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electrical:depth_of_discharge [2021/02/21 13:33] frater_secessus [SoC by voltage] |
electrical:depth_of_discharge [2023/08/17 20:43] frater_secessus [Depth of discharge / State of Charge] |
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===== Depth of discharge / State of Charge ===== | ===== Depth of discharge / State of Charge ===== | ||
- | {{ http:// | + | {{ http:// |
- | For solar powered systems the greatest | + | DoD is the inverse of //State of Charge |
- | DoD has a **significant impact on longevity of deep cycle batteries**. | + | DoD has a **significant impact on longevity of lead deep cycle batteries**.((and, to a lesser degree, lithium batteries)) |
- | ===== effect of SoC on battery life ===== | + | |
+ | Note: This information (including the chart to the right) is primarily relevant to lead-chemistry batteries. | ||
+ | ===== effect of DoD on battery life ===== | ||
How deeply one regularly discharges lead-chemistry batteries will have a **direct effect on how long the battery bank will last**.((Banks are typically replaced when they have lost 20% of their capacity)) | How deeply one regularly discharges lead-chemistry batteries will have a **direct effect on how long the battery bank will last**.((Banks are typically replaced when they have lost 20% of their capacity)) | ||
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If the battery rebounds to the desired voltage then repeat to deeper discharge. | If the battery rebounds to the desired voltage then repeat to deeper discharge. | ||
+ | An [[electrical: | ||
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This section [[electrical: | This section [[electrical: | ||
+ | ===== lithium SoC ===== | ||
+ | |||
+ | Lithium chemistries have very flat voltage curves, making it notoriously difficult to gauge SoC by voltage. |