DC 5V to 9V 12V USB Step-up Converter Cable 3.5x1.35mm Connecter For Power Supply Charger Power Converter USB Boost Converter
 
Product parameter:
Product name: USB boost meter
Product model: KWS-912V
Interface nature: USB to DC round hole
Voltage input: 5V
Voltage output: 9V/12
TZT Maximum output current: 9V 1A 12V 0.8A
Cable length: 0.8 meters
 
This product is suitable for powering routers/optical modems and other devicesthrough the USB port of the power bank.
Product interface: USB to DC3.5mm/USB to DC5.5mm
 
Interface size: [DC3.5mm Interface specifications: outer diameter 3.5mm,inner diameter 1.35mm]
[DC5.5mm interface specifications:outer diameter 5.5mm,inner diameter 2.1mm TZT]
 
Plug level: positive inside and negative outside