Operation method:
1. DC output under DC load. Turn on the DC switch (main switch), LCD self-test, DC12V, USB5V will have output, connect the DC load. 

2. AC output under AC load. Turn on the DC switch (main switch) first, and then turn on the AC switch. At this time, the AC output port will have AC voltage output. 

3. When starting the ignition of the car, there is no need to open the DC switch (main switch) and the AC switch, and the car ignition port will also have current output. 

4. When shutting down, first turn off the switch of the load, and then turn off the AC switch and DC switch (main switch) of the portable power station