USB rechargeable flashlights can draw power from battery banks, portable power stations, generators, and or even a car. Solar-powered lights charge during the day and are ready to go at night.

but maybe the power bank is the new flashlight. [Aaron Christophel] has a battery spot welder that costs a not unreasonable 30 euros and can also be used as a novelty power bank. He subjects it to ...

It has a truly extreme range and the battery lasts ... can use it as a power bank and charge your smartphone and other small devices. A third customer said, “Great flashlight.