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  • Re: Off grid system design help

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    It starts with the math... The standard equations for power are: * Power = Voltage * Current * Power = Voltage^2 / Resistance * Power = Current^2 * Resistance The first equation... Note that you can …
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  • Re: What causes a battery cell to go bad?

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    It is hard to say--There are many possible causes... We have reports of new (or virtually new) batteries that have a cell with (what appears to be) 1.0 SG (water)--The reality is most battery hydrome…
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  • Re: Battery Wiring Option A or B????

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    The issue for fusing is that holders+fuses+spare fuses is not cheap--And you need to keep spare fuses handy. For circuit breakers, they are not much more, but do take up a lot more room. But you also…
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  • Re: shade

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    I double checked using the Midnite Kid string sizing tool: http://www.midnitesolar.com/sizingTool_kid/index.php And it looks fine to have all three panels in series. Of course, if there is anything y…
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  • Re: shade

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    Assuming that you have the choice of 3x in series (one string), or 3x parallel connected in parallel... And you do not have a long run from the solar array to the charge controller--Then I would sugg…
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