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electrical:12v:eternal_absorption [2020/07/08 12:08] frater_secessus [insufficient Absorption] |
electrical:12v:eternal_absorption [2020/10/11 19:48] 127.0.0.1 external edit |
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- | Note: this is for deep cycle lead chemistries only.! Lithium | + | Note: this is for deep cycle lead chemistries only! Lithium |
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+ | [[lifestyle: | ||
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+ | > "As long as... you cycle the battery daily, you could set float voltage to [Vabs] too without worry. Only when you stop cycling the battery do you need to return float voltage to more regular 13.2v levels." | ||
====== dealing with insufficient Absorption ====== | ====== dealing with insufficient Absorption ====== | ||
- | In off-grid solar charging scenarios batteries are most often damaged by [[electrical: | + | In off-grid solar charging scenarios batteries are most often damaged by [[electrical: |
Causes of insufficient Absorption: | Causes of insufficient Absorption: | ||
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* solar conditions - not enough good sun long enough to finish Absorption | * solar conditions - not enough good sun long enough to finish Absorption | ||
- | ===== set Vfloat to Vabs ===== | + | ===== workarounds |
+ | See: [[electrical: | ||
- | The Eternal Absorption approach completely forgoes Float stage, forcing the controller to stay in Absorption by setting Vfloat to Vabs. This addresses the controller issues above. | + | If those approaches are insufficient, |
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===== gotchas ===== | ===== gotchas ===== | ||
- | * increased Vabs duration | + | * increased Vabs duration |
+ | * calcium-enhanced batteries (typically starter batteries and some hybrid " | ||