To plug power inverter in cigarette lighter socket and turn around to assure good touch.
To check connectivity between cigarette lighter and socket, if loose, try to open plug shrapnel on both sides and then plug in cigarette lighter socket.
To confirm power indicator light is on.
To insert the using plug into the power inverter socket
To use designated cable if power inverter have high-power

Technology Parameters
Maximum sustained power: 800W
Maximum Efficiency: >90%
Input voltage range: DC11V-15V
Output voltage range: AC210V-240V
No-load current: 0.25A
Ambient temperature: 0_40
Output waveform: Modified Sine Wave (Distortion rate: <2%)
Low Battery Alarm: 10.4V-11V
High battery shutdown point: DC15V-16V
Low battery shutdown point: DC1V-11V