In 1899, David Misell, a Brit living in New York City at the time, patented the first modern tube flashlight (patent number 717,592), a handheld device he called an electric hand torch that used three ...

Different flashlights with various lumen ratings are intended for specific purposes. A large, heavy-duty flashlight with lumens in the thousands, for example, is intended only for professional ...

Acebeam has introduced a new and pretty thick flashlight called the X20. It houses two 18650 batteries which sit side by side. While the head of the X20 is round as usual, Acebeam has decided to use a ...