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

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

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

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

Hosyond 5000W Battery Spot Welder, Portable Adjustable Spot Welding Machine for 18650 Lithium Batteries, Welding Nickel Sheets 0.1-0.25mm

Image of Hosyond 5000W Battery Spot Welder, Portable Adjustable Spot Welding Machine for 18650 Lithium Batteries, Welding Nickel Sheets 0.1-0.25mm

Key Features

  • ✅ 【Voltage digital display:】 With LED digital display design, you can directly see the battery power and charge the machine in time. (Please fully charge before first use, and recharge when the voltage is lower than 7.3V).
  • ✅ 【Reliable and durable: 】The spot welder has good performance and a long service life, with a safe ABS shell, two spot welding pens with good conductivity and low contact resistance. The tip is replaceable.
  • ✅ 【Wide application:】 The 5000w spot welder has adjustable output current, spot welding 0.1-0.15mm nickel-plated steel sheets and 0.1mm pure nickel sheets, which is very suitable for welding 18650 battery pack spot welding iron sheets, stainless steel sheets.
  • ✅ 【Simple operation: 】Just press the nickel sheet with two welding pens and step on the foot switch, wait about 0.5 seconds to output spot welding, and then release the foot switch.
  • ✅ 【Compact size:】 Light weight, portable design, the body is 6.5*3.86*2.36 inches, you can use this machine in different occasions. If you have any questions during use, please feel free to contact us.

Product Details

Brand:Hosyond
Model:560
Size:5000W

5500W Handheld Spot Welder Machine, 30-Level Power Adjustable & Portable, with Nickel Strips & Welding Pen for 18650 Battery Packs, Stainless Steel, Iron - DIY Mini Welding Tool

Image of 5500W Handheld Spot Welder Machine, 30-Level Power Adjustable & Portable, with Nickel Strips & Welding Pen for 18650 Battery Packs, Stainless Steel, Iron - DIY Mini Welding Tool

Key Features

  • ✅ 【EASY TO OPERATE】: The spot welder has 30 speeds of output power, which can be easily adjusted for precise welding, with LED lights to indicate the working gears, suitable for quickly welding nickel-plated steel plate of 0.1-0.15 mm and pure nickel plate of 0.1 mm. When welding, you need to pay attention, the welding surface is clean, so that the welding is better
  • ✅ 【MOBILE POWER SUPPLY】: Portable battery spot welder, built-in 5500mah high capacity rechargeable battery, can be used as a spot welder to weld batteries, can also be used as a mobile power supply for cell phones, carrying out of the house to use
  • ✅ 【PRODUCT INSIDE PACKAGING】: Mini spot welder, for home or outdoor small welding, battery repair or DIY welding are very suitable, the package is built-in (spot welder, nickel coil, tyep-c charging cable, 2 external welding pins) Having this spot welder is equivalent to having, a spot welder and a mobile power supply, it is a good gift for your family members/loved ones/friends
  • ✅ 【LCD DISPLAY】: Mini digital display portable spot welder with touchable LCD display, featuring gear adjustment, delay, welding times and power indicator
  • ✅ 【INTELLIGENT AND SAFE】: Spot welder with low voltage, overcurrent, overcharge protection and low battery alarm function, intelligent output current, safe to use, rest assured.

Product Details

Brand:Docreate
Model:Spot Welder

5000W Mini Battery Spot Welder, Portable Spot Welder Machine DIY Kit for 18650 Battery Pack Welding Tools, Adjustable Battery Welding Soldering Machine with Nickel Strip and Spot Welding Pen

Image of 5000W Mini Battery Spot Welder, Portable Spot Welder Machine DIY Kit for 18650 Battery Pack Welding Tools, Adjustable Battery Welding Soldering Machine with Nickel Strip and Spot Welding Pen

Key Features

  • ✅ ✔ LCD Screen Display: Designed with LCD digital display, you can directly see the battery level and charge this machine in time. ( Please fully charge it before first use, and recharge it when the voltage is below 7.3V)
  • ✅ ✔ Durable Material: Agoal spot welder has good performance and long service life with ABS housing, two spot welding pens of good conductivity and low contact resistance. The tip is replaceable
  • ✅ ✔ Wide Application: 5000w spot welder is adjustable in output current, spot welding 0.1-0.15mm nickel plated steel sheet and 0.1mm pure nickel sheet, great for welding 18650 battery packs and iron/ stainless steel sheets
  • ✅ ✔ Easy to Operate: 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, and then release the foot switch
  • ✅ ✔ Compact Size: Lightweight with 6.5*3.86*2.36 inch body, you can take this machine in different occasions. If you have any questions within 60 days, you will get a replacement

Product Details

Brand:AGOAL
Model:AGOAL20230601
Size:6.5 x 3.9 inches
Dimensions:6.5 X 2.36 X 3.86 inches

SEESII Battery Spot Welder: Rechargeable Battery Welder with Visual Display, 3360W Max Power with 1-99 Gears, Copper Tips, Portable Spot Welder for Lithium Battery (DIY, Repairs, Outdoor Use)

Image of SEESII Battery Spot Welder: Rechargeable Battery Welder with Visual Display, 3360W Max Power with 1-99 Gears, Copper Tips, Portable Spot Welder for Lithium Battery (DIY, Repairs, Outdoor Use)

Key Features

  • ✅ Built-in Rechargeable Battery​: Say goodbye to tangled power cords—grab this spot welder and work anytime, anywhere; Note: For optimal performance, fully charge it to 100% before first use
  • ✅ Strong Welding Capacity: With a maximum output power of 3360W, the mini spot welder stands out among handheld models; tested to weld nickel-plated sheets up to 0.2mm thick or pure nickel sheets up to 0.15mm thick
  • ✅ Visual Display Screen: An intuitive display greatly boosts convenience, letting you monitor the welding process, device temperature, and remaining battery at all times
  • ✅ Precise Gear Adjustment: With 99 fine-adjustment gears available, the spot welding equipment perfectly meets your diverse welding needs for different materials and thicknesses
  • ✅ Auto/Manual Dual Modes: Choose freely between auto welding and manual trigger welding based on your needs—adapts to various scenarios for greater convenience

Product Details

Brand:Seesii
Model:SE302

Battery Spot Welder, 99 Gear Handheld Spot Welder with LCD Screen, Portable Mini Spot Welder for Diy 18650 Battery, Iron, Automatic and Manual Mode, Spot Welding Machine for Nickel Strips 0.1-0.2mm

Image of Battery Spot Welder, 99 Gear Handheld Spot Welder with LCD Screen, Portable Mini Spot Welder for Diy 18650 Battery, Iron, Automatic and Manual Mode, Spot Welding Machine for Nickel Strips 0.1-0.2mm

$28.49 @ Amazon.com (Save 5%)

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Key Features

  • ✅ 🔧 One-Hand Precision Welding – Double the Efficiency: Ergonomically designed integrated spot welder allows single-hand operation without a traditional welding pen, improving DIY repair efficiency by 30%. Perfect for 18650/26650/36650 cylindrical batteries, phone batteries, and other electronic devices requiring battery packs
  • ✅ 📟 Real-Time LCD Display with Dual Modes: Equipped with an LCD screen that shows preheating time, trigger time, and temperature in real time. Dual modes adapt to multiple scenarios: Auto Mode intelligently matches phone/Bluetooth battery tabs, while Manual Mode provides precise control for small battery packs. Supports 0.1–0.2mm nickel sheet welding
  • ✅ 👍 User-Friendly Design for Quick Operation: Upgraded thumb-position manual button makes welding more accurate and easier, ideal for delicate and precise work. Long-press to switch seamlessly between Auto and Manual modes, ensuring smooth operation for both beginners and professionals
  • ✅ 💡 Modular Design – Reduce Consumable Costs by 40%: Features replaceable welding needles with low-cost maintenance. Compact and portable, suitable for home or outdoor use. Comes in a premium gift box with full accessories (spot welder, nickel sheets, gauze, charging cable), making it an excellent DIY gift for friends, husbands, or fathers
  • ✅ 🛡 Dual-Core Safety Protection: Built-in intelligent protection system ensures safe operation: red light alarm when voltage drops below 3.2V, and blue light warning with automatic power cut-off at ≥65°C. Dual safeguards eliminate risks of over-discharge and overheating, protecting battery lifespan

Product Details

Brand:Docreate
Model:Spot Welder

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

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
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