Our MPPT Solar charge controller Running 1.5Year with 0 fault!

Our MPPT Solar charge controllers 20A12Vdc to 65A 96Vdc  were installed in 2016 early at several Indian Ocean islands around Réunion for stand-alone solar power systems, bearing ocean corrective winds and moisture, But running 1.5Year until now without any fault! 
And half year before, we upgraded them to 3rd generation with outside-fuses/DC-loading/wider input voltage range/max efficiency! 


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