... , at the same time ,the 5V voltage indication light up just offer the power for the digital products , the ... on and checking the power , 5V LED light up, press for three seconds again, the 9V led light ... again ,then transfer to the 12V indicator lamp light up, and the DC port is the 12V output.3 ... or DC port before charging.4,Do not throw/hit/break up or disconnect repair for yourself.5,Do not throw ...