QINK ROLMIL LX0201 800PSI Cordless Pressure Washer Battery Powered with 6-in-1 Nozzle

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Overview

This manual provides instructions for the safe and effective use of the QINK ROLMIL Cordless Pressure Washer. This is a battery-powered, portable cleaning tool designed for tasks around the home, car, and garden.

Cordless Pressure Washer main unit with battery, hose, nozzle, and foam cannon on a gray background.

Product Components

Your pressure washer kit includes the following items:

  • Main pressure washer gun
  • 21V/3.0Ah Lithium-ion Battery
  • Battery Charger
  • 16-foot High-Elastic Hose
  • 6-in-1 Adjustable Nozzle
  • Foam Cannon (Foam Blaster)
  • Sturdy Plastic Storage Case

All components of the pressure washer kit laid out, including the gun, battery, charger, hose, nozzle, foam cannon, and case.

Specifications

Specification Detail
Brand QINK ROLMIL
Model Number LX0201
Power Source Battery Powered (21V)
Maximum Pressure 800 PSI
Battery Capacity 3.0Ah
Approximate Runtime Up to 30 minutes (continuous)
Hose Length 16 Feet
Water Tank Volume 3000 Milliliters (integrated)
Product Dimensions (Gun) 10.4" L x 3.4" W x 8.66" H
Item Weight 3.5 Pounds (approx.)
Color Gray-BLUE

Features and Controls

Close-up of the pressure washer gun showing the trigger, battery slot, and water inlet connection.

Main Gun Assembly

  • Trigger: Located under the handle. Squeeze to start water flow and release to stop.
  • Battery Compartment: Located at the rear of the gun. Insert the 21V battery until it clicks into place.
  • Water Inlet: Connection point for the 16-foot hose.
  • Nozzle Connection: Front of the gun where the 6-in-1 nozzle or foam cannon attaches.

6-in-1 Adjustable Nozzle

The nozzle tip can be rotated to select different spray patterns:

  • 0° (Jet): A narrow, high-pressure stream for removing stubborn stains.
  • 15°: A focused fan for general cleaning.
  • 25°: A wider fan for cleaning larger surfaces.
  • 40°: A gentle, wide fan for rinsing.
  • Soap/Jet: For applying detergent.
  • Shower: A gentle rinse setting.

Diagram showing the six different spray patterns available from the adjustable nozzle: 0°, 15°, 25°, 40°, Jet, and Shower.

Foam Cannon

Attaches in place of the nozzle. Used to generate rich foam for car washing. Fill the reservoir with car wash soap and water mixture.

Battery and Charger

  • The 21V/3.0Ah lithium-ion battery powers the unit.
  • To charge, connect the charger to a standard wall outlet and plug it into the battery.
  • A full charge provides up to 30 minutes of continuous use (runtime varies with pressure setting).
  • Tip: Remove the battery from the gun after use to preserve charge.

Installation Process and Instructions

Step 1: Insert the battery pack correctly into the body and fasten it (after receiving the goods, charge the battery pack first.

Red light = charging

Green light = fully charged

Charging time is about 4 hours (fully charged, do not overcharge).

Step 2: Insert the gun head correctly into the fuselage and rotate it firmly (insert the rotating card firmly in both directions).

Step 3: Insert the water inlet connector (the connector contains a sealing ring to check whether it is intact) and insert the water inlet quick connector into the body to secure it. (If not installed properly, the machine will not absorb water, idling, and no pressure).

Step 4: After completing the installation steps, put the filter on the other end of the inlet pipe into the water source. It must be completely immersed in the water and cannot float on the water surface, otherwise air will enter during operation and the machine cannot be used normally.

Step 5: How to install and use the foam pot: as shown in the figure, insert the foam pot into the gun and rotate it firmly (the two ends are inserted into the bayonet and rotate it firmly).

Step 6: After cleaning, remove the battery pack and other accessories and place them in a cool and dry place. (Do not store in the trunk of the car in high temperature weather or other high temperature environments).

Use Guide

Initial Setup

  1. Remove all components from the storage case.
  2. Fully charge the battery using the provided charger.
  3. Insert the charged battery into the compartment on the gun until it clicks.
  4. Connect one end of the 16-foot hose to the water inlet on the gun. Hand-tighten securely.
  5. Attach the 6-in-1 nozzle to the front of the gun by twisting it clockwise.
  6. Fill the integrated water tank with clean, cool water.

Basic Operation

  1. Point the nozzle in a safe direction, away from people and fragile objects.
  2. Select the desired spray pattern by rotating the tip of the 6-in-1 nozzle.
  3. Squeeze the trigger to begin spraying. Release the trigger to stop.
  4. Start with a wider spray pattern (e.g., 40°) and lower pressure for delicate surfaces. Use the 0° jet stream only for tough stains on durable materials.
  5. Move the spray wand steadily across the surface for even cleaning.

Operation Precautions

  1. After the assembly is completed, you need to hold the trigger for 10s–15s to empty the air in the inlet pipe (still no water, check whether the inlet end is connected or fill the inlet pipe with water).

The above are the precautions for the installation and operation of each model of car washing machine. If you do not understand or have other questions, you can contact the after-sale customer service to provide operation videos and considerate services.

Pressure washer being used to clean a car tire and wheel.

Using the Foam Cannon

  1. Remove the 6-in-1 nozzle from the gun.
  2. Attach the foam cannon by twisting it onto the gun.
  3. Fill the foam cannon reservoir with a mixture of car wash soap and water as per the soap manufacturer's instructions.
  4. Operate the gun as normal. The output will be a thick foam suitable for pre-washing vehicles.

After Use and Storage

  1. Release the trigger and turn off the unit.
  2. Disconnect the hose.
  3. Remove the battery from the gun.
  4. Empty any remaining water from the tank.
  5. Wipe down the gun, hose, and nozzles with a dry cloth.
  6. Place all components neatly inside the provided plastic storage case.
  7. Store the case in a cool, dry place.

All components stored neatly inside the hard plastic carrying case.

Maintenance

  • Inspect the hose and connections for leaks or damage before each use.
  • Clean the water filter (if accessible) periodically to prevent clogging.
  • Do not store the unit with water in the tank, as this can lead to mineral buildup or damage in freezing temperatures.
  • Keep the battery contacts clean and dry.
  • If the unit will not be used for several months, store the battery with a partial charge (around 50%).

How to Clean the Vehicle Quickly

Firstly, wet the car body (from top to bottom) with a fan-shaped sprinkler to wash off the dust on the surface, then wash off the much mud with a high-pressure straight-line sprinkler, and then spray the foam onto the whole car body with a foam shell, then wash the car body with sponge. Finally, use the car washing machine to clean the whole car.

The normal washing time is around 10–20 minutes, and the water consumption is around 25–40L. If you need to prolong washing time, you can choose high endurance car washing machine.

Repair and Maintenance

Before each use, please check whether the machine and parts are damaged. If there is damage, stop using the machine and contact the supplier or manufacturer to replace the parts.

The water inlet pipe and filter must be cleaned after each use, and the bag must be covered to avoid oxidation, and stored properly for easy use in the future.

After the main engine is used, it should be run empty for a few seconds to drain the residual water in the machine to avoid oxidizing dirt and freezing due to weather, and store it in a dry and cool place.

Waste disposal: The damaged accessories and packaging materials must be sorted and recycled, and relevant labels must be made.

Do not store in the trunk of the car in high temperature weather to avoid the high temperature causing the car to catch fire.

Warning reminder: Do not use chemically acidic and muddy water sources, and must use clean, pollution-free, and impurity-free clear water sources.

Troubleshooting

Problem Possible Cause Solution
Unit does not turn on / no water pressure Battery not charged or not inserted properly. Charge the battery fully. Ensure it is clicked securely into the gun.
Low pressure Battery is low. Nozzle is clogged. Water tank is empty. Recharge battery. Check and clean nozzle tip. Refill water tank.
Water leaking from connections Hose or nozzle is not tightened securely. Turn off unit. Hand-tighten all connections.
Battery not charging Faulty outlet, charger issue, or battery problem. Try a different outlet. Check charger connections. Contact support if problem persists.
Foam cannon not producing foam Incorrect soap-to-water ratio or clogged inlet. Use recommended soap. Clean the foam cannon according to its instructions.

Fault Resolution

The machine does not absorb water during normal operation

  1. The machine is too high above the water

  2. The filter screen is blocked by foreign matters

  3. Poor connection between water inlet pipe and machine, air leakage or water inlet pipe rupture

  4. The water inlet pipe is bent and jammed, and the water enters normally

  5. The pump head is frozen due to cold weather

Sudden increase in water outlet pressure or abnormal water type

  • The head of the water gun is blocked by foreign matter

The machine does not start

  1. The battery pack is not installed in place

  2. The battery pack is dead

  3. The battery pack is broken

The battery pack cannot be charged

  • The charger doesn’t match or doesn’t work

The machine pressure is discontinuous

  1. There is air in the pump

  2. The machine is in low pressure mode

The machine stops automatically

  1. The battery is out of power

  2. The gun head is blocked and the current is protected

Water leakage inside the machine

  • Chemical acid water source or assembly reason

Warranty and Support

Your purchase includes support from QINK ROLMIL. For product assistance, warranty claims, or to obtain missing parts, please contact the seller through your Amazon purchase history or the store page.

Manufacturer: Anhui Xinceli Technology Co., LTD

Safety Information

User Safety Warning

When using this product, you must carefully read the safety specification manual and relevant warnings and safety precautions. The following warnings and instructions may cause electric shock, fire or personal injury. Keep the warning instructions for reference by unfamiliar operators.

Hand Held Lithium Cleaning Machine Use Safety Warning

  1. When using the machine, make sure it is the original machine and accessories (charger and battery pack).

  2. Do not direct the water flow to the crowd and live components during use.

  3. When charging the battery pack, ensure that children do not touch the area.

  4. The battery pack and charger should be stopped immediately when they are dropped, collided or wet.

  5. The battery pack must be charged in the presence of someone.

  6. The charger must be of the original manufacturer (it is prohibited to use other charging accessories or charging methods without authorization or the original manufacturer’s suggestions).

  7. The charging environment is forbidden in high temperature or unattended or children’s accessible seats.

  8. Unscheduled product inspections. If the main unit of the charger, battery pack, car washer is abnormal or damaged or malfunctions, please do not modify or disassemble it privately.

  9. Do not use chemically acidic and muddy water sources, and must use clean, pollution-free, and impurity-free clear water sources.

Warning – Read Instructions

The battery contains lithium. In order to protect the environment, the waste battery should be recycled by classification. It should not be thrown randomly. It should not be put into the water. It should not be put into the fire source (or close to the fire source).

Safety Precautions for Battery Packs

  1. It is forbidden to disassemble, open or shred the battery pack.

  2. It is forbidden to expose the battery pack to heat sources or high-temperature direct sunlight areas.

  3. It is forbidden to short-circuit the battery pack (positive and negative poles connected incorrectly), and do not put the battery pack in a box or drawer to avoid short-circuit between them or short-circuit by other metal objects.

  4. Do not take out the battery or battery pack from the original packaging at will before use.

  5. Do not allow the battery pack to be dropped or mechanically impacted.

  6. Once the battery leaks, do not directly contact the eyes or skin with the leaked liquid. In the event of accidental contact, immediately rinse the contact area with plenty of water and seek medical attention in time.

  7. Do not use chargers and battery packs that are not factory-configured. (Causes machine failure or accidental personal injury)

  8. Pay attention to the (+) pole and (–) pole signs on the battery pack to ensure correct connection and use.

  9. Keep the machine and battery pack away from children.

  10. If you purchase a matching battery pack or charger, you must go through the manufacturer’s guidance.

  11. Ensure that the battery pack is clean and dry. (If there is dust or residual water, wipe it with a clean cloth or air dry immediately. Drying with a hair dryer or hot air gun is prohibited)

  12. The battery pack must be charged before use. When charging, use the correct charger and refer to the manufacturer’s operating instructions or the equipment’s original operating instructions.

  13. Do not charge the battery pack for a long time when the machine is not in use, pay attention to the traffic light, the green light is charging, and the red light is full.

  14. If the machine is not used for long-term storage, the battery pack should be charged and discharged several times to obtain the best performance.

  15. The performance of the battery pack is best when used at room temperature (20°C ±5°C).

  16. This product is only suitable for household doors and windows, courtyards, vehicles, and garden cleaning operations. It must not be used for commercial operations or main-frequency mandatory use.

  17. When the machine is not in use, take out the battery pack as much as possible to disconnect.

  18. If the battery pack is damaged due to other man-made damage or collisions, high temperature radiation damage, reasonable disposal and recycling, and shall not be discarded and pollute the environment at will.

 

Reference file: QINK ROLMIL LX0201 800PSI Cordless Pressure Washer Battery Powered with 6-in-1 Nozzle

Specifications

QINK ROLMIL LX0201 Questions and Answers

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