News » best spot welder for batteries

Now sequre has released two portable spot welding machines. SQ-SW1 spot welder has been launched for a long time. Many battery DIY lovers have tried SQ-SW1 spot weld machine and given a lot of good comments on the use experience. Sequre recently launched SQ-SW2 spot welders. What is the difference between this spot welder and SQ-SW1? Maybe you might ask. Below, I'll list the differences...