[RE-wrenches] reliable 12vdc to 5vdc converters for USB charging

[William Miller]

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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Miller Solar
Voice :805-438-5600
email: william at millersolar.com
http://millersolar.com
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