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electrical:solar:panel-bank_ratio [2017/10/01 10:49] frater_secessus |
electrical:solar:panel-bank_ratio [2018/07/27 10:13] frater_secessus [Panel:Bank ratio] |
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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. It is not gospel. | ||
- | A common rule of thumb for sizing batteries to solar power relates nominal panel output in Watts to bank capacity in Ah. | + | ===== 1:1 ===== |
- | + | //1:1// == 200W solar + 200Ah battery bank. | |
- | //1:1// == 200W solar + 200Ah battery bank. | + | This generally considered the minimum, though it will likely work out fine in [[electrical: |
- | + | [[electrical: | |
- | //2:1// == 200W solar + 100Ah of battery. | + | ===== 2:1 overpaneling ===== |
- | + | //2:1// == 200W solar + 100Ah of battery. | |
- | //1:2// == 100W solar + 200Ah of battery. | + | This slightly |
- | + | ===== 3:1 overpaneling ===== | |
- | For solar-only charging | + | //3:1// == 300W solar + 100Ah of battery. |
- | For [[electrical: | + | This significantly overpaneled configuration generally yields an excess of power, useful in rain, low winter sun, overcast conditions, etc. |
- | + | ' | |
+ | ===== 1:2 underpaneling ===== | ||
+ | //1:2// == 100W solar + 200Ah of battery. | ||
+ | Also known as [[electrical: | ||
+ | | ||
+ | * the battery bank is [[electrical: | ||
+ | Outside the above configurations, | ||