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electrical:converter [2023/10/16 12:19] frater_secessus [choosing a converter] |
electrical:converter [2023/10/16 12:23] frater_secessus [choosing a converter] |
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- | ==== choosing a converter ==== | + | ===== choosing a converter |
If money is no object you can buy a multistage (" | If money is no object you can buy a multistage (" | ||
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- | === cost === | + | ==== cost ==== |
The higher the rating and the more features the more expensive the shore power charger. | The higher the rating and the more features the more expensive the shore power charger. | ||
- | === limits of 15A shore power === | + | ==== limits of 15A shore power ==== |
- | I would limit myself to 13A off a 15A shore power plug, or 1,560w. Assuming 10% conversion losses this would give us a **theoretical max of around 100A of converter charging** (14.4Vabs x 100A). | + | 13A off a 15A [[electrical: |
- | === minimum | + | ==== minimum |
- | Lead chemistries require a minimum charge rate to stay healthy, and AGM more than the other lead variants. In the absence of documentation from your battery mfg I would assume | + | Lead chemistries require a minimum charge rate to stay healthy. |
- | * 78A for a 390Ah bank (0.2 x 390Ah). | + | |
- | * 39A for a 195Ah half bank, so a 40A converter | + | |
+ | * [LiFePO4 has no minimum current spec] | ||
- | === charging time available === | + | ==== charging time available ==== |
If you have solar and will be on shore power for more than one day then a simple converter that charges at the batteries' | If you have solar and will be on shore power for more than one day then a simple converter that charges at the batteries' |