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electrical:depth_of_discharge [2020/03/09 15:36] frater_secessus [SoC by voltage] |
electrical:depth_of_discharge [2020/05/13 11:33] 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 (and therefore lowest SoC) will be in early morning just before the panels start creating power again. | For solar powered systems the greatest DoD (and therefore lowest SoC) will be in early morning just before the panels start creating power again. | ||
DoD has a **significant impact on longevity of deep cycle batteries**. | DoD has a **significant impact on longevity of deep cycle batteries**. | ||
+ | ====== effect of SoC on battery life ====== | ||
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The **most common discharge limit for deep cycle batteries is 50% DoD**. | The **most common discharge limit for deep cycle batteries is 50% DoD**. | ||
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* lowest cost per Ah happens at 30% DoD | * lowest cost per Ah happens at 30% DoD | ||
* longest life happens at 20% DoD | * longest life happens at 20% DoD | ||
- | * least battery weight happens at 80% | + | * least battery weight happens at 80% DoD |
so make your DoD decision based on what is most important to you. | so make your DoD decision based on what is most important to you. | ||
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| | **T105 Ah**| | **Cost**| | | | **T105 Ah**| | **Cost**| | ||
| | 225| | $260.00| | | | 225| | $260.00| |