regulated dc power supply circuit diagram

Model aircraft equipment​

Electric cooking pots (small)​

Outdoor surveillance cameras​

Wireless projector​

To supply power to gate control equipment (if the camping site has such facilities) to ensure the management of entrances and exits

Power the tablet to play camping-related educational videos for the children

To charge neck massagers to relax the tension in the neck muscles during camping​

Charge the power bank a second time to avoid insufficient power supply when multiple devices are charging simultaneously