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opinion:frater_secessus:lifepo4_charging_voltage [2023/06/28 23:32] frater_secessus [the full process] |
opinion:frater_secessus:lifepo4_charging_voltage [2023/08/09 13:56] frater_secessus [TLDR] |
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DRAFT | DRAFT | ||
- | ====== Problems caused by excessive | + | ====== Problems caused by lithium charging profiles ====== |
+ | |||
+ | You'd think that a " | ||
+ | ===== excessive charging voltage ===== | ||
[[https:// | [[https:// | ||
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- | ===== TLDR ===== | + | ==== TLDR ==== |
- | If this is the problem then reducing the charging voltage will cause the symptoms to improve or disappear. | + | If excessive charging voltage |
[[opinion: | [[opinion: | ||
- | ===== the full process | + | |
+ | ==== the full process ==== | ||
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- if it starts acting up again drop charging voltage back down a notch or two | - if it starts acting up again drop charging voltage back down a notch or two | ||
- | ==== why lower-voltage charging works ==== | + | === why lower-voltage charging works === |
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* 13.4v will // | * 13.4v will // | ||
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- | + | ==== why the problem occurs ==== | |
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- | ===== why the problem occurs | + | |
{{ https:// | {{ https:// | ||
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- | ===== further reading | + | ==== further reading ==== |
* [[electrical: | * [[electrical: | ||
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+ | ===== lack of pseudo-float ===== | ||
+ | |||
+ | So your charge controller isn't charging even though battery state of charge is dropping? | ||
+ | |||
+ | This can be intentional behavior, caused by a Li profile that | ||
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+ | - charges to a high voltage (see above) | ||
+ | - then allows the battery to discharge until it hits the [[electrical: | ||
+ | - at which point it charges to the high voltage again... | ||
+ | - rinse and repeat until the sun goes down | ||
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+ | During the discharge stage the controller will appear to stop working. | ||
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+ | To avoid this problem. configure a " | ||