Jim:
Astrodyne makes encapsulated modules that convert Dc to DC. You will need
to build an enclosure with fuses and a little circuit board. I have one in
the field providing 5 VDC and 12 VDC for a broadband internet relay. It
has worked well for years.
Here is a link for one
model:
http://www.astrodyne.com/ecatalog/usa/encapsulated-power-supply/ASD30-24S5
Or you can go the this page and choose your
own: http://www.astrodyne.com/ecatalog/usa/encapsulated-power-supply
Good luck.
William Miller
At 11:33 AM 2/22/2012, you wrote:
Hi wrenches
Does anyone know of a decent source where i could buy a converter that
pulls 12V or 24v off a battery or load output of a CC and steps it down to
5 Vdc [preferably to a pre-wired USB female connector?]
I am not looking for anything that comes with a module included [like
those keychain 1W solar phone chargers], but rather something that will
remain hardwired [essentially a USB wall outlet located at the home's
indoor DC load center.]
Also NOT looking for the car cigarette lighter adaptor variety, though it
will serve the same purpose.
I would like to include these in simple DC-only PV systems for central
america, and avoid involving truckstop inverters [going from DC to AC back
to DC] to charge cell phones/ mp3 players/ etc.
thanks
Jim MacDonald
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