Portable Mini DIY 18650 Battery Spot Welder Pen

Product information：  

Mini integrated spot welder

-A section with needle without thread

-B type wire + copper nose + solder pin, red and black wires are each half a meter

(The details are subject to the actual delivery)

data:
1. Voltage: 4V-12V (It will burn if the voltage is exceeded)

2. Support one-key switch

3. Support automatic shutdown (automatic shutdown when not in use)

4. Support pulse time adjustment (a total of four gears can be adjusted)

note:
1. This requires self-welding wires and spot welding pins.
2. Do not hold capacitors and batteries in your hand, which is very dangerous.

3. It can be connected to lead-acid batteries above 20A, and can also be used on aeromodelling batteries, car emergency power supplies, or 2 strings of super farad capacitors.

4. Please be careful not to connect to excessive voltage, or use excessive current, otherwise it will burn the power tube. Generally, the normal use current is about 700A.

5. This product is special, please test it on the day of receipt, the power tube is not guaranteed to be returned if it is burned out.