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 ...

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 ...

While your smartphone’s flashlight technically does the job—and is always within reach—its performance pales in comparison to a dedicated flashlight. A pocket flashlight combines the best of both ...

As impulsive as I can be in some ways, I’m equally as overly cautious in others. On the one hand, I won’t hesitate to go and buy an old 440 for $500 and load it up in the trunk of my 1969 Dodge ...

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 ...