Price:
US$23.99
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DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650
![](https://imgaz1.staticbg.com/thumb/gallery/oaupload/ser1/banggood/images/98/09/b3c364bf-d684-4f5c-8a9d-2d1df3f19a5c.jpg)
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Features:
● Power Supply: Users need to supply 12V battery power, welding current is about 90A~130A.
● Power supply requirements: It is forbidden to use the power supply of the farad capacitor, and it is forbidden to use the lead acid battery or lithium battery pack of 60A or above.
● System voltage: 12V-14.6V (capacity X rate = must be greater than 150A)
● Current requirements: 150A or more instantaneous output (such as car starter power supply, 3S RC high-power battery pack, 20A lead-acid battery with good performance above 20A)
● Misunderstanding: Don't think that you can use 3 series 18650 series to supply power. After all, the conventional 18650 only has 3-5C discharge rate, so each section can only provide 2.5A*3=7.5A load capacity, which is far from 150A unless 20 Parallel connection, 3 series and 60 sections of 18650 are possible, but it is obviously unrealistic.
● The battery pack that can start the car can basically meet the power supply requirements of this circuit.
● The following battery packs can be used as working power:
1. 12V car starter power supply
2. Model 3S high rate battery pack
3. 3 string high rate lithium battery pack
4. Hitachi 40900 3-string battery pack
5. 12V 20A and above lead acid battery with good performance
Specifications:
Type: Spot Welder Machine PCB Circuit Board
Welder Type: Battery Spot Welder
Voltage: 12V
System Voltage: 12V-14.6V
Working Current: 90-130A
Package Included:
1 x Welder Machine PCB Circuit Board Sets
Detail Pictures:
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/4A/05/9700cb3c-1cb5-481d-be4b-13de401f351a.jpg)
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/3E/F4/2f9ba70b-32d4-4549-a823-5923c98df3f9.jpg)
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/98/09/b3c364bf-d684-4f5c-8a9d-2d1df3f19a5c.jpg)
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/B1/76/9f5e31b5-ee08-40b7-972e-5068fff66cea.jpg)
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/DE/F8/892f3fb1-2097-4a56-a844-7bdd7daf7231.jpg)
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/6C/C2/37f11585-b41c-42f4-8612-d47e4ff8c18e.jpg)
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/E3/DE/63424fd2-05d7-4b38-b19b-10c039acfbdb.jpg)
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/8B/73/b9906092-4f58-412e-b0c6-568e47c0fd9e.jpg)
![DIY Portable Spot Welding Machine 12V Battery Storage PCB Circuit Board Welding Equipment Spot Welders Pen For 18650/26650/32650](https://imgaz.staticbg.com/images/oaupload/ser1/banggood/images/CD/ED/90d916c8-3582-4023-bc5c-03ae37268a56.jpg)