Universal USB to DC Charging Cable 5v 9v 12v USB to DC Charging Cable for Speaker Mini Router Fan

1. With this cable, you can connect a power bank to your router. In this way, when there is a power outage, you can use the power bank to power the router!
2. With this cable, you can power the car air purifier via a mobile power bank
 
USB cable USB to DC 5.5*2.1mm charging cable power cable round hole 5V/9V/12V boost cable USB cable
 
【Introduction】: Use the power bank to power other devices. Such as: routers, USB lights, USB fans, radiators, 5V mini speakers, etc....
DC power plug size: diameter 5.5mm, inner diameter 2.1mm; positive electrode with 1 meter wire length
 
【The difference between the three lines】
5V pass-through: pure power line, USB input is 5V, power DC plug output is 5V
9V boost line: with the boost component, the input 5V voltage is boosted to 9V voltage through the USB component 0.8~1A
12V pass-through: with boost component, the input voltage 5V is boosted to 12V voltage 0.8~1A via USB component
 
Dear, the purchase conditions are as follows
1: Voltage selection
You can see directly on the label on the back of the product or on the product power supply that there are three standards for power input: 5V, 9V, and 12V. Please choose our corresponding boost line according to the different routers you have.
(9V, 12V output boost line 0.8~1A, if you are a product, you cannot use more than 1A)
 
2: Plug size
If you are not sure, you can check with the manufacturer, or consult online with the equipment seller: Is the size of the DC power plug outer diameter * inner diameter 5.5? If you choose 2.1mm, please rest assured.
 
 
You can directly use most routers, which have an outer diameter and an inner diameter of 5.5*2.1

8pcs Laptop Charger Adapter Heads

Perfect for laptops

8 interchangeable pen tips for flexible adaptation to different laptop models

Output terminal A: φ6.4xφ4.4mm

Output head B: φ6.3xφ3.0mm

Output terminal C: φ5.5xφ2.5mm

Output head D: φ5.5xφ2.1mm

Output terminal E: φ5.5xφ1.7mm

Output terminal F: φ4.8xφ1.7mm

Output terminal G: φ4.0xφ1.7mm

Output head H: φ3.5xφ1.35mm