David Maxwell wrote:Am I correct in thinking that a 90 watt, 12 volt solar panel, in full sun, is determined to put out as close to 90 watts of power as it can achieve?
David Maxwell wrote: Now, my reasoning would suggest to me that the panel will continue to put out 20 volts up to the point where the current draw (amperage) matches the rated power of 90 watts, in this case 4.5 amps (90 watts/ 20 volts). At this point, increasing the current draw, (load), will result in a progressive fall in voltage output - to what? the "rated" 12 volts, below which it will not fall any further?
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