"galvanized 1010 steel. The steel is 12% as conductive as copper. The zinc coating is 27% as conductive as copper. Compared to spot welding? You need resistance to weld. Solid nickel strips are 22% as conductive as copper. And the battery builder may have used nickel plated steel- it's the most common connector. And the strips are small compared to BatteryBlocs connectors. The larger the connector the less resistance. And the larger the connection area the less resistance. That's why BatteryBlocs' connectors are massive and the tops are open to allow massive contact area. I'm not saying one way is better than another, I do both in my shop depending on the job. I spot weld when I have to fit the cells into a small preexisting case. But when I am just building a battery, I go for the modularity and solidness of BatteryBlocs."
smeagol222 wrote:That cutting board seems like the best way to get acrylic. [...]
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