Solder wire designed to solder battery terminals instead of spot welding. It can solder small areas of stainless steel, nickel and aluminium. It will also of course work on copper. Please don’t buy this product if you only wish to solder copper as there are cheaper alternatives. The main reason to buy this product is to solder terminals to 18650 batteries and other types of work involving nickel, stainless steel and aluminium.

Product will start melting around 183 degrees C and will solder at around 350