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OT: USB charging via solar

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  • OT: USB charging via solar

    I have a solar panel that says it is for "12v charging."

    Specifications:
    DS-A1-20 Solar Module for 12V charging
    Module Rated Power (Wp) 5% Rated Voltage (Vmp) Rated Current (Imp) Open circuit voltage (Voc) Short Circuit Voltage (Isc)
    DS-A1-20 20W 17.3V 1.16A 21.6V 1.29A
    I would actually like to use this for 5V charging, maybe two phones or a phone and a tablet.

    Anyone have recommendations for a good buck transformer that can take this solar panel as input, and provide a couple of USB ports for charging?

    Does Parts Express carry anything?
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