symptoms of a failing power supply

Blood glucose meters​

Health preservation pots (mini models)​

Massage devices (mini models, such as neck massage devices)​

Remote control cars​

To supply power to small copiers (portable) to copy maps, guides, etc. needed for camping

To power pet water dispensers (electric) to ensure the water needs of pets during camping​

To power mini medical devices (such as electronic blood pressure monitors) to ensure health monitoring for campers​

To supply power to balance scooters (auxiliary) to improve the efficiency of short-distance movement during camping