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On our new Leopard catamaran we have 2 start batteries and a house bank (all agm’s). When on shore power the house bank charges via the multiplus, but not the start batteries, which only apparently charge via the engine alternators. How do I connect the start batteries to the multiplus to facilitate their charging while on shore power?
You can use the auxiliary charger output of the mulit to charge the start batteries. You will need something like the argo-fet switch to connect both batteries to the single charge connection.
