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  • Users: cmamich
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  1. cmamich

    Battery Powered System, Overvoltage Possible!?

    Hey everyone, first of all --- great website, long time lurker, first time poster. Thanks to all who contribute. I have a National Instruments data acquisition device and a 900Mhz serial modem being powered by two 12V gel batteries in series. The DAQ and RF modem are in a NEMA rated enclosure...

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