Can you mix lithium and lead-acid batteries on an energy storage
Gordon Gunn, electrical engineer at Freedom Solar Power in Texas, said it is likely possible to connect lead-acid and lithium batteries together, but only through AC coupling.
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We are often asked if there is a way to keep a lead acid start battery and install LiFePO4 batteries for the house and charge them from the same
Mixing lead acid and lithium
There''s some issues to resolve, like making sure the LA gets full charge and at same time it is not too much for LiFePO4 cells, and also that the FLOAT voltage is ok for both types.
I have two seperate battery sets (Lead acids / Li ion ) and
If you have to use a single array as an input, I would use one battery as the ''main'' and feed the second with a dc-dc charger. Ideally the lithium would last longest as the main, since you can''t let lead-acids
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SRNE SR-MES60-W 12V 10A IP67 MPPT Solar Charge Controller
Battery type: Lead-acid/Lithium/LiFePO4 Battery Charge mode: MPPT Charging Rated charge current: 10A Battery Voltage: 12V Max PV Input Power: 160W Size: 114*88.3*24.5mm MPPT efficiency: 99.9%
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