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The full review is available here
English review at BLF
German review at my website
Summary
A novel design, four Nichia 519A with outstanding color rendition, a boost driver for constant brightness and a simple user interface. The Wurkkos TS26S is an excellent flashlight in its category – good job, Wurkkos!
There are just some minor details that need to be improved, like the sharp cooling fins. Also it would be nice to have a symmetrical battery tube with a single direction clip that you can turn around.
How tough is it? My trusty Convoy L6 is flickering a bit and I wouldn’t mind something smaller to replace it.
Hard to say, lol. The driver isn't potted and a hard impact might damage the inductor of the boost driver or other parts of it. The glass can shatter, the aluminum deform. You can destroy any light with enough force. But for normal use it should be good enough.