Mini Circuit Board Spot Welder 18650 Battery Box Assembly Portable DIY Welding Machine

NOTE:?This product does not contain farad capacitors, and the circuit does not include charging control.?

???Features:

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a??This product is suitable for connecting 2 series farad capacitors (2.8V + 2.8V). It is recommended that a single capacity of 3000F or above.?

a??The circuit is precisely controlled by the microcontroller program. It is divided into 3 power levels. 300A power tube X4 is output in parallel.

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Specification:
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a??Color: Blue

Specifications: 2.8V 3000F

Charging Voltage: 5~5.6V

Charging Current: 2~20A

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Package Included:
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1 x Main Circuit Board

1 x Buzzer

2 x Welding Pen With Wire

2 x Input Wire

4 x Copper Ears

4 x M5 Screws

2 x Welding Pen Insulation Heat Shrinkable Tube
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Note:

This product has updated the style and has the same function as the product in the picture without any mistakes.

a??Detail Pictures:

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