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Off The Grid

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Solar setup best configuration for 2 400 watt solar panels 4000 watt 48 volt inverter , 60 amp MPPT Controler and 2 lead acid batteries.Series or Parallel.
 
Really looking for the best wiring schematic that is most efficient AND safe! Have two 12 Volt acid lead batteries which if I'm not mistaken should run parallel. The two 400 watt panels and want to make sure I have those tied together and am wiring them correctly.
 
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