Andonstar–How to solder wires to a 18650 lithium battery without spot welding machine

If you don’t have a spot welding machine around, it’s not easy to solder 18650 batteries because the surface of the battery is usually composed of stainless steel layers, making it difficult to solder. However, today we will try using several methods to weld wires on 18650 batteries using an electric soldering iron. Let’s take a look together!

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