If the router power adapter is usb plug, you can plug it directly. If not, it is necessary to go to Taobao to buy a booster board, to be inexpensive, conditions: charging treasure standard output voltage, output meets the input requirements of light cat (light cat behind the label)
Connect the USB plug and power plug to the router
And see if the router works
Some routers, if the power adapter is 9V or below, can be powered directly to the wireless router with a charging bank, and only a USB to DC line is required.
If it is higher than 9V, that is, 12V wifi, you can buy a booster line, so that the charging bank can supply power to the wifi. If you are afraid of trouble, you can buy a special power supply for the wireless router, called \"night tour treasure\"