Awgem SH2 Portable Spot Welder Instruction Manual

1. Introduction

The Awgem SH2 Portable Spot Welder is a compact and versatile tool designed for various welding applications, particularly for battery pack assembly and repair. Featuring a 2-in-1 lightweight design, intelligent chip protection, and a 1.3-inch digital display, it offers precise control and ease of use for both automatic and manual welding modes.

Package Contents

Image: Awgem SH2 Portable Spot Welder and included accessories.

Depending on your package, you will receive:

• Awgem SH2 Handheld Mini Spot Welder x1
• Type-C Charging Cable x1
• Nickel-plated strip x1
• Sandpaper x1
• Instruction Manual x1

Some packages may also include:

• CuO-Al welding needles x2 (spare)

2. Setup

2.1 Charging the Device

Before initial use, ensure the spot welder is fully charged. Connect the provided Type-C charging cable to the device and a compatible 5V/2.1A power source. The digital display will indicate charging status.

2.2 Power On/Off

• To power on or off the device, press and hold the ON/OFF/Option Toggle Key (top button) for 2 seconds.

2.3 Welding Needle Installation and Adjustment

Image: Step-by-step guide for welding needle replacement and spacing adjustment.

The Awgem SH2 features scientifically replaceable soldering pins with adjustable spacing (0.5-3mm) to adapt to diverse welding needs.

1. Loosen Screws: Loosen the fixing screws of the welding pins on both sides using a screwdriver.
2. Remove Pin: Remove the soldering pin along the direction of the soldering pin.
3. Install New Pins: Install new soldering pins.
4. Adjust Spacing: Move the welding needle up and down to adjust the spacing between 0.5mm and 3mm.
5. Tighten Screws: Tighten the fixing screws of the welding pins on both sides to secure the pins and maintain the desired spacing.

3. Operating Instructions

3.1 Digital Display Overview

Image: Close-up of the 1.3-inch intelligent digital display screen.

The 1.3-inch intelligent digital display screen provides real-time information and allows for precise control:

• Battery Indicator: Shows current battery level.
• Mode Indicator: Displays current welding mode (Automatic 'A' or Manual 'M').
• Gear Indicator: Shows the selected welding gear/power level.
• Temperature Indicator: Displays the device's internal temperature.

3.2 Mode Selection (Automatic/Manual)

• To switch between automatic ('A') and manual ('M') welding modes, press and hold the Manual Welding Key (bottom button) for 2 seconds.

3.3 Gear Adjustment (90 Levels)

• The device offers 90 adjustable gear levels for precise power output.
• Short Press: Short press the Adjustment Key (top button) to adjust the welding parameters (gear level).
• Press and Hold: Press and hold the Adjustment Key to toggle between integer and decimal values for fine-tuning the gear adjustment.

3.4 Welding Process

Image: Diagram illustrating dual pulse welding and various weldable materials with their maximum thicknesses.

The Awgem SH2 utilizes dual pulse millisecond welding technology to ensure firm solder joints without virtual welding. It can effectively weld various materials:

• Nickel plating: Up to 0.25mm (MAX)
• Steel sheet: Up to 0.2mm (MAX)
• Iron sheet: Up to 0.2mm (MAX)
• Pure nickel sheet: Up to 0.15mm (MAX)

Applications:

Image: Examples of spot welder applications including hardware maintenance, DIY creation, and battery assembly.

• Cylindrical batteries (e.g., 18650, 26650, 36650)
• Mobile phone battery repair and transplantation
• Button battery welding
• Hardware equipment maintenance and reinforcement
• DIY creation, splicing, and assembly

4. Maintenance

4.1 Welding Needle Replacement

Refer to section 2.3 for detailed instructions on how to replace and adjust the welding needles. Regularly inspect welding needles for wear and tear to ensure optimal welding performance.

4.2 General Cleaning

Keep the device clean and free from dust and debris. Use a soft, dry cloth to wipe the exterior. Ensure no liquids enter the device.

5. Troubleshooting

5.1 Safety Features and Protections

Image: Details on intelligent temperature control and high-power protection features.

The Awgem SH2 is equipped with multiple safety features:

• Intelligent Temperature Control: Real-time monitoring of temperature with 85°C automatic protection to prevent component aging.
• Overpower Protection: Millisecond-level power outage and overload circuit breaker for hardware-level protection.
• Industrial Grade Protection: Features a security chip and temperature sensor exceeding industry standards.
• Automatic Shutdown: The device will automatically shut down after 8 minutes of inactivity to conserve battery and prevent accidental operation.

5.2 Common Issues

• Poor Welds: Ensure welding needles are clean, sharp, and properly spaced. Adjust the gear level according to the material thickness. Ensure the nickel strip and battery terminals are clean.
• Device Not Powering On: Check battery level and ensure the device is fully charged. Press and hold the power button for 2 seconds.
• Device Overheating: The device has built-in temperature protection. Allow it to cool down if it automatically shuts off due to high temperature.

6. Specifications

7. User Tips

• Always ensure the welding surface is clean and free of oxidation for the best weld quality. Use sandpaper if necessary.
• Start with lower gear settings and gradually increase until you achieve a strong, consistent weld for your specific material and thickness.
• Practice on scrap materials before working on your main project to get a feel for the device and optimal settings.
• Take advantage of the adjustable welding pin spacing to match the size of your workpieces and achieve precise welds.
• The device is designed for portability and single-handed use, making it convenient for intricate tasks.

8. Warranty and Support

For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.