7 Best Portable Spot Welders – A Comprehensive Guide

The portable spot welder is a versatile tool that can be used for a variety of welding applications. Whether you’re a hobbyist or a professional, a portable spot welder can be a valuable addition to your toolkit.

In this guide, you’ll learn how to choose the best portable spot welder for your welding needs, along with a buyers’ guide to help you make the right choice for your project.

Top 3 picks of the best portable spot welding machine

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The 7 Best Portable Spot Welders

1. Stark USA 55010 Spot Welder

Stark USA 55010 Spot Welder is a single-phase design spot welder that welds together different types of materials quickly and easily. The simple welding mechanism allows you to insert the material, apply pressure and press down on the lever to weld.

Stark USA 55010 also comes with a extra pair of welding tips for multiple uses. When the tips are ready to be replaced, simply twist them off and screw on the new tips. The attached handle allows you to quickly transport your spot welder to different job locations.

The welding tips are constructed from high quality steel to get the perfect weld every time for materials that have a thickness up to 1/8 inch. With the extra pair of welding tips, you can do multiple projects without having to stop and replace the tips. Simply twist the tips off when they are ready to be replaced and screw on the new ones. The handle makes it easy to transport your welder wherever you need it with no hassles.

2. Mophorn 737G Spot Welder

The Mophorn 737G Spot Welder is a professional-grade machine that offers both Fixed Welding Tips mode and Pedal Welding mode. This makes it perfect for spot welding small size battery packs. You can also use it for precise welding with the LED light function. The machine has a distinct panel that allows you to set current and pulse easily and quickly.

It is easy to operate with one hand. The welding machine has many advantages such as low noise, low power-consumption and good reliability. It is perfect for welding stainless steel, aluminum, brass and other metals.

Mophorn 737G is a best portable, mini-sized and high-performance spot welding machine that is used for welding of aluminum, brass, stainless steel and others. It has a simplified design that allows you to weld with one-hand operation. You don’t need any complicated settings such as light or current setting and pulse control.

The Mophorn 737G is suitable for welding in tight spaces that require a small spot welder machine. This device is also a perfect option for making small to medium sized repairs.

The welding machine has many advantages such as low noise, low power-consumption and good reliability. It is perfect for welding stainless steel, aluminum, brass and other metals.

3. Stark USA 55009 Spot Welder

If you are looking for a spot welder that is easy to use, the Stark USA 55009 spot welder is perfect for you. With its single phase design, you can easily weld different types of materials together. The simple welding mechanism makes it easy to insert the materials and press down to weld.

The spot welder comes with an extra pair of welding tips, so you can continue welding even if one tip becomes dull. The welding tips are made from high quality steel, ensuring that you get the perfect spot weld every time. Their design and construction makes them perfect for use on materials that have a thickness up to 1/8 of an inch.

The handle on the spot welder allows you to easily transport your welder wherever you need it.

The compact design of this spot welder makes it great for use in tight spaces, small workshops and other narrow areas where larger welding machines can’t fit. It’s a great choice when you need to do precision welding on small parts and other items that are difficult to reach.

4. YaeCCC 737G Battery Spot Welder

YaeCCC 737G Battery Spot Welder is a handy tool that makes welding easy. It has a microchip that enables precision current welding for precise results. You can select the current you need from a wide range, making your work more convenient and safe.

The machine is controlled by a micro computer, which also allows you to set the welding power and view it on the Led panel. This welder is ideal for welding battery packs, charging leads, and other hardware tasks.

If you need to solder, you can use the integrated 15mm HV pencil iron. This allows you to work in the tightest of spaces and on small parts.

This portable spot welder has all the features you need for any task that requires welding, such as charging leads, battery packs and other devices. This is a perfect choice if you are looking for a portable spot welder that comes with all the features you need.

5. Lenco Autobody Dual Spot Welder

The Lenco Autobody Dual Spot Welder offers all the power and features you need to weld with precision and ease. This welder can weld up to 20 gauge steel with a 50 amp fuse. The streamlined construction and easy portability make this welder ideal for use in any Autobody shop. The tool storage space allows you to keep your most commonly used tools close at hand, while the off and on switch provides easy operation.

With a 50′ power input cable and 5′ welding cable, this welder gives you plenty of flexibility to work on projects of any size.

And this is one of the best dual spot welder in the market today that comes with many standard features.

6. SUNKKO 709A Battery Spot Welder

Sunkko 709A Spot Welder is a portable tool that welds lead and nickel sheets, wire mesh, Lithium-Ion cells, circuit boards, and other metals. It has a temperature range of 150 to 450 degrees Celsius, 2 to 18 welding pulses, and a stationary spot welding with pin range of 5-6 mm and pressure 300-500g.

The welder also has attachable pen with minimum diameter 4 mm and maximum diameter 10 mm and no slip grip, as well as an anti-overheating protection function and a soft start function.

SUNKKO 709A is a Heavy Duty, top quality welding tool that can weld copper, nickel, silver, gold and other non-ferrous metals. It is perfect for jewelry making, arts and crafts, and electrical projects.

7. SUNKKO 788H Pulse Spot Welder

If you looking for the best portable spot welder that is of the highest quality, look no further than the SUNKKO 788H Pulse Spot Welder. This is one of the best portable spot welding machine that you can get if you are looking for a top quality welder that is sold at a great price.

This welder is designed to handle low voltage tools and deliver clean welds on metal, wires and circuits. Its operation features include an anti-overheating function, soft start operation and an anti-short circuit function for safety.

The pulse spot welder comes with a compact design and is perfect for use on batteries, circuit boards, wires, circuits and other small items.

Guide for buyer’s

As you can see, choosing the best spot welder can be frustrating. With so many spot welders on the market today, there are many options to choose from, making it hard to decide which to go for. In this section, we share some common things that you should consider before choosing a spot weld machine:


The first thing that you need to look for in a spot welder is its features. As you know, there are different types of spot welding machines available on the market today. Most of them are designed to perform the same basic function. So, how you choose the one that suits your needs best depends on your budget and other things.

Welding Thickness

The thickness of the material you want to weld will determine which type of spot welder you should choose. Most spot welders have a maximum thickness of 1/8 inch. However, they are not suitable for welding thicker materials. For heavy duty jobs, it’s best to get a full size MIG welder.

Input Voltage

The input voltage will also impact the performance of your spot welder. It’s best to choose a model that has the same voltage as your power supply or one close to it. Never use a welder with a higher voltage than your power supply, as it can cause damage to the tool and even start an electrical fire.

Welding Current

The welding current is measured in amps. It’s best to select a welder that has the maximum current recommended by the manufacturer. The higher the current, the more powerful your welds will be. However, it’s important to choose a model that will not overload your power supply and start an electrical fire.

Temperature & Torque Control

When you’re welding, materials usually expand when heated which can cause stress on your tools or even damage them. This is why most spot welders come with temperature and torque controls. They allow you to adjust the temperature and torque to suit your needs.

Work Cycle

The work cycle of a spot welder refers to the time it takes to cool down and power up after each weld. Because spot welders are mostly lightweight and handheld, they need to cool quickly between welds. Some models can be set to withstand a continuous work cycle of 5 seconds while others can handle continuous use for up to 2 minutes.

Supported Batteries

If you plan to use your spot welder for extended projects, you need to consider the duration of the batteries. Most spot welders run on a DC battery. The most common is a lithium ion battery.


There are many different controls that you should consider when choosing the best spot welder. Most of them include:

Screen: This screen is designed to show the voltage and amps as well as the current being used by your welder. It’s usually made of glass or plastic; some are also touch-sensitive.

Resistance Range: Some of them have a strong resistance range that ranges from 20 to 500 ohms.

Connection Type: The connection type can either be AC or DC power. Both are designed to work with different types of batteries.


It can be hard to find the best spot weld machine for the money you spend. Like any product, some of them will work better than others. If you want to get a spot welder that gives you flawless performance, good value for money and long lasting use, our top pick is Stark USA 55010 Spot Welder.

After reading the above guide, hopefully you are now better informed about welding. If you have any questions, feel free to leave a comment below. We would be happy to help you out!

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