USB Boost Converter Cable DC To DC 5V/9V/12V USB Voltage Step-Up

If it is 9V, choose 9V for common use. If it is 12V, choose 12V for common use. 5V straight-through: simple power line, USB input is 5V, power DC plug output is 5V. Compatible DC Plug Size: With its 5.5 2.1mm DC interface size, this usb power boost line is compatible with a wide range of devices, making it a versatile and useful accessory.

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