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opinion:solar:sizing [2022/05/24 15:10] frater_secessus [battery bank] |
opinion:solar:sizing [2022/05/24 15:12] frater_secessus [days of reserve] |
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[[lifestyle: | [[lifestyle: | ||
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There are many [[electrical: | There are many [[electrical: | ||
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Your **reserve requirements** will profoundly affect the size, complexity, and cost of the system. | Your **reserve requirements** will profoundly affect the size, complexity, and cost of the system. | ||
Sizing for an overnight camping trip is easy; sizing for a three day trip a challenge; | Sizing for an overnight camping trip is easy; sizing for a three day trip a challenge; | ||
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+ | ===== battery bank ===== | ||
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+ | Once you know your daily power and reserve requirements you can spec out a battery | ||
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+ | Having an **undersized bank** means //running out of power// at night. | ||
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+ | Having an **oversized lead bank** for your charging ability results in [[electrical: | ||
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+ | IMO, with lead chemistries((flooded, | ||
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+ | You will **need somewhat more Ah capacity** | ||
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+ | * if you have undersized solar | ||
+ | * you have lead-chemistry battery bank | ||
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+ | You will need **somewhat less Ah capacity** | ||
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+ | * if you run loads in the daytime instead of at night | ||
+ | * if you have [[electrical: | ||
+ | * you have lithium-chemistry battery bank((can be ~0.62% the size of the lead bank, due to deeper [[electrical: | ||