I’ve put together a list of the top keychain flashlights you’ll want to carry everywhere you go. Though small, the Nitecore TINI 2 is mighty. Built from sturdy aluminum, it’s capable of withstanding ...

250–800 lumen hits the sweet spot of distance and battery life, with anything above 800, like the Nitecore T4K Keychain Flashlight (4,000 lumens), being ideal for outdoor, professional use.