5V USB to 9V Step-Up Converter with 5.5x2.1mm DC Plug
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Prices updated: 13 Oct 2026
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About this product
A USB-powered 5 V to 9 V step-up converter with a 5.5 x 2.1 mm male DC plug, for running 9 V devices from a 5 V USB source. The listing rates it for devices that use 9 V at 1 A, and states that it is not suitable for powering a router.
Specifications
- Input voltage
- 5 V (USB)
- Output voltage
- 9 V
- Output current
- 1 A
- Output connector
- 5.5 x 2.1 mm male DC plug
- Type
- Step-up (boost) converter
Frequently asked questions
Can I use it to power a router?
No. The listing specifically states that it is not used to power a router. It is intended for devices rated 9 V at 1 A.
What devices is it suitable for?
Devices that need a 9 V supply at up to 1 A and use a 5.5 x 2.1 mm DC barrel connector.
