21700 Battery adaptor

21700 Battery adaptor

thingiverse

designed a 21700 adaptor for Pico 21700 to use 18650 batteries. I use cheap chicago screws as pins: like this one https://www.ebay.com/itm/5-20pcs-Solid-Brass-Leather-Belt-Wallet-Chicago-Screw-Back-Nail-Stud-Bind-Rivet/112500391868?ssPageName=STRK%3AMEBIDX%3AIT&var=412887830720&_trksid=p2057872.m2749.l2649

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