At its core, this compact device combines the practicality of a high-powered LED flashlight with the functionality of a self-defense weapon. With its strikingly bright 2,200 lumens output produced ...

Imagine a compact flashlight that doesn’t need batteries ... Infinity uses nothing but body heat to power a single white LED. It only needs a five-degree temperature difference between the ...

With 9,000 lumens of brightness, this gadget will help you in more ways than one with its bright light and compact design. Egeh LED Rechargeable Flashlight, $14 (was $44) at Walmart The flashlight ...

This is a $15 discount on this powerful OLIGHT Arkfeld Pro Flashlight that offers 1,300 lumens in a pocket-sized footprint. It has three light modes, including a white LED light, UV light and a ...

Thus, if you’re building a powerful flashlight like [CrazyScience ... It allows the torch to be more compact without requiring a huge heatsink to keep the LED at an acceptable temperature.