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electrical:depth_of_discharge [2023/08/17 21:09] frater_secessus [SoC by voltage] |
electrical:depth_of_discharge [2023/08/17 21:16] frater_secessus [estimating SoC while resting] |
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- | A rested (no load), fully charged, unFloated lead battery will be 100% around 12.7v-12.8v; | + | A rested (no load), fully charged, unFloated lead battery will be 100% around 12.7v-12.8v; |
The famous chart to the right is used to estimate SoC of a rested battery after a full charge. | The famous chart to the right is used to estimate SoC of a rested battery after a full charge. | ||
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A rested (no load), fully charged, unFloated lithium battery will be 100% around 13.5-13.6v. | A rested (no load), fully charged, unFloated lithium battery will be 100% around 13.5-13.6v. | ||
+ | As we will see below SoC-by-voltage will appear to be **artificially high during charging**((voltage rise)) and **artificially low during discharging**((voltage sag)). | ||
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**Lithium batteries** also exhibit voltage sag under load but typically much less than AGM or especially FLA. An [[electrical: | **Lithium batteries** also exhibit voltage sag under load but typically much less than AGM or especially FLA. An [[electrical: | ||
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+ | ===== estimating SoC while charging ===== | ||
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+ | Similar to voltage sag during discharge, batteries exhibit voltage //surge// or //rise// during charging. | ||
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===== partial state of charge ===== | ===== partial state of charge ===== |