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electrical:solar:charge_controller [2023/11/27 12:28] frater_secessus [DDCCC] |
electrical:solar:charge_controller [2024/02/16 23:32] frater_secessus [how to choose] added video |
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Regardless of type, controllers will have several specifications in common. | Regardless of type, controllers will have several specifications in common. | ||
- | * **rating (or " | + | * **rating (or " |
* **12v/ | * **12v/ | ||
* **Maximum input voltage** - the highest voltage the controller should //ever// see from the solar array.((it is common to leave ~20% margin)) | * **Maximum input voltage** - the highest voltage the controller should //ever// see from the solar array.((it is common to leave ~20% margin)) | ||
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**MPPT is effectively required** when: | **MPPT is effectively required** when: | ||
* when one needs to squeeze every watt out of the panel | * when one needs to squeeze every watt out of the panel | ||
- | * using panels with nominal voltages higher than the battery bank voltage, like 24v panels with a 12v bank. To be fair, [[http:// | + | * using panels with nominal voltages higher than the battery bank voltage, like 24v panels with a 12v bank. To be fair, [[http:// |
* space available for panels is limited, as on a sailboat or small vehicle | * space available for panels is limited, as on a sailboat or small vehicle | ||
* daytime loads are hampered by [[electrical: | * daytime loads are hampered by [[electrical: |