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Post by icedhot on Jun 1, 2016 15:19:53 GMT -8
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Post by spiderbob on Jun 1, 2016 19:19:12 GMT -8
More information is needed. To get amps, it's watts divided by volts so 105 divided by 12 equal 8.75 amps. Now what is your battery capacity, the Amp-hours of the battery you are going to use? Lets figure a continuous operation using a standard battery while no sun (night) you would use ~100w = 6 hours before battery discharge or actually 3 hours run time before the battery is 50% discharged which equals dead battery. Are you using the pump full time night and day, just once in a while, so many things need to be known. Your question, you need solar panels, battery, controller that is basic. One 100w panel with the direct sun can produce ~500w of power a day, but don't count on it. Using the 105w pump my above calculations are close, so again, how long do you intend to have it running?
An appliance that uses 8.75 amps to run will use up 8.75 amp-hours when it runs for an hour. you need to know how many amp-hours you will use in a typical day. The size and number of panels you purchase will be determined by how many amp-hours you use in a day.
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