Maybe you already knew that the Shadow JM35 XHP50 had 4 Modes/levels, but I discovered just when the flashlight I received at home and I did some tests.
In addition to the three levels that we know, clicking twice, quickly, you come to the 4th level, “turbo”.
For test I directed the beam of light on a white wall and, with a tester-Luxmeter, I measured the light (limited/partial/relative, no real Lumen):