Snap-on LED Work Light Malfunction

[Smoky]

I'm doing some foundation repairs and the customer let me use two of their work lights to brighten things up in the basement.



One of them worked for about two hours and then started to flash on and off, and after a few cycles of this, the light doesn't want to come back on:



All of the LEDs shined bright when it worked so it must be something on the board that has failed:



The lights appeared to be in brand new condition but after a little research I found out that these were made around 2014 or so.

The construction quality of the light is very good, thick glass, no burns on the board, so probably worth a little time and effort to fix it. Plus, it was free