To charge up, you just find a free USB-C port on something -- charger, power bank, laptop, or computer -- and plug it in. The port folds away when not in use and is protected from damage by the carry ...

This led lamp circuit can be used as a mini led flashlight. Together with a 1.2 V rechargeable battery, all the components fit into a small enclosure. This is actually a DC to DC converter that ...

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 ...

Dubbed the LUXEON Portable PWT1 emitter and claimed as the market’s smallest power LED designed for flashlights and other portable lighting, the emitter generates 26 lumens at 350 mA from a package ...