... used, will automatically adjust current output, really play a plug and play. 7. After 72 hours aging ... DC 4.6V-5.5V, can use desktop computer. Laptop computer via USB or USB turn AC charger. If ... connecting line, charging line to the USB port connectiong a computer, this time the light is red LED instructions, ... of time, the instructions will light up one by one to power, when four green all the bright ...