1. Introduction
The Awgem Portable Spot Welder is a versatile and compact tool designed for various welding applications, particularly for battery assembly and repair. It features a 2-in-1 design, integrating the power supply and welding pen for enhanced portability and ease of use. This manual provides essential information for the safe and effective operation of your spot welder.
Product Overview Video
This video demonstrates the Awgem SH2 Portable Spot Welder in action, showcasing its automatic and manual welding modes, adjustable pins, and various applications.
2. Package Contents
Please check the package carefully to ensure all items are present:
- Awgem SH2 Handheld Mini Spot Welder (or SH1 variant) x 1
- CuO-Al welding needles x 2 (spare)
- Nickel-plated strip (2 meters) x 1
- Type-C charging cable x 1
- Sandpaper x 1
- User Manual x 1
Image: Awgem SH1 Spot Welder and its accessories.
3. Specifications
| Attribute | Value (SH2 Model) | Value (SH1 Model) |
|---|---|---|
| Brand Name | Awgem | Awgem |
| Model Number | Awgem SH2-Upgraded | Awgem SH1-Upgraded |
| Product Name | Mini Portable Spot Welder | Mini Portable Spot Welder |
| Shell Material | Plastic | Plastic |
| Product Color | Black | Black |
| Spot Welding Mode | Manual/Automatic | Manual/Automatic |
| Gear Adjustment | 90 Gears Adjustable | 11 Gears Adjustable |
| Product Weight | About 150g | About 150g |
| Dimensions (excluding soldering pin) | 165 x 45.5 x 24mm | 165 x 45.5 x 24mm |
| Input Interface | Type-C | Type-C |
| Input Parameters | 5V/2.1A (MAX) | 5V/2.1A (MAX) |
| Output Voltage | 4.2V (MAX) | 4.2V (MAX) |
| Max. Welding Thickness | 0.25mm | 0.25mm |
| Built-in Battery | Rechargeable Lithium Battery | Rechargeable Lithium Battery |
| Dual Pulse Output | Supports | Supports |
| Temperature Control Protection | Supports | Supports |
| Welding Needle Disassembly | Supported | Supported |
| Welding Distance Adjustment | Supported | Supported |
| Working Temperature | -10~60 ℃ | -10~60 ℃ |
| Charging Temperature | 0-60 ℃ | 0-60 ℃ |
| Certification | CE | CE |
Note: Specifications are subject to change without prior notice. Always refer to the product label for the most accurate information.
4. Setup
4.1 Initial Charging
Before first use, fully charge the spot welder using the provided Type-C charging cable and a 5V/2.1A (MAX) power adapter. The device features a built-in rechargeable lithium battery.
4.2 Power On/Off
- Power On: Press and hold the ON/OFF/Option Toggle Key (top button) for 2 seconds. The digital display will light up.
- Power Off: Press and hold the ON/OFF/Option Toggle Key for 2 seconds. The device will also automatically shut down after 8 minutes of inactivity to conserve battery.
Image: 1.3-inch intelligent digital display screen.
4.3 Welding Needle Installation and Adjustment
The Awgem spot welder features scientifically replaceable soldering pins with adjustable spacing to adapt to diverse welding needs.
- Loosen Screws: Loosen the fixing screws of the welding pins on both sides using a 3mm outer diameter cross screwdriver.
- Remove Pins: Remove the soldering pin along the direction of the soldering pin.
- Install New Pins: Install new soldering pins.
- Adjust Spacing: Move the welding needle up and down to adjust the spacing between 0.5mm and 3mm.
- Tighten Screws: Tighten the fixing screws of the welding pins on both sides to secure them.
Caution: Do not forcibly remove screws if they are embedded, as this may cause damage to the shell. Ensure proper alignment to avoid virtual welding.
Image: Needle Replacement Guide.
Image: Adjustable welding spacing (0.5-3mm).
5. Operation
5.1 Adjusting Welding Gears (Power Output)
The Awgem spot welder offers adjustable power output to suit different materials and thicknesses. The SH2 model has 90 gears, while the SH1 model has 11 gears.
- Short Press (Adjustment Key): Short press the Adjustment Key (top button) to adjust welding parameters (gears).
- Long Press (Adjustment Key): Press and hold the Adjustment Key to toggle between integer and decimal values for gear adjustment.
Image: 90-level output power adjustment (SH2).
Image: 11-speed output power adjustment (SH1).
5.2 Switching Welding Modes (Automatic/Manual)
The spot welder supports both automatic and manual welding modes.
- Switch Mode: Press and hold the Manual Welding Key (bottom button) for 2 seconds to switch between automatic (A) and manual (M) welding modes.
5.3 Welding Process
The device uses dual pulse technology for firm solder joints without virtual soldering, capable of welding up to 0.25mm thickness.
- Preparation: Ensure the welding surface is clean. Use the provided sandpaper if necessary.
- Placement: Place the nickel strip or material to be welded firmly against the battery or surface.
- Welding: Apply the welding pins to the desired spot. In automatic mode, the device will detect contact and initiate welding. In manual mode, press the Manual Welding Key to trigger the weld.
- Check Weld: After welding, gently test the joint to ensure it is firm.
Image: Dual pulse output and weldable materials.
6. Applications
The Awgem Portable Spot Welder is widely applicable for various scenarios:
- Cylindrical Cell Welding (e.g., 18650, 26650, 36650 batteries)
- Mobile Phone Battery Transplantation/Repair
- Sheet Metal Welding (up to 0.25mm nickel plating, 0.2mm steel/iron, 0.15mm pure nickel)
- Button Cell Welding
- Hardware Equipment Maintenance and Reinforcement
- DIY Creation, Splicing, and Assembly
Image: Diverse applications of the spot welder.
7. Safety Features
Your Awgem Spot Welder is equipped with multiple protection mechanisms to ensure safe operation:
- Intelligent Temperature Control: Real-time monitoring of temperature with 85°C automatic protection to prevent component aging.
- High-Power Protection: Millisecond-level power outage and overload circuit breaker for hardware-level protection.
- Overcharge Protection: Prevents battery damage from excessive charging.
- Short Circuit Protection: Automatically cuts off output in case of a short circuit.
- Over-discharge Protection: Protects the battery from being fully depleted.
- Voltage Stabilization Protection: Ensures stable voltage output during operation.
- Anti-Impact Protection: Designed for durability and resistance to minor impacts.
- Low Power Consumption Indication: Alerts when battery is low.
- Automatic Shutdown: Device automatically powers off after 8 minutes of inactivity.
Image: Intelligent temperature control and high-power protection.
8. Maintenance
- Cleaning: Regularly clean the welding pins and the device body with a dry, soft cloth. Ensure no debris or metal particles accumulate around the welding tips.
- Pin Condition: Inspect welding pins for wear or damage. Replace them if they become dull or pitted to ensure optimal welding performance.
- Storage: Store the spot welder in a cool, dry place away from direct sunlight and moisture. Ensure it is fully charged before long-term storage.
- Charging: Use only the provided Type-C cable and a compatible 5V/2.1A (MAX) charger. Avoid using high-voltage chargers.
9. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Low battery; Power button not pressed long enough | Charge the device; Press and hold the power button for 2 seconds |
| Weak or inconsistent welds | Incorrect gear setting; Dirty/worn welding pins; Insufficient contact pressure; Material too thick | Adjust to a higher gear; Clean or replace pins; Apply firm, even pressure; Ensure material is within weldable thickness limits |
| Device overheats | Continuous heavy use | Allow the device to cool down. The intelligent temperature control will prevent damage. |
| Welding pins spark excessively or stick | Pins are dirty or oxidized; Incorrect power setting | Clean pins with sandpaper; Adjust power setting appropriately for the material |
| Digital display not working | Device off; Malfunction | Power on the device; Contact customer support if issue persists |
10. User Tips
- Practice First: If you are new to spot welding, practice on scrap pieces of nickel strip and old batteries before working on important projects.
- Optimal Pressure: Apply consistent and firm pressure to the welding pins. Too little pressure can result in weak welds, while too much can deform the material.
- Cleanliness is Key: Always ensure the welding tips and the materials to be welded are clean and free of oxidation for the best results. Use the provided sandpaper to clean the nickel strip and welding pins.
- Adjust Gears Gradually: Start with a lower gear setting and gradually increase it until you achieve a strong, clean weld. Different materials and thicknesses may require different settings.
- Battery Health: For optimal performance and longevity, keep the spot welder's internal battery charged and avoid deep discharges.
11. Warranty and Support
Awgem products are manufactured to high-quality standards. For any warranty claims, technical support, or service inquiries, please contact the seller or manufacturer directly through your purchase platform. Keep your proof of purchase for warranty validation.
The manufacturer has accumulated 29 global patents and over 10 years of development experience in welding equipment, ensuring authoritative qualifications and strict product testing.
Image: Awgem Certifications and Patents.