Testing the World’s Most Powerful Tactical Flashlight

Last updated: May 25, 2026 · Originally published: May 30, 2020

Let’s set phasers to “Surface of the Sun.”

A light source is a critical part of your everyday carry (EDC) rig. Although you’re far more likely to use it to find the keyring you dropped in a dark parking lot than you are to light up a target during a low-light firefight, you’re definitely going to want a flashlight sooner rather than later. In a defensive situation, your everyday carry flashlight can help you direct fire if necessary…but many people have discovered that an extremely bright light can blind and disorient an attacker, too. But how bright do you need that light to be? Well, to answer that question, we’ve gone to famous YouTuber CrazyRussianHacker. In this video, the crazy Cossack tests out a flashlight clocking in at a jaw-dropping 100,000 lumens. Set your phasers to “Surface of the Sun,” my friends…