Dummy 18650 Cell for Testing
thingiverse
Dummy 18650 battery for testing pouch cells or other non-cylindrical cells. Wrap copper tape around the plus and minus terminals, then solder a wire to the copper tape and secure it with two strips of tape wrapped tightly around the dummy 18650 for strain relief. Adding a small blob of solder to the ends of the copper tape helps prevent oxidation which can cause a weak connection over time. Once secured, solder the dummy 18650 battery directly to the cell you want to test.
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