Power to other devices by charging bank. Such as: routers, USB lights, USB fans, small LCD TVs, car purifiers, 5V mini speakers, etc.
DC power plug size: diameter: 5.5mm, diameter: 2.1mm; inside is positive, the line length of 1 meter
The USB input 5V voltage through the components, boost to 12V voltage 1A
3 x 5V To 12V Power Line
3pcs USB Boost Line Power Supply Module 5V To 12V Power Line 1A Power Cord