Quote: Clippie wrote in post #13

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If you look on eBay I think you will find such USB charging ports are cheaper. Not only that but I have found a usb 5volt to 12volt Charing cable that will provide the constant 12volt supply I will need for a bit of tech equipment I have for the Triton. Price is under £3 including delivery. Though for some reason I can not post a link to the eBay product. Search term is : USB Male A to DC 5v Power Supply Cable DC 5.5mm x 2.1 mm DC Jack Plug Charger

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Do you mean Werbung: this?

If you do, you won't get a 12V output from the jack end if the USB end is plugged into a USB socket. All USB sockets deliver an industry-standard output of 5V. It's the current that varies, not the voltage.

You can get a step-up converter cable which will give you 12V at the jack end, but the current output is small at 800mA maximum. If you squoze too much current out of it, it'd get very hot, very fast.

It might be a cable like that was what you meant, though I don't quite see the logic in using a cheap step-up converter to get 12V from a 5V USB socket when the input to the USB socket is likely as not going to be 12V already.

If you're after 12V from 230V, I'd probably use a 12V power supply adapter with the appropriate jack on the end.

If you want something permanent with a bit more oomph and more flexibility in terms of rock-steady 12V (and 5V) outputs for your hush-hush piece of tech, you could use a computer PSU, either hardwired into the van's 230V supply or plugged into a three-pin socket using the kettle-type mains lead that a home PC comes with.

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