power supply unit in cpu

Commercial electronic scales (mini models)

Model aircraft equipment​

Small humidifiers​

Single-lens reflex cameras​

To power car vacuum cleaners for cleaning dust and debris inside the vehicle or tent during camping​

To power handheld vacuum cleaners to keep the camping tent or canopy clean during camping​

To keep smartphones powered during camping to avoid losing connection​

To supply power to portable angle grinders to grind the sharp edges of camping equipment (ensure safety)