lenovo docking station not powering laptop

Portable scanners​

Headphones​

Fascial guns (mini models)​

Portable angle grinders​

To provide power for electronic book readers to avoid the inconvenience of carrying a large number of paper books during camping

To provide power for temperature and humidity sensors to monitor the environmental conditions inside the camping tent in real time

To supply power to LED advertising light boxes (if the camping site has promotional needs) to display camping information

To power remote-controlled cars to add a parent-child interactive entertainment project during camping​