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mbhamjee

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  1. Hi Yeah, my inverter is 24v. Ok, so at 24v I would need a controller of: 9panels x 100watts = 900watts/24v = 37.5 , so a controller 50amp or more? Is there anything else I need to look at on the controller? Read something about total voltage capacity from panels need to be catered for. MPPT or PWM? a 60amp MPPT is a lot pricier than ea 60amp PWM
  2. Hi all really need help with the following: the guy that sold me my system 2 years ago has gone awol and I need to replace the controller he installed. I need help working out the best controller to buy. My system is as follows: 9 x 100 watt mono crystalline panels 5 x 24v battery bank 3 kw inverter I had a 40amp PWM controller which started over charging and burning until I disconnected it. I think that I should get 2 more batteries and make the bank 48v and then get a 30 amp MPPT controller or leave the batteries as is and get a 60 amp MPPT controller. Would appreciate the pros and cons of these. I'm not an electrician. Can you recommend any decent fellow that can do installations as well.
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