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electrical:12v:drop-in_lifepo4 [2022/11/05 12:11] frater_secessus [myth: you must use DC-DC for alternator charging Li] daisy chain |
electrical:12v:drop-in_lifepo4 [2023/01/07 10:59] frater_secessus [overall lithium benefits] |
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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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==== Why are manufacturer-recommended charging voltages so high? ==== | ==== Why are manufacturer-recommended charging voltages so high? ==== | ||
- | Manufacturers need simple instructions that will still allow the batteries to meet their advertised lifetime and reduce customer support issues. In this scenario higher charging voltages have the following benefits to the seller: | + | Manufacturers need simple instructions that will still allow the batteries to meet their advertised lifetime and reduce customer support issues. In this scenario higher charging voltages have the following benefits |
* allow use of conventional lead-chemistry battery chargers or " | * allow use of conventional lead-chemistry battery chargers or " | ||
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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: |