DIY Portable Battery Storage Spot Welder Set, Spot Welding Machine 12V Welder Unassembled Battery Storage Solder Circuit Board
More Stable: Using 25V low internal resistance Sanyo high frequency capacitors to make the power supply more stable.
Suggested Battery: 20-45ah battery with good performance and small internal resistance; 3.5-5.5ah 45C 3S aeromodel battery pack; 30-35ah capacity battery pack.
Tip: If the battery is pretty good and the internal resistance is very low, and then there may be large current overload.If you are not sure about your battery, it's better to extend the wire by around 1 meter with 2.5² or 4² wire, then it will reduce the risk of power tube burnt.
Design: The MOS upper and lower bold and tin design makes the internal resistance smaller and the current stronger.
Voltage: It will become an energy storage spot welding machine for welding nickel pieces. Package: 1 pc x circuit board 4 pcs x copper nose 4 pcs x screw 1 pc x buzzer 1 pc x 1 meter nickel sheet 1 pc x capacitance 2 pcs x soldering pen 2 pcs x input wire 2 pcs x heat shrink tube
5.91 x 3.94 x 1.18 inches
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