DC-DC USB 5V to 9V DC Jack 5.5mm x 2.1 Boost Power Module Converter Cable USB to 2.1mm DC Booster Cable 9V
Product Description
This cable is kinda fascinating - it has an integrated boost converter, so you can plug it into any USB port (from a computer, battery pack, etc) and it will give you a higher DC voltage! It's a handy way to power 9V powered devices with a center-positive 2.1mm DC barrel jack from a USB port. We also have a version that provides 12V.
Input voltage: DC 5V, maximum input current: 2.0A.
Output voltage: DC 9V, maximum output current: 800 mA.
Cable length: about 1 meter/3 feet
Input interface: USB A type male
Output interface: 5.5 x 2.1 / 2.5 mm (DC interface built-in spring, compatible with 5.5 x 2.1 / 2.5 mm DC interface.Please make sure to confirm the size of the DC interface before purchasing.)