As you expand you can keep a small 12 volt mini system running to power your minimal 12 volt loads. I keep one at my place for the water pump and vhf radio. Works great with the minimal loads placed on it.
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To the above good advice, I would suggest one more thing. A 120VAC inverter for the fridge
must be 5-10 times the fridge running power, to deliver the motor starting surge. Having this
large inverter constantly on will add a lot of idle current battery loading, which continues even
when the fridge is not running. A quality DC powered fridge running directly from the battery
will eliminate that idle power and inverter conversion loss. Then the other small loads may
be directly battery powered, even a cheap and quite efficient 48 to 12V converter can use
practically no standby power as needed. Perhaps a small inverter could be turned on as
needed to power your fan, an RV model is probably available. good luck, Bruce RoeComment
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