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electrical:12v:drop-in_lifepo4 [2024/03/20 11:51] frater_secessus [myth: you must use DC-DC for alternator charging Li] link updat |
electrical:12v:drop-in_lifepo4 [2024/05/21 22:08] (current) frater_secessus [myth: you have to charge Li to 100%] |
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* to top-balance cells((to the degree this works)) | * to top-balance cells((to the degree this works)) | ||
+ | ==== myth: lithium batteries draw the full current until they are almost full ==== | ||
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+ | * both lead and li chemistry charge acceptance [[electrical: | ||
+ | * both will charge ~at [[electrical: | ||
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+ | If we observed closely we //would// see some differences: | ||
==== myth: if you don't charge to 14.4v the cells won't balance ==== | ==== myth: if you don't charge to 14.4v the cells won't balance ==== | ||
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>> For belt-and-suspenders you could add a $10 12v temp controller or NO thermal switch in series [with the disabling method]. | >> For belt-and-suspenders you could add a $10 12v temp controller or NO thermal switch in series [with the disabling method]. | ||
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+ | Note that some chargers have built-in low-temp charging cutoff already. | ||
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Some batteries have BMS with bluetooth or other forms of connectivity. | Some batteries have BMS with bluetooth or other forms of connectivity. | ||
+ | Having visibility into the state of the BMS/cells might be useful for tech geeks, but often muddies the waters for non-technical customers. | ||