DIY Portable Battery Nickel Sheet Spot Welder PCB Circuit Board Kits 3.7-4.2V

Description

DIY Portable Battery Nickel Sheet Spot Welder PCB Circuit Board Kits 3.7-4.2V
It i
s equipped with high-rate power lithium battery power supply, precise control by single-chip microcomputer, and the power tube outputs a powerful instantaneous current to complete the spot welding work.
The PCB board optimizes the layout of the components, and adds pure copper conductors to enhance the overcurrent capability. The 300A*3 power tube ensures sufficient power redundancy. The capacity of the power battery is 4500ma, and the discharge rate is 90C.
Welding power is divided into three levels: low, medium and high (the color of the indicator lights are green, yellow and red), which is concentrated on a key cycle control and has a 10-minute automatic shutdown function.
This component is charged with MICRO USB 5V, the indicator light is blue when charging, and it is fully off
Performance parameters:
Battery voltage: 3.7V-4.2V
Battery capacity: 4500ma
Discharge rate: 90C
Charging method: MICRO USB 5V
Charging current: 1A
Welding objects: battery pole pieces, nickel pieces, steel pieces, etc. (copper and aluminum non-welding coverage)
Welding thickness: 0.1MM-0.15MM
Package included:
1X Power Battery
1X Circuit board
1X USB charging cable
1X Welding pen (including 10AWG silicone wire about 28CM)
1X 0.1MM nickel sheet for testing (about 50CM)
1X USB cable for charging
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