12 xt6 ('skyray') with 4x26650 stopped working second day of use - driver board problem?

LED Flashlights – General Info 26650 Flashlights
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should be plenty of pics of them here.and a huge thread about beercan form factor lights.
and to add insult to injury your light may have fake cree leds
look to mtnelectronics for the best beercan light m6