DC 5.5X2.1mm female 5V USB type a male 9V 8.4V 12V 12.6V Step UP Adapter Cable Module Power Boost wire Converter for audio

Product details :

Product Application:
the USB Boost line Step UP Module :
1.With this cable, you can connect your power bank to router. Thus, when power cut, you can use your power bank to supply your router!
2. Use this cable, you can supply your car Air Purifier by power bank
 
USB cable USB to DC 5.5 * 2.1mm charging cable power supply cable hole 5V/9V/12V/8.4V/12.6V boost lines USB cable

[Introduction]: by charging treasure to power other devices. Such as: routers, USB lights, USB fan, radiator, 5V mini speakers, and so on ...
DC power plug size: diameter: 5.5mm, inner diameter: 2.1mm; positive with 1 meter cable length
 
[Difference between the three lines]
5V straight through: pure power cord, USB input is 5V, power DC plug output is 5V
9V boost line: With the boost components, the input voltage of 5V via USB components, the boost to 9V voltage 0.8A

8.4V boost line: With the boost components, the input voltage of 5V via USB components, the boost to 8.4V voltage 800maA

12V-through: with boosting components, the input voltage of 5V via USB components, boosted to 12V Voltage 500maA

12.6V-through: with boosting components, the input voltage of 5V via USB components, boosted to 12V.6 Voltage 500mA
 

Pro, buy the following criteria
1: Voltage Selection
Pro directly in back of the product label, or you can see the power products, power supply input 5V, 9V and 12V standard, depending on your router to choose our pro corresponding boost cable.
(5v 9V,8.4V output boost line 0.8A, 12V ,12.6V output boost line 0.5A-0.6A, if you are a product you can not use more than this max current)
 
2: plug Dimensions:
If you are unsure, you can check with the manufacturer, or online consultation which sell equipment which businesses: Size DC power plug whether the outer diameter of the inner diameter of 5.5mm, please be assured that if the choice of 2.1mm.
Pro can direct most of the routers are the outer diameter of the inner diameter of 5.5 * 2.1

Package Included:
1pcs 9v 8.4v 12.6v 12v USB Boost line Step UP Module cable for choose