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18650 Battery Spot Welder Comparison - May 2026
| 1 Best Choice  9.8Exceptional | 2  9.7Exceptional | 3  9.6Exceptional |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelBattery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh) | Model 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 | Model Hosyond 5000W Battery Spot Welder, Portable Adjustable Spot Welding Machine for 18650 Lithium Batteries, Welding Nickel Sheets 0.1-0.25mm |
BrandAWithZ | Brand Docreate | Brand Hosyond |
Reviews | Reviews | Reviews - |
Tech Specs | ||
item weight 1.32 pounds | item weight 1.81 pounds | item weight 1.85 pounds |
package dimensions 6.69 x 4.02 x 1.93 inches | package dimensions 7.68 x 5.71 x 4.21 inches | package dimensions 7.87 x 5.3 x 3.94 inches |
included components Spot Welding Pens, Nickel Plates, Grinding Gauze, Charging Cables, Spot Welder | included components spot welder pen | included components 2 x Spot Weld Pen, 1 x Foot Pedal, 1 x Power Adapter, 1 x Battery Spot Welder |
power source Battery Powered | power source ac dc | power source ac |
batteries required Yes | batteries required No | batteries required Yes |
Available On | Available On | Available On  |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1AWithZBattery Spot Welder, AWithZ 1.5" LCD Screen Recyclable 11000mAh Spot Welder, 99 Gears Adjustable Battery Welder, Mini Spot Welder for 18650 Battery (11000mAh)
Main highlights- 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
- 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
- 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
- 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
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9.7
2Docreate
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
Main highlights- 【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.
- 【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.
- 【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.
- 【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.
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9.6
3Hosyond
Hosyond 5000W Battery Spot Welder, Portable Adjustable Spot Welding Machine for 18650 Lithium Batteries, Welding Nickel Sheets 0.1-0.25mm
Why we love it
Easy-to-read LED voltage display.
Compact and portable design.
Versatile for various welding tasks.
Main highlights- 【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.
- 【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).
- 【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.
- 【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.
- 【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.
18650 Battery Spot Welder Buyer's Guide
Written by Ryanne BrownIntroduction:
18650 battery spot welders are an essential tool for anyone working with batteries or electrical components. They are an invaluable tool for welding batteries together, repairing electrical components and more. There are a variety of 18650 battery spot welders available on the market, and it’s important to understand the features and specifications of each one so that you can make the best decision for your needs.
Power Requirements:
One of the most important factors to consider when buying a 18650 battery spot welder is the power requirements. Power requirements will vary depending on the type of welder you’re looking for, so it’s important to understand how much power you need in order to get the job done. It’s also important to consider the size of the welding area, as larger areas may require more power.
Types of Welders:
There are a number of different types of 18650 battery spot welders available on the market. The most basic type is the hand-held welder, which is a relatively inexpensive option for small projects. For larger projects, there are also bench-top and industrial welders, which have more features and capabilities. It’s important to consider the size of the project and the power requirements when deciding which type of welder is best for you.
Safety Features:
Safety is always a priority when working with any type of welding equipment, so it’s important to consider the safety features of each welder. Look for welders that have safety elements such as overload protection, over-temperature protection and other safety-related features. Many welders will also come with a protective shield to keep sparks and hot metal away from the user.
Accessories:
When purchasing a 18650 battery spot welder, it’s important to consider what accessories are included. Some welders may come with additional features such as spare parts, protective clothing, welding rods and more. These accessories can help make your welding experience easier and safer, so it’s important to consider what’s included with the welder.
Price:
The price of a 18650 battery spot welder can vary depending on the features and specifications you’re looking for. It’s important to consider your budget when making a purchase, as there are a variety of welders available at different price points. It’s also important to consider the quality of the welder, as a higher quality welder will likely last longer and provide better results.
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