Geevorks DIY 18650 Battery Spot Welder Review – Pros & Cons – Portable spot welder

The Geevorks DIY 18650 Battery Spot Welder is a remarkably compact and versatile instrument, a true maestro in the world of electrical connections. It’s a small titan, designed for hobbyists and professionals alike, and it’s built to conquer the delicate art of fusing metal with precision. Just as a sculptor meticulously shapes clay, this tool allows you to join battery cells with unparalleled accuracy, creating robust and reliable packs for a myriad of applications. Consequently, it’s an essential addition to any workbench, whether you’re building a custom e-bike battery or simply repairing an old power tool. Furthermore, its lightweight design means it can be carried effortlessly, making it a portable powerhouse that’s ready to work wherever you are. Indeed, this Geevorks DIY 18650 Battery Spot Welder is not merely a tool; it is an extension of the creator’s hand, offering fine-tuned control and a powerful punch. Ultimately, it redefines what a portable spot welder can be, combining convenience with professional-grade performance.

Transitioning from its size to its power, this welding tool is a beast disguised in a small frame, offering an astonishing 99 gears of adjustable power. This vast range of settings gives you the flexibility to adapt to a variety of materials and projects, from the thinnest nickel strips to more substantial connections. Therefore, you are no longer limited by a one-size-fits-all approach. For example, you can switch from a delicate touch for sensitive electronics to a forceful jolt for heavy-duty work, ensuring every weld is a masterpiece of strength and conductivity. Moreover, the freedom to use various power supplies, including a 12 Volt car battery, makes it an incredibly resourceful and adaptable instrument. As a result, you are never tethered to a specific power outlet, and you can harness the raw energy of an everyday vehicle to bring your projects to life. The Geevorks DIY 18650 Battery Spot Welder is, in essence, a chameleon of the workshop, seamlessly blending into any project’s unique demands while providing the consistent power needed to forge lasting bonds.

Finally, the user-friendly design of the Geevorks DIY 18650 Battery Spot Welder makes it accessible to both novices and seasoned experts. It offers both automatic and manual touch welding modes, so you can choose the method that best suits your comfort level and project needs. Consequently, this dual functionality ensures a smooth and efficient workflow, minimizing the learning curve and maximizing productivity. In addition, its intelligent design is a silent partner, guiding you through each weld with intuitive controls and clear feedback. In fact, using this tool feels less like a task and more like a fluid process of creation, where the machine anticipates your needs and responds accordingly. This remarkable tool is not just about making a connection; it’s about forging a relationship between the user and the project, building confidence with every perfect weld. Overall, the Geevorks DIY 18650 Battery Spot Welder is a testament to thoughtful engineering, proving that immense power and sophisticated features can be packed into a simple, elegant, and highly effective package.

FEATURES:
– Portable spot welder
– DIY spot welding tool
– Geevorks brand
– 99 gears of power
– For 18650 batteries
– Various power supplies
– 12 Volt car battery power
– Automatic welding mode
– Manual welding mode
– Touch welding

The Geevorks Portable Spot Welder is a versatile DIY tool for welding 18650 batteries. It features 99 adjustable power levels and offers both automatic and manual touch welding modes. This tool can be powered by various sources, including a 12 Volt car battery, making it highly portable.

PROS:
– Has a clear LCD display
– Powered by a battery
– Comes with 99 welding gears
– Offers dual welding modes
– Simple and easy to use
– Features precision engineering
– Works with a 12 Volt car battery
– Flexible power supply options
– Great for light welding tasks
– Useful for many DIY projects

CONS:
– Requires a powerful 12 Volt battery
– Input harness needs to be upgraded
– Can’t handle thicker strips well
– Weld bonds may not be very strong
– Unreliable and inistent performance
– Settings can be too high for thin strips
– Requires a lot of practice
– Can burn holes in nickel strips

The Geevorks DIY Portable Spot Welder is a compact tool for light welding tasks and DIY projects, particularly with 18650 batteries. It features 99 adjustable gears, clear LCD display, and both automatic and manual welding modes. The device is powered by a 12 Volt car battery or other powerful 12 Volt supply. While it’s easy to use and offers a flexible power supply, it has some notable drawbacks. The weld bonds may be weak and inconsistent, and the tool struggles with thicker strips. Users may find the default settings too high for thin materials, leading to burnt holes, and it requires practice to get reliable results. Additionally, the input harness may need an upgrade to handle higher currents effectively. Read more…

Battery connector wires for portable spot welder

Battery connector wires for portable spot welder

The image shows a pair of red and blue battery connector wires. The wires are a component of the Geevorks 99-Gear Portable Spot Welder. The red and blue colors are used to differentiate between positive and negative terminals. Each wire has a ring terminal connector on one end. The other end has exposed wire strands.


Compact DIY Spot Welder for Hobbyists

Compact DIY Spot Welder for Hobbyists

This image shows a Geevorks portable spot welder. It’s designed for small-scale projects. The device has a red casing and a simple control panel. The board inside features several transistors and other electronic components. It is powered by a DC 12 Volt supply. The top panel includes connection points for positive and negative terminals. There is a small display screen and buttons for operation. The design is simple and intended for hobbyists or DIY use.


A portable spot welder with a digital display

A portable spot welder with a digital display

This image shows a portable spot welder. The device is bright red. It has a digital screen. The screen shows the ‘Weld Energy’. It also displays the input voltage. The device has two buttons and two terminals. The terminals have a plus and minus sign. The device is labeled in both Chinese and English. A warning is written below the device. It says to not exceed 50 gears.


Portable Spot Welder Controller

Portable Spot Welder Controller

The image shows a red metal plate. It is a controller for a portable spot welder. The text describes its use. It is used for battery repair and welding. The power supply is a 12 Volt car battery. It can also use a 3S, 40-70C, 5000mAh lithium battery. It welds 0.1-0.12mm thick nickel strips. The plate has two labels at the bottom. The labels are ‘POWER’ and ‘WELD SWITCH’.


Compact DIY 18650 Battery Spot Welder

Compact DIY 18650 Battery Spot Welder

The image shows a Geevorks DIY 18650 battery spot welder kit. It is a compact and portable device. The main unit has a red casing and an integrated digital display. It also has a circuit board with electronic components. The kit includes two sets of welding pens. One set is red, and the other is blue. They are designed for spot welding battery tabs. The device is suitable for hobbyists and DIY projects.


Geevorks DIY 18650 Battery Spot Welder Accessory Cable

Geevorks DIY 18650 Battery Spot Welder Accessory Cable

This is a red and black accessory cable for a Geevorks DIY 18650 battery spot welder. The red cable has a forked connector on one end. It also has a round loop. The black cable has two exposed metal pins at the end. The black cable is wrapped with a heat-shrink tube. The cables are designed to connect a power source to the spot welder.


Geevorks Spot Welder Accessory: Copper Welding Pin

Geevorks Spot Welder Accessory: Copper Welding Pin

This image shows a single welding pin. It is designed for the Geevorks portable spot welder. The pin is made of copper. A blue wire is connected to one end. A black heat shrink tube covers the connection. This pin is a replacement part or an accessory for the spot welder.


12 Volt Car Battery Spot Welder Connector

12 Volt Car Battery Spot Welder Connector

This image shows a DC power plug. It is a common component. The connector is used to provide power to the Geevorks 12 Volt Car Battery Spot Welder. It has a hexagonal plastic body. The metal tip inserts into a power jack. The tail has a ribbed strain relief.


Troubleshooting guide for Geevorks DIY 18650 Battery Spot Welder

Troubleshooting guide for Geevorks DIY 18650 Battery Spot Welder

This document provides supplementary information for the Geevorks spot welder. It explains technical issues based on customer feedback. The text covers topics such as battery power, welding thickness, and automatic welding. It also describes causes for smoke, heat, and component failures. The guide offers solutions to these problems. It gives advice on battery selection. It recommends replacing blown-out parts. It also discusses the device’s energy settings.


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Best Geevorks Diy 18650 Battery Spot Welder Deals

Portable Spot Welder, Geevorks DIY Spot Welding Tool 99 Gears for 18650 Battery Various Welding Power Supply / 12V car battery, Automatic/Manual Touch Welding Mode

Image of Portable Spot Welder, Geevorks DIY Spot Welding Tool 99 Gears for 18650 Battery Various Welding Power Supply / 12V car battery, Automatic/Manual Touch Welding Mode

Key Features

  • ✅ 【Battery Spot Welder】Welding power can be powered by lithium battery or 12V car battery.【NOTE- Do not exceed 50 gears】
  • ✅ 【2 Touch Welding Modes】Using automatic touch welding mode, while retaining the manual trigger interface, you can choose according to your own use.
  • ✅ 【Pulse Accuracy】The controller is controlled by a single chip microcomputer, and the output pulse is accurate,, LCD display screen, can display welding parameters. Ensure the welding quality.
  • ✅ 【Easy to Disassemble】The soldering pen and the input wire are connected by U‑shaped cold‑pressed terminals, which is convenient for disassembly and replacement.
  • ✅ 【What You Will Get】You will get 1 x spot welder controller,2 x Welding pen , 2 x Power input line (Red and Blue),1 Pair x U-shaped cold-pressed terminal.

Product Details

Brand:Geevorks
Color:Red

Spot Welder, Geevorks Battery Spot Welder 10 Gear Output Power Adjust, 5000W Spot Welding Equipment for Sopts Welding 18650/26650/32650 and 0.1~0.15mm Nickel Sheet

Image of Spot Welder, Geevorks Battery Spot Welder 10 Gear Output Power Adjust, 5000W Spot Welding Equipment for Sopts Welding 18650/26650/32650 and 0.1~0.15mm Nickel Sheet

Key Features

  • ✅ 【Strong Power】The power of this lithium batteries spot welder can reach to 5000W, which can provide strong power and improve your work efficiency.
  • ✅ 【10-Level Knob Adjustment】10 Level output power knob adjust design, you can adjust the output power by turn the knob, the larger the value, the higher the output. There are ten levels for you to adjust.
  • ✅ 【Application】This battery welder is suitable for sopts welding 18650/26650/32650 and other batteries, mobilephone battery welding to nickel, the spots welding thickness is 0.1~0.15mm.
  • ✅ 【Digital Tube Display】The digital tube display design allows you to monitor the remaining power of the spot welder battery at any time.
  • ✅ 【Easy to Operate】You can put the two welding pens on the nickel sheet, then press the pedal for the red light flashes 3 times quickly so it will output the current to complete the welding.

Product Details

Brand:Geevorks
Color:Blue

Shkalacar Integrated Type Spot Welding Pen, Automatic Trigger Weld Machine Accessory for 18650 Battery,Blue DIY Battery Spot Welder Pen

Image of Shkalacar Integrated Type Spot Welding Pen, Automatic Trigger Weld Machine Accessory for 18650 Battery,Blue DIY Battery Spot Welder Pen

$17.09 @ Amazon.com (Save 10%)

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Key Features

  • ✅ Adopt thick copper bar, help enhance the working efficiency, and suitable for long service time.
  • ✅ Integrated design, beautiful and neat, with fine heat radiation effect.Suitable for 18650 battery spot welding machine.
  • ✅ There are dual springs on the handle, each welding pen can expand and contract independently.
  • ✅ Built-in limit switch, one hand operation, do not need foot pedal.
  • ✅ With comfortable hand feelings, can support long time use, stable and reliable, wear resistant and effort saving.

Product Details

Brand:Shkalacar
Color:Blue
Dimensions:N/A X N/A X N/A in

5000W Battery Spot Welder, Portable Welder Kit for 18650/26650/32650 Battery Pack, 10 Gear Spot Welding Machine, 4.0Ah Rechargeable Battery LCD Display for 0.1-0.15mm Nickel Strip

Image of 5000W Battery Spot Welder, Portable Welder Kit for 18650/26650/32650 Battery Pack, 10 Gear Spot Welding Machine, 4.0Ah Rechargeable Battery LCD Display for 0.1-0.15mm Nickel Strip

Key Features

  • ✅ Battery spot welder comes with 2x spot weld pen of good conductivity and low contact resistance, capable of soldering and desoldering, easy to replace the tip
  • ✅ 5000W battery spot welder is adjustable in output current, spot welding thickness of 0.1-0.15mm, great for welding 18650 26650 32650 battery packs, iron/ stainless steel sheets (not copper or aluminum)
  • ✅ Battery spot welder is powered by a 4000mAh Li-ion battery, powerful enough for continuous welding of thousands of points, with the foot pedal to guarantee precise control
  • ✅ Portable welder kit is designed with a HD digital display, a single glance to monitor the battery level
  • ✅ Portable welder kit has a compact body with ABS housing, safe to use, always keeping a low profile at your busy workbench

Product Details

Brand:VQP
Model:BSW380

Battery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)

Image of Battery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)

Key Features

  • ✅ Widely Used Spot Welder: With one of our battery spot welder, you can regain your life by replacing damaged electronic devices with batteries (such as handheld drills), saving you money and protecting the environment. You can also build battery packs, such as electric bicycle battery packs, 18650 battery packs, etc. You can also make a hook on a metal product and have many other uses
  • ✅ Upgrade of Spot Welder Function: Increase the number of continuous spot welding times. We can continuously spot weld twice, allowing the spot welding machine to weld thicker materials, allowing you to use a wider range
  • ✅ High Capacity Battery: Our battery spot welder has a high capacity of 11000mAh, and charging only takes 3 and a half hours. The spot welding machine has 99 adjustable gears, suitable for different materials, such as spot welding mobile phone batteries with gears ranging from 1.0 to 3.9, materials with thicknesses ranging from 0.1 to 0.15 ranging from 4.0 to 7.0, and materials with thicknesses ranging from 0.15 to 0.25 ranging from 7.1 to 9.9
  • ✅ Large LCD Screen: 1.5-inch large LCD screen, making it easier to see the content on the screen clearly and clearly. It has a large remaining battery mark, temperature, gear, trigger time, and continuous spot welding times
  • ✅ Exquisite Packaging: Our spot welding machine packaging products include a spot welder, 2M nickel plated sheet, 50cm Type-c cable, 40cm pair of spot welding pens, a piece of frosted paper, and a complete set of spot welding preparations. All you need to do is prepare your welding battery, and you can enjoy the joy of DIY. A great gift for your husband, boyfriend, and friends who love DIY batteries

Product Details

Brand:AWithZ
Model:11000mAh

8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,with nickel strip and spot welding pen,for 18650 Battery Pack Welding Tools

Image of 8000W Spot Welder,Handheld Spot Welder,Portable Spot Welder Machine DIY Kit,High Power Handheld Spot Welding Machine,with nickel strip and spot welding pen,for 18650 Battery Pack Welding Tools

Key Features

  • ✅ 🚀【8000W Battery Spot Welder】:The upgraded spot welder with Dual Pulse Output, foot pedal welding mode which can easily weld 0.1-0.3mm thick nickel sheets, you can finish the welding work easily and efficiently, the welding spot is nice and elegant. Can be used for spot welding of batteries, hardware, and electronic components. Screen size is 2.5 X1 CM, Soldering pen Length is 350mm. Sot welder LXWXH 15X9.5X6 CM
  • ✅ 🔋【1-9 Level Knob Adjustment】:The adjustable spot welder can weld thousands of points continuously on nickel sheet after full charge,the solder pins of the adjustable spot welding machine can be removed and replaced, easy installation and operation.The mini spot welder with 9 Level output power adjustment design, you can adjust the output power 0-800A by turn the knob, the larger the value, the higher the output.
  • ✅ 🚀【Easy to Use】:The solder pins of the adjustable spot welding machine can be removed and replaced, easy installation and operation.The DIY battery spot welder machine is foot switch controls welding, spot welding is more arbitrary. Just press the nickel belt with two soldering pens and step on the foot switch. Wait for about 0.5 seconds for output spot welding,then release the foot switch.suitable for precise welding.
  • ✅ 💌【Warm Tips for Beginner】: LCD Screen Display,The battery voltage level is the key factor affecting the spot welding effect.Our spot welder screen can display the internal voltage of the product in real time,it is very convenient for you to check and charge in time.The product should be fully charged before first use, please charge when the voltage on the screen falls below 7.3V.
  • ✅ 📞【Wide Application & Warranty】 The spot welder with large output power can be used to connect nickel strips of 18650 lithium battery, or spot welding iron sheets, stainless steel sheets. And it is also suitable for welding 0.1-0.15mm nickel plated steel sheet and 0.1mm pure nickel sheet quickly. In the process of using the spot welder, please feel free to contact us if you have any quest.

Product Details

Brand:Docreate
Model:SKU930645-US
Color:8000w Spot Welder, Black

Spot Welder Geevorks Battery Welder 10 Gear Output Power Adjust 0-800A 5000W High Handheld Welding Machine for 18650 Battery/ 0.1mm-0.2mm Nickel Sheet Sky Blue

Image of Spot Welder Geevorks Battery Welder 10 Gear Output Power Adjust 0-800A 5000W High Handheld Welding Machine for 18650 Battery/ 0.1mm-0.2mm Nickel Sheet Sky Blue

Key Features

  • ✅ 【Strong Power】The power of this 18650 lithium battery spot welder tool can reach to 5000W, which can provide strong power and improve your work efficiency.
  • ✅ 【10-Level Knob Adjustment】10 Level output power knob adjust design, you can adjust the output power 0-800A by turn the knob, the larger the value, the higher the output. There are ten levels for you to adjust.
  • ✅ 【Application】Battery welding machine is specifically designed for 18650 battery welding and it also can be used to weld nickel strips with thickness of 0.1- 0.15MM.
  • ✅ 【High Quality】ABS shell material, battery welding machine surface anodizing technology, anti-abrasive and safe to use. Come with welding pen with good conductivity and low contact resistance.
  • ✅ 【Portable】This spot welder kit is small in size and high in power, easy to carry and move.

Product Details

Brand:Geevorks

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

SEESII Battery Spot Welder: Spot Welder for Lithium Batteries/18650, Mini Battery Welder with Built-in Rechargeable Battery, Spot Welding for 0.1-0.2mm Nickel Sheets/Iron/Stainless Steel Sheets

Image of SEESII Battery Spot Welder: Spot Welder for Lithium Batteries/18650, Mini Battery Welder with Built-in Rechargeable Battery, Spot Welding for 0.1-0.2mm Nickel Sheets/Iron/Stainless Steel Sheets

$31.99 @ Amazon.com (Save 20%)

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Key Features

  • ✅ Compact Integrated Design: The SeeSii handheld battery spot welder features a fully integrated design, seamlessly combining the welding pen and power unit into a single compact form factor. Engineered for one-handed operation, it eliminates the need for external cables or connections, making it ideal for mobile applications, home workbenches, or confined spaces
  • ✅ 80-Level Adjustable Power: Featuring 80 selectable power levels with dual-pulse output technology, this welder offers both automatic and manual welding modes to adapt to diverse project requirements. High-temperature resistant cables ensure stable performance during continuous use
  • ✅ OLED Display with Integrated Safety Features: The SeeSii mini spot welder is equipped with an OLED screen that displays real-time parameters including mode, power level, preheat status, time delay, and welding progress. Built-in safeguards protect against overcurrent, overcharge, and low voltage, ensuring safe and reliable operation
  • ✅ File for Soldering Iron Cleaning: Frequent use can cause carbon buildup on the weld tips, and the reusable file we provide will help you work more conveniently; Also included are 2 rolls of 5-meter nickel sheets
  • ✅ Fast Type-C Charging: Equipped with a rechargeable battery, it delivers up to 800A of output current and supports over 800 welds per charge. The Type-C charging interface enables rapid, efficient recharging to minimize downtime

Product Details

Brand:Seesii
Model:SE209

Battery Energy Storage Spot Welding Machine Welding Equipment Spot Welders DIY Small PCB Circuit Board for 18650 26650 Battery

Image of Battery Energy Storage Spot Welding Machine Welding Equipment Spot Welders DIY Small PCB Circuit Board for 18650 26650 Battery

$9.49 @ Amazon.com (Save 50%)

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Key Features

  • ✅ 8 gear power regulation, nixie tube real-time display gear
  • ✅ Pure copper conducts heat conduction, greatly improving the efficiency of spot welding.
  • ✅ The two-sided outlet is convenient for spot welding, it is not easy to connect wrongly.
  • ✅ Super thick red copper tube, 10AWG wire, aluminum oxide copper spot welding needle, to ensure the over-current capability and durability, and greatly improve the spot welding efficiency.
  • ✅ The high frequency capacitor has low internal resistance and can withstand high temperatures of 105 degrees Celsius.

Product Details

Brand:Shutao
Model:135-86-s-t-1
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