Introduction
This manual provides instructions for the safe and efficient use of your MIJIA Electric Precision Screwdriver Kit. Please read this manual thoroughly before operating the device and retain it for future reference.
Figure 1: MIJIA Electric Precision Screwdriver Kit
Setup
1. Charging the Screwdriver
Before first use, fully charge the screwdriver. The device features a Type-C charging port.
- Locate the Type-C charging port at the top of the screwdriver.
- Connect a compatible Type-C charging cable to the port and a power source.
- The charging indicator light will show the charging status.
Figure 2: Type-C Charging Port
2. Installing Screwdriver Bits
The kit includes various precision screwdriver bits. The screwdriver features a magnetic bit holder for easy installation and removal.
- Select the appropriate bit for your task.
- Insert the bit firmly into the magnetic bit holder at the tip of the screwdriver.
- Ensure the bit is securely seated before operation.
Figure 3: Bit Installation
Operating Instructions
1. Power On/Off and Direction Control
The screwdriver is operated via a simple button interface. Press the 'L' button for counter-clockwise rotation (loosening) and the 'R' button for clockwise rotation (tightening).
2. Torque Control
The MIJIA Electric Precision Screwdriver features two adjustable torque settings to accommodate different precision tasks:
- Gear I: 0.05 N·m - Ideal for delicate tasks such as repairing smartphones, watches, and other small electronics.
- Gear II: 0.2 N·m - Suitable for general precision work, including laptops, cameras, and drones.
To switch between torque settings, rotate the ring at the top of the screwdriver. Align the indicator with 'I' for 0.05 N·m or 'II' for 0.2 N·m.
Figure 4: Torque Adjustment Dial
3. General Operation
- Select the correct screwdriver bit and install it securely.
- Choose the appropriate torque setting (Gear I or Gear II) for your application.
- Position the screwdriver bit onto the screw head.
- Press and hold the 'L' button to loosen or the 'R' button to tighten the screw.
- Release the button once the screw is fully loosened or tightened. Avoid over-tightening, especially with delicate components.
4. Product Demonstration Video
Video 1: Official product demonstration showcasing features and usage.
Maintenance
1. Cleaning
- Wipe the screwdriver body and bits with a soft, dry cloth after each use.
- Do not use abrasive cleaners or solvents, as these can damage the finish or internal components.
- Ensure the charging port is free from dust and debris.
2. Storage
Store the screwdriver and its bits in the provided aluminum case when not in use. This protects the components from dust, moisture, and damage.
- Keep the kit in a cool, dry place, away from direct sunlight and extreme temperatures.
- Ensure the screwdriver is fully charged before long-term storage to maintain battery health.
Figure 5: Screwdriver Kit in Storage Case
3. Battery Care
- Avoid completely draining the battery frequently.
- Charge the battery regularly, even if the screwdriver is not in active use, to prolong its lifespan.
- Do not expose the battery to high temperatures or puncture it.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Screwdriver operates slowly or gets stuck. | Low battery charge; Incorrect torque setting for the task; Worn or incorrect bit. |
|
| Torque settings feel the same or ineffective. | Incorrect torque selection; User expectation mismatch; Potential defect. |
|
| Screwdriver does not turn on. | Battery is completely discharged. | Connect the screwdriver to a Type-C charger and allow it to charge for at least 30 minutes before attempting to power on. |
Specifications
| Feature | Detail |
|---|---|
| Brand | XIAOMI |
| Model Number | MJDDLSD003QW |
| Type | Precision Screwdriver |
| Power Source | Battery (Included: Yes) |
| Motor Type | Brushless |
| Torque Control | 2-gear (0.05 N·m, 0.2 N·m) |
| No-load Speed | 170 rpm |
| Battery Capacity | 350mAh |
| Charging Port | Type-C |
| Screwdriver Bit Concentricity | ≤0.2mm |
| Shaft Diameter | 16.4 mm |
| Included Precision Screws | 400+ pieces |
| Certification | CE |
| Origin | Mainland China |
| Package Dimensions (L x W x H) | 26 cm x 12 cm x 7 cm |
| Package Weight | 0.445 kg |
Figure 6: Internal Specifications Diagram
User Tips
- Optimal Performance: Ensure the screwdriver is fully charged before starting any task to maintain consistent power and speed.
- Torque Selection: Always verify the torque setting is appropriate for the task. The two torque settings (0.05 N·m and 0.2 N·m) are designed for different precision levels; using the correct one prevents damage to screws or components.
- Bit Compatibility: Use only the provided precision bits or other compatible high-quality bits to ensure proper fit and prevent stripping screw heads.
Warranty and Support
For detailed warranty information and customer support, please refer to the official product documentation or contact your retailer.
A comprehensive user manual in PDF format is available for download:
For further assistance, please contact Xiaomi customer support or your local service center.