1. Product Overview
The 2UUL SC81 Surgun Electric Glue Gun is a precision tool designed for controlled application of soldering flux and needle-tube glue. Featuring auto-release pressure, it prevents glue overflow, ensuring clean and accurate work for various repair tasks, especially in electronics and household DIY projects. Its ergonomic design allows for comfortable and precise handling.
Product demonstration video showcasing the 2UUL SC81 Surgun Electric Glue Gun's features and ease of use.
2. Key Features
- Precision in the Palm: Ergonomic design for comfortable and accurate handling.
- Auto-Release Pressure: Prevents glue overflow for clean and precise application.
- Adjustable Power Gears: Three distinct power levels (High, Medium, Low) for versatile use.
- Type-C Charging: Convenient and modern charging interface.
- Battery Indicator: Clear LED indicators for charging status and power levels.

This image illustrates the 2UUL Surgun Electric Glue Gun in action, precisely applying glue to the edge of a smartphone screen, emphasizing its 'One Glue to The End' capability.

The 2UUL Surgun Electric Glue Gun is designed for 'Precision in the Palm', as shown in this image, allowing for comfortable and accurate handling during delicate repair tasks.

This image details the 'Auto Release Pressure' mechanism of the SC81 Surgun Electric Glue Gun, a key feature designed to 'Prevent Glue Overflow' for clean and precise application.
3. Specifications
| Parameter | Value |
|---|---|
| Model No. | SC81 |
| Input | 5V/0.6A |
| Output | 5V/0.6A~1A |
| Battery Capacity | 1100mAh |
| Product Size | 81*78*25mm |
| Suitable for Glue Inner Diameter | 23mm |
| Net Weight | 85g |
| Gross Weight (Package) | 106g |
| Material | POLYESTER |
| Application | Household Tool Set, Electrical DIY |

This image provides detailed specifications for the 2UUL Surgun Electric Glue Gun, Model SC81. It is suitable for glue with an inner diameter of 23mm. Key parameters include Input: 5V/0.6A, Output: 5V/0.6A~1A, and a Battery capacity of 1100mAh. The product dimensions are 81x78x25mm, with a package size of 101x95x29mm. The net weight is 85g, and the gross weight is 106g.
4. Setup
- Unpack: Carefully remove the glue gun and all accessories from the packaging.
- Charge the Device: Before first use, fully charge the glue gun using the provided Type-C charging cable. The charging indicator light will be red during charging and turn green when fully charged.
- Insert Glue Tube: Ensure the glue tube you intend to use has an inner diameter of 23mm for proper fit. Insert the glue tube into the designated slot on the glue gun.
5. Operating Instructions
- Power On/Off: Long press the main button to turn the glue gun on or off.
- Select Gear: Short press the main button to cycle through the three power gears:
- Red Light: High Power
- Green Light: Medium Power
- Blue Light: Low Power
- Apply Glue: Once the desired gear is selected, press the trigger to dispense glue. The auto-release pressure feature will help prevent excess glue from flowing when the trigger is released.
- Monitor Battery: Keep an eye on the charging indicator light. Recharge when the battery is low to avoid interruptions during work.

This diagram explains the user interface of the Surgun Electric Glue Gun. It features a Type-C Charging Port and a Charging Indicator Light (Red for Charging, Green for Fully Charged). The device has three power gears: Red for High, Green for Medium, and Blue for Low. A long press of the button turns the device on/off, while a short press switches between gears.
6. Maintenance
- Cleaning: After each use, ensure any residual glue on the nozzle or surrounding areas is carefully wiped away before it dries. Use a soft, dry cloth.
- Storage: Store the glue gun in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid completely draining the battery frequently. Charge it regularly, even if not in constant use.
- Nozzle Inspection: Periodically check the nozzle for blockages or damage. Clear any blockages gently to maintain optimal performance.
7. Troubleshooting
- Glue Not Dispensing:
- Check if the glue tube is correctly inserted and not empty.
- Ensure the device is powered on and a gear is selected.
- Verify the nozzle is not clogged.
- Device Not Turning On:
- Ensure the battery is charged. Connect to a Type-C charger and check the charging indicator.
- Perform a long press on the power button to ensure it's not a short press.
- Inconsistent Glue Flow:
- Adjust the power gear to a higher setting if the glue is too thick.
- Ensure the glue tube is not nearing empty.
8. User Tips
- For delicate work, start with the lowest power setting and gradually increase if needed.
- Always test the glue flow on a scrap piece of material before applying to your actual project.
- Keep the Type-C charging port clean and free of debris to ensure reliable charging.
- When working with different types of glue, ensure the nozzle is thoroughly cleaned to prevent cross-contamination or hardening.
9. Warranty and Support
This product is designed for durability and performance. For any issues or concerns, please refer to the following general guidelines:
- Returns: Free returns are typically available within 90 days of purchase. Please check with your retailer for specific return policies.
- Refunds: Refunds may be issued for delayed delivery, lost packages, or damaged items. Refer to your purchase platform's buyer protection policies for details.
- Technical Support: For further assistance, please contact the seller or manufacturer directly through their official support channels.