I visited Lumintop recently and they kindly provided the Lumintop Mach for review. I got to dunk it under water at the office.
26,000 lm. 8x CREE XHP50.3, 3x 21700 button top. It has a nice power bank with a display. PD and QC.
The heatsink and fan seem water resistant.
Here’s a sneak peak: