USB 12v Step Up Connectors for Router via USB

F5F Stay Refreshed Hardware Desktop USB 12v Step Up Connectors for Router via USB

DropletJ
Junior Member

10-31-2016, 11:50 PM

I own a Solar Portable Powerbank rated at 5v 2.4a one port and 5v 3a the other, featuring both solar and USB charging. I've observed some devices claiming to "step-up" 5v to higher voltages like 9v or 12v. Are these USB devices safe to use? If so, what should I do? This is especially relevant for camping where mains power isn't available unless I purchase a large power unit.

DropletJ

10-31-2016, 11:50 PM #1

Silvinha10
Senior Member

694

11-02-2016, 01:40 PM

What are you trying to power?

Silvinha10

11-02-2016, 01:40 PM #2

What are you trying to power?

Marcustheduke
Senior Member

679

11-04-2016, 09:19 AM

Router. It was provided with specifications of 12v 1.5A DC.

Marcustheduke

11-04-2016, 09:19 AM #3

Router. It was provided with specifications of 12v 1.5A DC.

zShard
Member

194

11-05-2016, 07:52 PM

The router indicates the power wattage is 18W. Your 5V supplies can handle up to 15W (5V at 3A). There will be some loss during the step-up voltage conversion.

zShard

11-05-2016, 07:52 PM #4

The router indicates the power wattage is 18W. Your 5V supplies can handle up to 15W (5V at 3A). There will be some loss during the step-up voltage conversion.

tboy2
Junior Member

11-11-2016, 02:58 PM

A circuit designed to raise the voltage of a supply is called a "DC-to-DC boost converter".
You should test the highest current your router uses with an ammeter. The router's power source might deliver up to 1.5A, but it's probable it only consumes 0.9A.
12V multiplied by 0.9A equals 10.8W, meaning a DC-to-DC converter linked to a 5V 3A power bank would function properly.

tboy2

11-11-2016, 02:58 PM #5