making a 12v battery from 18650

  1. M

    Making a 12v 4s battery pack from 18650

    Hi, I have around 20 18650 battery just sitting around, so I thought of making a 4s 12v(well more like 12-16v battery depends on charge). That should be fairly easy overall, just looking for some advices to make it as good as I can. One thing I would like to try is avoiding soldering as much as...
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