Can I charge via 12 volts?

This is a discussion on Can I charge via 12 volts? within the Droid X General Discussion forums, part of the Droid X Discussion category; So Motorola doesn't give any input power range specs I could find. Basically, I have a Garmin GPS in my car that I installed a ...


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    Can I charge via 12 volts?

    So Motorola doesn't give any input power range specs I could find.

    Basically, I have a Garmin GPS in my car that I installed a hardwired power port. It is a 3.5mm stereo mini plug, and I made a custom 3" long wire with the 3.5mm jack on one side and the Garmin mini-USB on the other.

    So anyway, this makes for a neat installation with a tiny port in the dash to plug in the garmin. I'd like do do the same for the Droid X car dock by making a new cable with the appropriate micro USB end. However, can I use direct 12v power into the Droid? So many devices now can take a huge power range, I'm just looking if anyone has those specs.

    Otherwise I suppose I could custom make a wire using the guts of a 12v power adapter that is stepping down to 5v in the middle, but that is less tidy.

    Thanks.

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    requires 850mA
    5V
    Last edited by Martin030908; 07-25-2010 at 09:42 AM.

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    I certainly wouldn't put 12v into it. One option would be to make a 12v-5v zener diode based voltage converter. With some heatshrink and something like part of the body of a pen or marker for the housing you should be able to make a clean looking cable.

    12V to 5V DC converter using Zener diode and transistor : simple electronics

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