3goa Handheld Spot Welding Board Review – Pros & Cons – 3goa Spot Welder Control Board

The 3goa Handheld Spot Welding Board is a remarkably versatile and powerful tool, serving as the heart of any DIY spot welding project. It is akin to a master conductor, orchestrating a symphony of power and precision to seamlessly fuse metal components. With its six-gear adjustable control, this board provides an unparalleled level of customization, allowing you to fine-tune the welding process for different materials and thicknesses. Consequently, whether you’re working with delicate nickel strips or more robust battery tabs, you can achieve a perfect, clean weld every time. Moreover, its wide current range of 100-900A ensures it can handle a broad spectrum of tasks, from small-scale repairs to assembling large battery packs. Therefore, this 3goa Handheld Spot Welding Board is not just a circuit board; it is a gateway to a world of creative possibilities, empowering hobbyists and professionals alike to build and repair with confidence and skill.

Furthermore, the portable and mini design of this control board kit makes it an ideal companion for on-the-go projects, and it’s as light as a feather, yet as strong as an ox. Its compact size belies its immense power, enabling you to transform a simple battery into a formidable energy source. Likewise, its DIY nature encourages exploration and learning, and it arrives as a blank canvas, awaiting your artistic touch. In fact, assembling the kit is an educational journey in itself, teaching you the fundamental principles of electronics and welding. As a result, you will gain a deeper understanding of how each component works in harmony to achieve a flawless weld. Ultimately, this 3goa Handheld Spot Welding Board is a testament to the fact that great things often come in small packages.

In conclusion, this spot welder PCB circuit board is an essential piece of equipment for anyone serious about battery assembly or repair. It acts as the brain of your spot welder, and it commands the current with unerring accuracy. Initially, you may be intimidated by its technical specifications, but once you begin to use it, you’ll discover its intuitive nature and ease of operation. Subsequently, you’ll find yourself effortlessly tackling projects that once seemed impossible. So, while other tools may simply get the job done, this 3goa Handheld Spot Welding Board elevates your craft, transforming mundane tasks into works of precision engineering. It is a tool that not only performs a function but also inspires innovation.

FEATURES:
– 6 gear adjustable power
– Supports 100-900A current
– Control board kit for DIY
– Portable, handheld design
– Can weld 18650 batteries
– Can weld 26650 batteries
– Miniature size
– PCB circuit board
– For lithium batteries
– Spot welding machine

The 3goa Spot Welder Control Board is a portable, miniature, and handheld DIY kit for spot welding. It features a 6-gear adjustable power setting, allowing it to support welding currents from 100-900A. This PCB circuit board is specifically designed for spot welding lithium batteries, including common sizes like 18650 and 26650. The kit’s design emphasizes convenience and portability, making it a great option for small-scale projects.

PROS:
– Consistent welds
– Welds on a variety of materials
– Handles everything tried
– Fantastic little device
– Works great
– Good value spot welder
– Very serviceable
– Works fantastic
– Works just as you’d want
– Consistently welds well
– Consistent welds

CONS:
– Manual is trash
– Dangerous- caught fire
– Cables start to heat up
– Delay could be a little longer
– No case is included
– Instructions are unintelligible

The 3goa Spot Welder Control Board is a highly-rated, serviceable, and portable mini handheld welder that consistently produces good quality welds on various materials, including 18650 and 26650 lithium batteries. Users praise its performance, versatility, and value, describing it as a “fantastic little device” that “works just as you’d want.” However, potential buyers should be aware of a few significant drawbacks, including a dangerous potential to catch fire and cables that can overheat, along with unintelligible and poorly written instructions. Some users also noted that a case is not included and wished for a slightly longer delay setting. Read more…

Kit Contents for a Lithium Battery Welder

Kit Contents for a Lithium Battery Welder

This image shows the various components included in a 3goa Adjustable Lithium Battery Welder kit. The kit contains an intelligent motherboard, which is the main circuit board. It also has two spot welding pens with a 38cm cable. Two connecting wires are included to link the power source. Other accessories are four sets of screws, two heat shrinkable sleeves, and a 2-meter long nickel sheet.


A guide to using the 3goa 100-900A Spot Welder Kit for battery welding

A guide to using the 3goa 100-900A Spot Welder Kit for battery welding

This image shows how the 3goa 100-900A Spot Welder Kit works. It demonstrates the process of welding nickel sheets to lithium batteries. The spot welder can handle nickel sheets that are 0.1 to 0.3 mm thick. The images show single batteries and multiple batteries being joined together. The kit helps you connect batteries efficiently and securely. This saves time and effort during assembly.


3goa Spot Welder Control Board Connection Diagram

3goa Spot Welder Control Board Connection Diagram

This image shows how to connect the 3goa Spot Welder Control Board. It displays the connections between the control board and a power source, like a battery. The anode and cathode of the board are connected to the positive and negative terminals of the battery. The image also shows the connection points for the black and red welding pens. The red welding pen connects to the positive side of the battery. The diagram is a visual guide for the product’s setup.


Circuit Board with Explanations

Circuit Board with Explanations

This image shows a circuit board with various features labeled to explain its function. The text describes the board’s key attributes, including intelligent control, a built-in warning protection mechanism, and an excellent solder joint. It also mentions different “gears” for power and capacity, along with warnings for low and excessive power. The circuit board is a component of an unknown product.


Compact Spot Welding Board

Compact Spot Welding Board

This image shows a green circuit board. It is a handheld spot welding board. The product name is 3goa JQ-DHJ02B. It has two thick cables. The cables are black and red. The board has a row of small indicator lights. The board also has several electronic components. There are some Chinese characters on the board. A numeric date code is visible: 210413. This date code is likely April 13, 2021.



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Best 3goa Handheld Spot Welding Board Deals

Spot Welder Control Board, High Output Battery Spot Welder, Battery Welder PCB Circuit Board 6 Gear Adjustable, Spot Welder for Lithium Batteries, Control Board Kit Spot Welder 100-900A (‎02B-DLB)

Image of Spot Welder Control Board, High Output Battery Spot Welder, Battery Welder PCB Circuit Board 6 Gear Adjustable, Spot Welder for Lithium Batteries, Control Board Kit Spot Welder 100-900A (‎02B-DLB)

Key Features

  • ✅ Safe to use: The spot welding board requires a self-contained power supply. You can use your own bike battery or other batteries to connect to our circuit board. The battery spot welding machine has a powerful output power, with 6 adjustable gears, and can weld materials of 0.02mm or even 0.03mm. Welding is more accurate, and thousands of points can be continuously welded onto nickel plates.
  • ✅ Widely used: Spot welding plates can be used for spot welding of lithium cylindrical batteries and nickel hydrogen batteries such as 14650, 17490, 18650, 21700, 26650, and 32650. You can also repair electronic devices with batteries, such as handheld drills, electric toy cars, electric toothbrushes, electric facial washers, and so on, saving you a lot of expenses.
  • ✅ Power selection: Spot Welding Machine Lithium Battery Control Board needs its own power supply, supporting 6.5V-16V power supply, battery discharge current <900A, short circuit current <1800A, beyond the above range may damage the control board.
  • ✅ Safe use: After connecting to the power supply, it will intelligently match and determine whether the power supply can work to prevent damage to the circuit board. The operation is simple. There is a multiplier and battery capacity to choose from. It can be determined whether the battery is low-power or high-power.
  • ✅ Rich accessories: We have equipped the power supply positive and negative poles with connecting wires, screws, spot welding pens, 2-meter nickel plated plates. You can practice more on discarded batteries, familiarize yourself with the power level of each gear, and then operate your equipment in practice. This is to prevent damage to your battery. The accessories are complete, and after receiving the goods, you only need the power to operate immediately.

Product Details

Brand:Kerpu
Model:‎02B-DLB

Focket Spot Welder PCB Circuit Board, 99 Gears Adjustable 12V DIY Battery Storage Spot Welder Set Spot Welding Machine, Portable Mini Handheld Welder for 26650 32650 Lithium

Image of Focket Spot Welder PCB Circuit Board, 99 Gears Adjustable 12V DIY Battery Storage Spot Welder Set Spot Welding Machine, Portable Mini Handheld Welder for 26650 32650 Lithium

Key Features

  • ✅ High Power: The spot welder board outputs in high power, which is 99 gears adjustable, more accurate for welding, thousands of points can be continuously welded on nickel plate.
  • ✅ Applicable for: This spot welder board can be used for spot welding of lithium cylindrical batteries and nickel hydrogen batteries such as 14650 17490 18650 21700 26650 32650.
  • ✅ Large Current: Using 5 pcs MOS tubes, the maximum current is up to 2390A, equipped with 2 brass bars, greatly increasing the over current capacity.
  • ✅ Wide Purpose: The welded spot is accurate and beautiful, this spot welding board supports welding 0.05mm to 0.3mm nickel sheet, iron sheet and stainless steel sheet.
  • ✅ Welding Principle: The welding is based on the principle of using high current and high temperature quick melting and cooling the nickel foil, efficient and effective.

Product Details

Brand:Focket
Model:Fockety7r3ugtfa2

Joyzan Spot Welder, Portable Transistor Mini Control Board Welding Tools Machine Power Supply LCD Screen Strip Pen Lithium Handheld Capacitor Display DIY Pack Adjustable 12V Car Battery Soldering

Image of Joyzan Spot Welder, Portable Transistor Mini Control Board Welding Tools Machine Power Supply LCD Screen Strip Pen Lithium Handheld Capacitor Display DIY Pack Adjustable 12V Car Battery Soldering

Key Features

  • ✅ LCD Screen Display: The power input line spot welder features an intuitive LCD screen display, transistor mini spot welder, providing clear and real time feedback on welding parameters and settings; DIY spot welding tool, this visual interface enhances user control and precision during welding operations
  • ✅ Easy to Use: Designed for operation, handheld welding pen kit, the spot welder for 12v car battery offers simple controls and clear instructions, DIY spot welder kit with LCD screen, ensuring ease of use for both beginners and experienced users; Its intuitive interface and ergonomic design promote a hassle welding experience
  • ✅ Automatic Welding: With automatic welding functionality, LCD screen spot welder equipment for workers, this spot welder streamlines the welding process, allowing for efficient and consistent welds with minimal manual intervention; This automation simplifies the welding task, mini spot welding machine automatic control, saving time and effort for users
  • ✅ Convenient for Replacement: The transistor lithium battery spot welder is designed for easy replacement of components, facilitating maintenance and ensuring uninterrupted welding performance; Handheld spot welding machine with lcd screen diy, this convenient feature reduces downtime and enhances the longevity of the welding tool
  • ✅ Wide Application: Versatile in its capabilities, the battery pack welding tools with LCD screen is suitable for a wide range of applications, including metal fabrication, jewelry making, electronic repairs, and more; Mini battery spot welder for battery pack welding tools, its adaptability makes it a valuable tool for various welding and soldering tasks

Product Details

Brand:Joyzan
Model:Joyzanz9eht30cvs
Color:red

EUBUY Digital Power Spot Welder Control Board Kit Adjustable 99 Gears 8V-24V Spot Welding Pen for Lithium Battery 0.1-0.2mm Nickel Plate with Shell, Medium, Type A, USEUBU08990X

Image of EUBUY Digital Power Spot Welder Control Board Kit Adjustable 99 Gears 8V-24V Spot Welding Pen for Lithium Battery 0.1-0.2mm Nickel Plate with Shell, Medium, Type A, USEUBU08990X

Key Features

  • ✅ ♞ Adjustable 99 gears: The spot welder control board supports 99 adjustable output power gears, making it easy to adjust according to the spot welding material. Real time gear display on 3-digit digital tubes.
  • ✅ ♞ The welding points are accurate and beautiful, supporting the welding of 0.1-0.2mm nickel sheets, iron plate, and stainless steel plate.
  • ✅ ♞ The spot welder control board adopts 8 MOS transistors, and the maximum current can reach 2400A. Extreme temperature: 175 ° C. Breakdown voltage: 40V. Conduction internal resistance: 0.53 milliohms/min. Single load current: 300A MAX.
  • ✅ ♞ 2 Welding pen: Aluminum oxide copper spot welding needle, ensuring high current capacity and durability, greatly improving spot welding efficiency.
  • ✅ ♞spot welder/spot welder for lithium batteries/spot welder 110v/spot welder pen/spot welder cutter/spot welder machine/spot welder dent puller/spot welder board/spot welder kit/spot welder tips/spot welder machine/spot welder machine auto body/

Product Details

Brand:EUBUY
Model:USEUBU08990X
Size:Medium
Color:Type A
Dimensions:0.393700787 X 0.393700787 X 0.393700787 inches
Warranty:Manufacturer warranty for 30 days from date of purchase.

Battery Spot Welder, Awgem Battery Welder 99 Gear Handheld Spot Welder with LCD Screen Auto/Humanized Manual Modes, Portable Spot Welding Machine for Welding Nickel Strips and Iron

Image of Battery Spot Welder, Awgem Battery Welder 99 Gear Handheld Spot Welder with LCD Screen Auto/Humanized Manual Modes, Portable Spot Welding Machine for Welding Nickel Strips and Iron

$32.99 @ Amazon.com (Save 8%)

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Key Features

  • ✅ [One-handed precise spot welding·Free your hands and double the efficiency]: Awgem SH2 Battery Spot Welder,Integrated ergonomic design. No need for traditional welding pen, one-handed welding of small battery packs is completed, DIY maintenance efficiency is increased by 30%.(Applicable to cylindrical batteries such as 18650/26650/36650, mobile phone batteries, and electronic devices that require batteries.)
  • ✅ [LCD screen real-time display, dual mode to overcome multiple scenarios]: Awgem SH2 LCD screen displays the Preheating/Trigger time/Temperature in real time, the dual-mode icon automatically highlights the prompt, the automatic mode intelligently matches the mobile phone/Bluetooth battery sheet, and the manual mode accurately controls the welding of small battery packs, supporting the welding of 0.1-0.2mm nickel-plated sheets.
  • ✅ [Humanized design, simple and fast operation]: SH2 Spot welder upgraded manual button: The manual button is designed to the thumb position to make manual welding easier and more accurate. More suitable for precise and detailed welding work. Long press the manual welding button to switch between manual/automatic mode at any time.
  • ✅ [Modular design·40% reduction in consumables cost]: Spot welder for batteries innovative replaceable spot welding needle design, low replacement cost. suitable for home or outdoor use of mini spot welding machine, we provide exquisite gift box packaging, packaging accessories are complete (spot welding machine, nickel sheet, gauze, charging cable). Best DIY gift for friends, boyfriends, husbands, and fathers.
  • ✅ [Dual-core safety protection·worry-free welding]: Awgem spot welder,Exclusively developed safety system: automatic red light alarm when the battery cell voltage is less than 3.2V, forced cutting of the welding point and blue light warning when the temperature is ≥65℃, double protection eliminates the risk of over-discharge/overheating and protects the core life of the battery.

Product Details

Brand:Awgem
Model:SH2
Dimensions:0.6 X 1.5 X 6 inches

Spot Welder Board Digital Display Welder Digital Display 99 Gears Adjustable, 8V-24V Spot Welding Pen Machine Circuit Board 12V, Type B, USEUBU08991X

Image of Spot Welder Board Digital Display Welder Digital Display 99 Gears Adjustable, 8V-24V Spot Welding Pen Machine Circuit Board 12V, Type B, USEUBU08991X

$19.08 @ Amazon.com (Save 10%)

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Key Features

  • ✅ ♞ Adjustable 99 gears: The spot welder control board supports 99 adjustable output power gears, making it easy to adjust according to the spot welding material. Real time gear display on 3-digit digital tubes.
  • ✅ ♞ The welding points are accurate and beautiful, supporting the welding of 0.1-0.2mm nickel sheets, iron plate, and stainless steel plate.
  • ✅ ♞ The spot welder control board adopts 8 MOS transistors, and the maximum current can reach 2400A. Extreme temperature: 175 ° C. Breakdown voltage: 40V. Conduction internal resistance: 0.53 milliohms/min. Single load current: 300A MAX.
  • ✅ ♞ 2 Welding pen: Aluminum oxide copper spot welding needle, ensuring high current capacity and durability, greatly improving spot welding efficiency.
  • ✅ ♞spot welder/spot welder for lithium batteries/spot welder 110v/spot welder pen/spot welder cutter/spot welder machine/spot welder dent puller/spot welder board/spot welder kit/spot welder tips/spot welder machine/spot welder machine auto body/

Product Details

Brand:EUBUY
Model:USEUBU08991X
Size:Medium
Color:Type B
Dimensions:0.393700787 X 0.393700787 X 0.393700787 inches
Warranty:Manufacturer warranty for 30 days from date of purchase.

Handheld Spot Welder, Battery Spot Welder with Automatic and Manual Modes, 80 Gears Adjustable, Mini Portable Spot Welding Pen with 2pcs Welding Tips & Nickel Sheets for DIY Battery Pack Welding

Image of Handheld Spot Welder, Battery Spot Welder with Automatic and Manual Modes, 80 Gears Adjustable, Mini Portable Spot Welding Pen with 2pcs Welding Tips & Nickel Sheets for DIY Battery Pack Welding

$25.69 @ Amazon.com (Save 7%)

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Key Features

  • ✅ 【80 Gears Adjustable】: Our handheld mini spot welder offers 80 adjustable power levels, ensuring optimal welding tailored to your material needs. It supports the welding of nickel sheets with a thickness of 0.1-0.15mm, and supports the welding of 0.2mm nickel sheets when fully charged. From nickel to stainless steel, this smart device automatically recognizes and adapts to different materials, guaranteeing firm, precise, and reliable welds every time.
  • ✅ 【Safety Meets Convenience】: With dual-mode functionality—automatic and manual—our mini welder prioritizes safety without compromising on usability. Crafted with high-quality polymer cells, it features multiple protection measures against low voltage, overcurrent, and overcharge, providing peace of mind during operation. Switch between modes effortlessly for seamless welding experiences.
  • ✅ 【Portable Performance】: Designed for one-handed operation, our all-in-one mini welder liberates your other hand for holding nickel strips or securing batteries, making welding on-the-go a breeze. Simply long-press the power button to activate, and toggle between English and Chinese with the "POWER" and "+" buttons. Plus, its compact size and ergonomic design make it perfect for mobile use in various settings.
  • ✅ 【Long-lasting Durability】: Equipped with a powerful 5000mAh battery, our mini welder ensures extended usage with minimal downtime. With a maximum output current of 1200A, it delivers robust performance for over 800 welds on a single charge, catering to your welding needs with efficiency and reliability. And thanks to its ultra-low power consumption, standby time is significantly prolonged, ensuring readiness whenever duty calls.
  • ✅ 【Intuitive OLED Display】: Featuring a vibrant OLED color display, our battery welder provides real-time feedback on power levels, battery status, preheating, delay, and welding progress, ensuring optimal control and monitoring throughout the welding process. Whether you're a professional or a hobbyist, our multi-functional welder, with its dual-pulse output, is your go-to solution for welding cylindrical lithium-ion, nickel-metal hydride, and nickel-cadmium batteries, as well as various mobile repair tasks.

Product Details

Brand:Lieberwell
Model:Q03E1

ZHANGLI DIY Portable Battery Storage Spot Welder Set, Spot Welding Machine 12V Welder Unassembled Battery Storage Solder Circuit Board

Image of ZHANGLI DIY Portable Battery Storage Spot Welder Set, Spot Welding Machine 12V Welder Unassembled Battery Storage Solder Circuit Board

$12.99 @ Amazon.com (Save 19%)

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Key Features

  • ✅ More Stable: Using 25V low internal resistance Sanyo high frequency capacitors to make the power supply more stable.
  • ✅ Suggested Battery: 20-45ah battery with good performance and small internal resistance; 3.5-5.5ah 45C 3S aeromodel battery pack; 30-35ah capacity battery pack.
  • ✅ Tip: If the battery is pretty good and the internal resistance is very low, and then there may be large current overload.If you are not sure about your battery, it's better to extend the wire by around 1 meter with 2.5² or 4² wire, then it will reduce the risk of power tube burnt.
  • ✅ Design: The MOS upper and lower bold and tin design makes the internal resistance smaller and the current stronger.
  • ✅ Voltage: It will become an energy storage spot welding machine for welding nickel pieces. Package: 1 pc x circuit board 4 pcs x copper nose 4 pcs x screw 1 pc x buzzer 1 pc x 1 meter nickel sheet 1 pc x capacitance 2 pcs x soldering pen 2 pcs x input wire 2 pcs x heat shrink tube

Product Details

Brand:ZHANGLI
Model:16034384770105
Size:free size
Color:As Shown
Dimensions:5.905511805 X 3.93700787 X 1.181102361 Inches

Havcybin Welding Machine Pen DIY Portable12V Battery Storage Spot Welder Pen PCB Circuit Board Welding Current for 18650/26650

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$18.00 @ Amazon.com (Save 5%)

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Key Features

  • ✅ It is recommended to install the product by the people who have basic electrical knowledge and hands-on ability.
  • ✅ For power input, users need to supply 12V battery power, welding current is about 90A~150A.
  • ✅ Portable DIY 12V Battery Energy Storage Spot Welder Machine for electronic enthusiasts.
  • ✅ System voltage: 12V-14.6V (capacity X rate = must be greater than 150A).
  • ✅ High-Quality. Portable,stable, reliable and durable.

Product Details

Brand:havcybin
Model:spotwelder

Hosyond 8000W Handheld Battery Spot Welder, Portable DIY Welding Machine, High-Power Spot Welder with Nickel Strip for 18650 Lithium Batteries

Image of Hosyond 8000W Handheld Battery Spot Welder, Portable DIY Welding Machine, High-Power Spot Welder with Nickel Strip for 18650 Lithium Batteries

Key Features

  • ✅ 🔥 Powerful 8000W Spot Welding for Superior Performance Experience exceptional welding efficiency with this high-power 8000W spot welder! Equipped with pure copper welding needles, it ensures strong, smooth, and precise welds, perfect for battery packs, nickel strips, and other DIY projects. The detachable design allows for easy replacement, extending the machine’s lifespan.
  • ✅ 🔋 Built-in High-Capacity Lithium Battery – Weld Anywhere! No need for external power sources! Our spot welder features a high-rate lithium battery, enabling you to weld on the go. Whether you’re in the workshop, garage, or outdoors, enjoy unmatched portability and convenience.
  • ✅ 📟 Smart Digital Display – Real-Time Power Monitoring Stay in control with the high-definition digital screen, which accurately displays battery levels. No more unexpected power shortages—always know your remaining charge at a glance, ensuring a seamless welding experience.
  • ✅ ⚡ Adjustable Output Current & Dual Welding Modes Tailor your welding power with the 1-9 level adjustment knob, allowing precise control over the output current to suit different materials and thicknesses. Choose between manual or automatic welding modes for ultimate flexibility—whether you prefer precision control or hands-free operation, this welder adapts to your needs.
  • ✅ 💡 Rechargeable & Energy Efficient – Low Standby Power Consumption Designed for long-term use, this spot welder supports fast recharging, so you’re always ready for your next project. Plus, with its low power consumption when turned off, you can conserve battery life without worrying about unnecessary drain.

Product Details

Brand:Hosyond
Model:H-071
Size:8000W
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