Can you imagine a world without batteries? That’s the question posed by the inventor of Lumen, a flashlight that runs completely on power generated from your own body heat. With several working ...

According to its creators, not only can the ZeroHour XD tactical flashlight blast 1,000 lumens of light into the evening darkness for up to six hours, it can charge an iPhone seven times (though it ...

If you’re shopping for a flashlight, you may think looking at how many lumens it puts out is the best way to determine quality or usefulness. It’s an understandable assumption, but that number in ...

The FandyFire UV-S5 is a 3,000 lumen beast. It’s more flashlight than anyone needs, proving that more isn’t always better. But, it’s cheap enough, so if you want ultimate bragging rights, this is the ...