List of all 18650 Li-Ion cells tested so far:
http://danyk.cz/test18650_en.html
I have tested another four cheap 18650 Li-Ion batteries from Ebay. Two very low quality "2200mAh" cells, one obviously fake "3800mAh" cell and a used recycled 2400mAh UltraFire cell that probably came from e-waste and was rewrapped.
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https://www.patreon.com/DiodeGoneWild