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Solar Charging System Specs Inquiry

Discussion in 'General Electronics Discussion' started by Lei Reyes, Aug 18, 2015.

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  1. Lei Reyes

    Lei Reyes

    Jul 2, 2014
    I am experimenting on my solar panels with the ratings below attached,

    I have (2) 15Watts Panel and
    (2) 100Watts Panel

    all four are of the same brand.

    1. However, I do not know what Voltage and Current are being meant by google in such statement below;

    for the similar voltage thing, Is this particular quotation referring to the Vmp or the Voc?
    for the similar current thing, Is this particular quotation referring to the Imp or the Isc?

    2. I have here a 30amp MPPT Solar Charger. Is this going to be suitable for use if I connect all of the 4 Panels in Series?And in Parallel also?

    thanks !
  2. Colin Mitchell

    Colin Mitchell

    Aug 31, 2014
    Since you do not know the current capability of the panels, here's what you do.

    Get a car globe such as an inside light globe or a tail light with a wattage of 6 watts to 12watts and connect it the 15watt panel and gradually turn the panel into the sun.
    Measure the voltage.
    Do the same with the 100watt panel with a headlight globe.
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