northern power grid substation design

Small dehumidifiers​

Mini refrigerators​

Underwater drones​

Small electronic displays​

To supply power to underwater drones (if camping near water) to explore the underwater scenery around the camping site

To supply power to small electric hammers (if needed for construction) to assist in the fixed installation of camping facilities

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

To charge electric heating cups to meet the need for hot water anytime during camping​