Just an update to the known cutout issue for the Wurkkos TS22. I now have 2 of these lights, the green one was bought in late 2024, the black one a month ago. The drivers are marked identically, I'm guessing that the firmware must have been updated because while the green one cuts out entirely when knocked, the more recent one just cuts out momentarily. Much less of an issue. Unfortunately Wurkkos were non-responsive when I contacted them with a video showing the issue with the green one.



by ViolinistBulky

4 Comments

  1. Cryptoxic93

    My Sofirn SP35 cuts out the same way, but only while in Turbo mode so not a deal breaker. Lack of dual springs is the issue. Battery slams into the driver likely causing damage to the PCB and other components. 

    I no longer buy anything larger than 14500 unless it’s dual springed. 

  2. Longjumping_Fact_927

    The battery is temporarily disconnecting from the post in the head. Dropping on tail will do that with a lot of lights that do not have a spring in both head & tail.

  3. Visible-Figure4371

    My convoy m21f also does this briefly

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