2nd dna mod is done. Pretty standard stuff except I found some really good 510 connectors. No more chintzy connectors for me. A little pricey at $12 for 3 but the quality as ease of use make it worth it. Nut and center pin solder easily. Got them from fatdaddyvapes.com
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Positive wire gets soldered right on the bottom of the pin. Your negative wire, most everyone solders it to the nut on the bottom side. I have this exact same 510 going on my okr-t10 build
I remove the pin screw and use a springloaded pin from mouse. Works great so far!