8 Speed Intelligent Mini Portable Spot Welding Machine Control Board DIY 18650 Automatic Lithium Battery Welding

MOS core operating temperature:175℃ Vds:Withstand voltage up to 40V Rds(on):Single internal resistance as low as 0.77mR :single over current capability 300A Precautions: 1.After the system is powered on the digital tube displays 0. At this time welding is not possible and the output power (1-8 gears) needs to be adjusted through the button. 2.It is recommended that the power supply voltage is 7V-16V and the working current is 100-300A. Exceeding this range may damage the control board. Colour:As Shown Material:plastic Size:13x8x4cm Package Contents: 1 * Mini Small Portable Spot Welder Kit Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.