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electrical:12v:drop-in_lifepo4 [2022/11/06 10:52] frater_secessus [Why are manufacturer-recommended charging voltages so high?] |
electrical:12v:drop-in_lifepo4 [2023/01/11 21:27] frater_secessus [myth: you must use DC-DC for alternator charging Li] |
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* Li batteries are not vulnerable to [[electrical: | * Li batteries are not vulnerable to [[electrical: | ||
* flat voltage curve - stable voltage over much of its state of charge | * flat voltage curve - stable voltage over much of its state of charge | ||
- | * very little | + | * very little reduction of capacity at higher discharge rates compared to lead((there is a non-Peukert mechanism that starts to attenuate apparent capacity at very high C rates)) |
* much less voltage sag under heavy loads | * much less voltage sag under heavy loads | ||
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- decide whether the charger can charge to mfg specs | - decide whether the charger can charge to mfg specs | ||
- | Armed with a full understanding, | + | Armed with a full understanding, |
* **Absorption voltage** (Vabs) - whatever charging voltage your battery manufacturer recommends.((see the section on longevity in this article)) | * **Absorption voltage** (Vabs) - whatever charging voltage your battery manufacturer recommends.((see the section on longevity in this article)) | ||
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see [[electrical: | see [[electrical: | ||
- | === but that Victron video! === | + | === but that Victron video === |
- | Why would a manufacturer of pricey [[electrical: | + | Why would a manufacturer of pricey [[electrical: |
The setup: | The setup: |