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electrical:solar:panel-bank_ratio [2017/10/01 10:49] frater_secessus |
electrical:solar:panel-bank_ratio [2018/05/19 08:00] frater_secessus |
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====== Panel:Bank ratio ====== | ====== Panel:Bank ratio ====== | ||
- | A common rule of thumb for sizing batteries to solar power relates nominal panel output in Watts to bank capacity in Ah. | + | A common rule of thumb for sizing batteries to solar power relates nominal panel output in Watts to bank capacity in Ah. It is not gospel. |
- | //1:1// == 200W solar + 200Ah battery bank. \\ | ||
- | //2:1// == 200W solar + 100Ah of battery. | + | ===== 1:1 ===== |
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+ | //1:1// == 200W solar + 200Ah battery bank. | ||
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+ | This generally considered the minimum, though it will likely work out fine in [[electrical: | ||
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+ | [[electrical: | ||
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+ | ===== 2:1 overpaneling ===== | ||
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+ | //2:1// == 200W solar + 100Ah of battery. | ||
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+ | This slightly | ||
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+ | ===== 3:1 overpaneling ===== | ||
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+ | //3:1// == 300W solar + 100Ah of battery. | ||
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+ | This significantly overpaneled configuration generally yields an excess of power, making usable power in rain, winter, overcast conditions, etc. | ||
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+ | ===== 1:2 underpaneling ===== | ||
//1:2// == 100W solar + 200Ah of battery. (underpaneling or [[electrical: | //1:2// == 100W solar + 200Ah of battery. (underpaneling or [[electrical: | ||
- | For solar-only charging 2:1 or even 3:1 is recommmended. | ||
- | For [[electrical: | ||