padding for comfortable extended use and portability.
- User-Friendly Details: Features an enlarged inlet with a filter for easy liquid addition and an under-voltage alert circuit to protect the battery by sounding an alarm when voltage drops below 10.5V.

Image: Advantages of the YOFIDRA battery-powered sprayer compared to a manual spray bottle.
3. Specifications
| Attribute | Value |
|---|---|
| Brand Name | Yofidra |
| Model Number | Electric Sprayer |
| Voltage | 12V |
| Flow rate | 4L/min |
| Pressure | 4bar / 60psi |
| Capacity | 10L (Other capacities like 12L, 14L, 16L, 18L, 20L, 25L may also be available) |
| Battery Included | Yes |
| Origin | Mainland China |
| Net Weight | 6.5KG |
| Dimensions (Sprayer) | 26cm (W) x 44cm (H, tank) / 50cm (H, total) |
| Spray Bar Length | Adjustable (e.g., 18cm, 32cm, 50cm sections) |
| Hose Length | 120cm / 47.24inch |

Image: Product dimensions for the sprayer and spray bar.
4. Package Contents
The standard package includes the following items:
- 1x 10L Sprayer Unit
- 1x Copper Nozzle Spray Bar
- 1x Filter
- 1x Hose
- 2x Shoulder Straps
- 3x Nozzles (various types)
- 5x Accessories (e.g., seals, clips)
- 1x Battery (12V)
- 1x Charger
- 1x User Manual
- 1x Certificate of Compliance
- 1x Warranty Card

Image: Contents included in the 1x Battery Set package.
5. Setup
5.1 Initial Battery Charge
The battery is partially charged upon delivery but may self-discharge during transit and storage. It is recommended to fully charge the battery before its first use.
- Connect the charger plug to the "Charging" jack on the sprayer.
- Plug the charger into a power outlet.
- The charger indicator light will be Red during charging and turn Green when fully charged or in standby.
- A full charge typically requires at least 8 hours.
- Place the charger in a dry, well-ventilated, and safe place, at least 50 cm above the ground during charging.
5.2 Assembly
Assemble the sprayer components as shown in the diagram. Ensure all connections are secure to prevent leaks.
- Install Battery: Open the battery compartment and insert the 12V battery.
- Connect Hose: Securely attach the hose to the sprayer unit and the spray bar handle.
- Attach Spray Bar: Connect the copper nozzle spray bar to the handle.
- Select Nozzle: Choose the appropriate nozzle for your task and attach it to the spray bar.
- Attach Straps: Connect the shoulder straps to the designated points on the sprayer for comfortable carrying.

Image: Visual guide for product installation steps.

Image: Overview of sprayer components and controls.
6. Operating Instructions
6.1 Filling the Sprayer
- Ensure the battery is sufficiently charged.
- Unscrew the barrel cover and fill the tank with the prepared liquid through the integrated screen filter.
- Close the barrel cover securely.
- Check for any leakage from the bottom of the barrel before operation.

Image: Double filter screen to prevent clogging.
6.2 Starting and Spraying
- Turn on the main power switch (usually a red switch on the side).
- Clench the switch handle on the spray bar to start spraying. The sprayer supports both instant and continuous spraying.
- Pressure Adjustment: Rotate the knob (located near the charging port) clockwise to increase pressure from minimum to maximum (up to 60 PSI). Note: If a red switch directly sets pressure to maximum, the knob may be ineffective.
- Trigger Lock: The spray bar handle may have a trigger lock mechanism to enable continuous spraying without holding the trigger.

Image: Pressure adjustment knob and strong spraying capability.

Image: Spray bar dimensions and trigger lock feature.
6.3 Nozzle Types and Applications
Three types of nozzles are supplied for different spraying requirements:
- Sectorial Mist Nozzle: Produces a uniform mist, suitable for short crops and spraying herbicides. Spray with the wind in a parallel manner.
- Conical Mist Nozzle: Ideal for pest control. Spray with the wind in a cross manner.
- Four-Hole Adjustable Nozzle: Designed for spraying high crop and fruit trees. However, be aware that this nozzle may result in significant pesticide loss.

Image: Multiple nozzle types and their spray patterns.

Image: Various applications of the YOFIDRA Electric Sprayer.
7. Maintenance and Safety
7.1 General Maintenance
- Avoid Dry Operation: Do not operate the sprayer without water in it, as this may damage the diaphragm pump.
- Battery Care:
- If the battery voltage drops to 10.5V, an alarm will sound, indicating the need for timely charging.
- For long-term storage, perform regular full discharging and recharging every 1-2 months to ensure battery life.
- Post-Use Cleaning:
- Thoroughly clean the unit after each use to prevent corrosion, clogging, and mixing of residual liquids.
- For the exterior, scrub with a dampened cloth.
- For the interior, fill with a small amount of clean water, shake, and then discharge by turning on the power.
- Regular Inspection: After six months of use, dismantle the base and check for loose screws; tighten if necessary.
- Storage: Always switch off the power before storage.
7.2 Safety Precautions
- Personal Protective Equipment: Always wear a mask and gloves when spraying.
- Chemical Handling:
- Never operate with strong acids, strong bases, or flammable liquids.
- Do not use high-persistent or very toxic pesticides for vegetables, fruit trees, tea, or medical plants.
- Strictly comply with the safety instructions provided by the pesticide manufacturer.
- Spraying Environment:
- Never spray against the wind.
- Avoid spraying towards humans, animals, or food.
- Do not operate for extended periods under high temperatures.
- Do not operate in temperatures exceeding 45°C or below -10°C.
- Product Integrity:
- Never place the sprayer upside down, as this may damage the battery.
- Do not keep the sprayer near fire, expose the base to water, or immerse the machine in water for cleaning or filling.
- Never spray powders or particles with this sprayer.
- Unauthorized removal of the charger's housing is prohibited.
8. Troubleshooting
| Problem | Cause | Solution |
|---|---|---|
| Motor fails to start after being powered on. |
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| Abnormal sound from motor. |
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| Leakage from bottom of base. |
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| Poor atomization. |
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9. User Tips
- For optimal performance, always ensure the battery is fully charged before starting any spraying task.
- Regularly check the filter screen for debris and clean it to prevent clogging and maintain consistent spray.
- Experiment with the different nozzles to find the best spray pattern for your specific application (e.g., fine mist for delicate plants, stronger stream for cleaning).
- When storing the sprayer, ensure it is clean and dry, and the power is switched off to prolong its lifespan.
10. Warranty and Support
YOFIDRA specializes in the design and production of power tools, aiming to provide convenient and cost-effective solutions globally.
For detailed warranty information, please refer to the Warranty Card included in your package. For further assistance or technical support, please contact YOFIDRA customer service.
A comprehensive user manual in PDF format is available for download and reference: View User Manual (PDF).

Image: YOFIDRA Brand Story and commitment to quality service.





