Crafts from boxes

To solder rechargeable batteries, the case of which is made of stainless steel, a conventional soldering flux will not help here - you need to use zinc chloride. You will also need to use a thin copper wire (however, it must first be tinned). In principle, there is nothing complicated in soldering stainless steel batteries, the main thing is simply to follow the technology for performing this procedure and not overheat the case itself with a soldering iron, otherwise the battery may be covered with a "copper basin". Read More