This shows you the differences between two versions of the page.
Both sides previous revision Previous revision | Next revision Both sides next revision | ||
electrical:solar:panel-bank_ratio [2018/05/19 08:27] frater_secessus [1:2 underpaneling] |
electrical:solar:panel-bank_ratio [2018/07/27 10:13] frater_secessus [Panel:Bank ratio] |
||
---|---|---|---|
Line 1: | Line 1: | ||
====== 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. It is not gospel. | + | |
===== 1:1 ===== | ===== 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: | This generally considered the minimum, though it will likely work out fine in [[electrical: | ||
- | |||
[[electrical: | [[electrical: | ||
- | |||
- | |||
===== 2:1 overpaneling ===== | ===== 2:1 overpaneling ===== | ||
- | |||
//2:1// == 200W solar + 100Ah of battery. | //2:1// == 200W solar + 100Ah of battery. | ||
- | |||
This slightly [[electrical: | This slightly [[electrical: | ||
- | |||
- | |||
===== 3:1 overpaneling ===== | ===== 3:1 overpaneling ===== | ||
- | |||
//3:1// == 300W solar + 100Ah of battery. | //3:1// == 300W solar + 100Ah of battery. | ||
- | |||
This significantly overpaneled configuration generally yields an excess of power, useful in rain, low winter sun, overcast conditions, etc. | This significantly overpaneled configuration generally yields an excess of power, useful in rain, low winter sun, overcast conditions, etc. | ||
- | |||
- | |||
' | ' | ||
- | |||
- | |||
===== 1:2 underpaneling ===== | ===== 1:2 underpaneling ===== | ||
- | |||
- | |||
//1:2// == 100W solar + 200Ah of battery. | //1:2// == 100W solar + 200Ah of battery. | ||
- | |||
Also known as [[electrical: | Also known as [[electrical: | ||
- | |||
* solar charging is [[electrical: | * solar charging is [[electrical: | ||
* the battery bank is [[electrical: | * the battery bank is [[electrical: | ||
- | |||
- | |||
Outside the above configurations, | Outside the above configurations, | ||
- | |||
- | |||
- | |||