RE: Battery Charging Sorry to be late to the thread, just back from a week being parked and living on my solar panels. To Neils question: Huh? Why? One aux battery, one starting battery. Aux could be two or a bunch, wired in parallel for desired capacity. Hard wire solar charger (and or 110v charger) to aux batteries/battery. Plug in solar when you can, plug into 110v ac shore power if available. Have a separator or isolator between aux and starting battery so both charge from alternator when engine is running. Trying to monitor/switch between seperated aux batteries just complicates things. Maybe in marine or aviation applications where critical systems have to stay alive there is a place for multiple aux systems but for camping in our rigs? BTW, my two 50 watt panels kept ice in the Norcold and even ran the laptop all day when it was heavy clouds and rain last week. When the Sun came back out my aux was up to the float voltage of 13.3 v by noon each day. I think the new MPPT controller is making the setup even better. |
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