@FormerMechanic15 worth knowing that with lithium the main practical headache is getting both controllers to stop charging at the same voltage threshold.
Great thread. Just to build on what @WillRoss is getting at — the internal resistance increase in the cold is worth paying attention to because it can make your BMS trip on voltage sag under load...
@VanHolly great setup — I ran something similar on a 60ft trad stern for a couple of years. One thing worth mentioning that I don't see covered above: think carefully about your battery state when...
Good shout from @BurnBen on the parasitic draw — worth doing a proper overnight clamp meter test on your negative terminal before you start pulling fuses randomly.
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