1. Important Safety Instructions
Please read all instructions carefully before using the SHARDOR All-Metal Single-Dose Coffee Grinder. Retain this manual for future reference.
- Electrical Safety: Do not immerse the grinder body, cord, or plug in water or other liquids. Ensure hands are dry before handling the appliance.
- Power Source: Use only the provided USB charging cable. Ensure the power source matches the voltage requirements specified on the appliance.
- Children and Supervision: This appliance is not intended for use by children. Close supervision is necessary when any appliance is used near children.
- Moving Parts: Avoid contact with moving parts. Keep fingers, hair, clothing, and utensils away from the grinding burrs during operation to prevent injury.
- Maintenance: Unplug the grinder before cleaning or when not in use. Do not operate the appliance with a damaged cord or plug, or after the appliance malfunctions or has been damaged in any manner.
- Proper Use: This grinder is designed for grinding whole coffee beans only. Do not grind other substances such as nuts, spices, or non-food items, as this may damage the appliance or cause injury.
- Ventilation: Ensure adequate ventilation around the grinder during operation.
2. Product Overview and Components
Familiarize yourself with the parts of your SHARDOR coffee grinder.

This image displays the SHARDOR All-Metal Single-Dose Coffee Grinder in black, alongside a pile of whole coffee beans and a stainless steel measuring spoon. A USB charging cable is also visible in the background. The grinder features a sleek, cylindrical design with a textured body and a wooden top cap.
- Bean Hopper Lid: Wooden cap for the bean hopper.
- Bean Hopper: Where whole coffee beans are placed for grinding.
- Grind Adjustment Dial: Allows selection of 80 grind settings.
- Grinding Burrs: Internal components that grind coffee beans.
- Grind Outlet: Where ground coffee exits the grinder.
- Grounds Collection Cup: Catches the freshly ground coffee.
- LED Display: Shows current grind setting or battery status.
- Power Button: Initiates and stops the grinding process.
- USB-C Charging Port: For recharging the internal battery.
3. Setup and Initial Use
3.1 Unpacking
- Carefully remove all components from the packaging.
- Check for any damage during transit. If damaged, do not use and contact customer support.
- Retain packaging for storage or future shipping.
3.2 Initial Cleaning
Before first use, clean all removable parts that will come into contact with coffee.
- Remove the bean hopper lid and grounds collection cup.
- Wipe the exterior of the grinder with a damp cloth.
- Wash the grounds collection cup and bean hopper lid with warm, soapy water, then rinse thoroughly and dry completely.
- Use the provided cleaning brush to remove any dust or debris from the grinding burrs.
- Ensure all parts are completely dry before reassembly.
3.3 Charging the Battery
The grinder is equipped with an 1800 mAh rechargeable battery. Fully charge the unit before first use.

An internal view diagram of the SHARDOR coffee grinder highlighting its 1800 mAh battery. The diagram indicates approximate grinding cycles per charge: 50 times at gear 0, 75 times at gear 40, and 150 times at gear 80. It also shows the USB-C charging port.
- Connect the provided USB-C cable to the charging port on the grinder.
- Connect the other end of the cable to a suitable USB power adapter (not included).
- The LED display will indicate charging status. A full charge typically takes approximately 4 hours.
- Once fully charged, disconnect the charging cable.

A person is shown enjoying a cup of coffee in an outdoor setting, with the SHARDOR rechargeable coffee grinder placed on a small table next to a pour-over coffee setup. This illustrates the portability and long battery life of the grinder, allowing use without immediate access to power outlets.
4. Operating Instructions
4.1 Adjusting Grind Settings
The grinder offers 80 adjustable settings to accommodate various brewing methods.

A detailed view of the grinder's adjustment dial, showing the range of 80 grind settings from fine to coarse. Specific ranges are indicated for Espresso (1-20), Mocha Coffee (20-40), Pour Over (40-60), and French Press (60-80), demonstrating its versatility for various brewing methods.
- To adjust the grind size, rotate the grind adjustment dial located on the upper part of the grinder.
- Rotate towards 'fine' for smaller grind particles (lower numbers).
- Rotate towards 'coarse' for larger grind particles (higher numbers).
- Refer to the following general guidelines for common brewing methods:
- Espresso: Settings 1-20 (Very Fine)
- Mocha Coffee: Settings 20-40 (Fine to Medium-Fine)
- Pour Over: Settings 40-60 (Medium)
- French Press: Settings 60-80 (Coarse)
- Experiment with settings to find your preferred grind for optimal flavor.
4.2 Adding Coffee Beans
This grinder features a single-dose design, allowing you to grind only the amount needed for immediate use, ensuring freshness.
- Remove the bean hopper lid.
- Add the desired amount of whole coffee beans into the bean hopper. Do not overfill.
- Replace the bean hopper lid securely.
4.3 Grinding Process

A close-up image of a finger pressing the power button on the SHARDOR coffee grinder. The LED display shows '03', indicating a countdown or setting. This highlights the simple one-touch operation for starting the grinding process.
- Ensure the grounds collection cup is properly in place.
- Press the Power Button once to start grinding. The grinder will automatically stop once all beans have been processed.
- The LED display may show a countdown or indicate operation status.
- The grinder operates with ultra-low noise, minimizing disturbance.

The SHARDOR coffee grinder is shown in operation on a table, with a person sleeping peacefully in the background. An overlay indicates '56 dB', illustrating the grinder's ultra-low noise operation designed to minimize disturbance in a home environment.
4.4 Low Residual Grounds
The grinder is designed for minimal retention, ensuring that nearly all the coffee beans you put in are converted into ground coffee.

This image compares 18 grams of whole coffee beans with 17.8 grams of ground coffee, demonstrating the grinder's low retention design. This minimizes residual grounds, ensuring fresh flavor with each use and reducing waste.
This feature helps maintain the purity of coffee flavor by preventing stale grounds from mixing with fresh ones.
5. Maintenance and Cleaning
Regular cleaning ensures optimal performance and extends the lifespan of your grinder.

An exploded diagram revealing the internal components of the SHARDOR coffee grinder, emphasizing its full stainless steel construction. This design ensures durability, rust resistance, and ease of cleaning for maintaining coffee flavor purity.
- Always unplug the grinder before cleaning.
- Grounds Collection Cup and Lid: These parts can be washed with warm, soapy water. Rinse thoroughly and dry completely before reattaching.
- Grinding Burrs: Use the provided cleaning brush to remove any accumulated coffee grounds from the burrs and the grind outlet. For a deeper clean, the upper burr can typically be removed by twisting it counter-clockwise. Refer to the diagram for specific removal instructions if needed.
- Exterior: Wipe the exterior of the grinder with a soft, damp cloth. Do not use abrasive cleaners or immerse the main body in water.
- Storage: Store the grinder in a cool, dry place when not in use.
6. Troubleshooting
If you encounter issues with your grinder, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Grinder does not start. | Battery is low or depleted. | Charge the grinder fully using the provided USB-C cable. |
| Bean hopper lid or grounds cup not properly seated. | Ensure all components are securely in place. | |
| Inconsistent grind size. | Burrs are dirty or clogged. | Clean the grinding burrs thoroughly with the cleaning brush. |
| Grind setting is too coarse/fine for desired result. | Adjust the grind setting dial to a more appropriate number for your brewing method. | |
| Grinder stops unexpectedly during operation. | Overload or jam. | Turn off the grinder, remove beans, clean burrs, and restart. Do not overfill the hopper. |
| Battery is low. | Recharge the grinder. |
If the problem persists after attempting these solutions, please contact SHARDOR customer support.
7. Specifications

The SHARDOR coffee grinder is displayed on a kitchen counter next to an espresso machine, with dimensions labeled as 2.3 inches by 3.9 inches at the base and 7 inches in height. This illustrates its compact design, suitable for small spaces.
- Brand: SHARDOR
- Model: UL-BZ02-DL2507US
- Color: Black
- Product Dimensions: 5"L x 10"W x 5"H (Overall, approximate)
- Item Weight: 2.92 pounds
- Grind Settings: 80 adjustable settings
- Motor: Quiet DC Motor
- Battery: 1800 mAh (2 x 9V batteries included)
- Construction: All-Metal, Full Stainless Steel Burrs
- Display: LED Power Display
8. Warranty and Support
SHARDOR products are manufactured with quality and performance in mind. For warranty information, technical support, or any questions regarding your SHARDOR All-Metal Single-Dose Coffee Grinder, please contact SHARDOR customer service.
Please refer to the contact information provided with your purchase or visit the official SHARDOR website for assistance.





