Many customers are surprised—when they search for a lithium battery spot welding machine online, they often find prices vary significantly between models. Some machines cost as low as hundreds of dollars while others run into thousands, and a few even tens of thousands of dollars! Why is there such a big price difference in lithium battery spot welders?? The answer lies in the welding power supply. Different technologies for welding power supplies are the key to welding performance, stability, efficiency and likely, the price of the machine. So, let’s take a closer look at the different types of welding power supplies, how they affect the price of a lithium battery spot welding machine, and whether they can suit your welding needs. Lithium battery spot welding machines fall into four categories: AC spot welding machine Capacitor discharge (energy storage) spot welding machine High frequency DC spot welding machine Transistor spot welding machine
