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12V Spot Welder Pen Tool Kit DIY PCB Circuit Board Spot Welding Machine

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Portable 12V DIY PCB Circuit Board Spot Welding Machine for 18650 26650 32650 Battery Spot Welder with Nickel Sheet Soldering Pen Welding Tool Kit
For welding 18650/26650/32650, etc.
Lithium battery, advantages: portable, stable and reliable, and durable.
Users need to supply 12V battery power, welding current is about 90A - 130A, for the common 18650/26650/32650 0.1mm - 0.15mm nickel plated welding. After several generations of product updates, it is now upgraded to automatically trigger the welding, liberating the buttons of the fingers.

Material: Electronic components
Packing size 15*10*3cm
Power Supply Requirements:
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)

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.

Battery recommendation:
20-45Ah Lead-acid battery with good performance and small internal resistance
3.5-5.5Ah 45C 3S aeromodel lithium battery pack
30-35Ah capacity 18650 battery pack

Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.