4V-12V Portable Mini DIY 18650 Battery Spot Welding Machine Pen Storage Machine Welding Equipment Without Needle
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1. Voltage: 4V-12V (over voltage will burn)
2. Support one-key switch
3. Support automatic shutdown (will automatically shut down when not in use)
4. Support pulse time adjustment (a total of four adjustable)
1. This type requires self-welding wire and spot welding needle.
2. Avoid holding capacitors and batteries, which is very dangerous.
3. It can be used on lead-acid batteries above 20A, can also be used on aircraft model batteries, car emergency power supplies, or can use 2 strings of super farad capacitors.
4. Please be careful not to use too much voltage, or use too much current, otherwise it will burn the power tube. Generally, the normal current is about 700A.
1 x Spot Welding Machine Pen
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