TOP 8 unusual gadgets for hiking

Flashlights and smart bulbs with USB output

In fact, these are the same power banks. It’s just that now manufacturers of “camping” devices with built-in batteries began to supply them with an additional board and a 5-volt port for charging gadgets via USB.
As a fallback “emergency” solution – quite a good option. We carry batteries inside our flashlights anyway, so why not have full access to them when needed.