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  • Help with non-standard panel

    Not to hijack but I cant seem to start a new topic. I'm in a similar boat though. I got 4 240w Vmp 47.6 Imp 5.04v Voc 58.9v and 4 12v 150ah batteries. I am not sure what the actual voltage of the panels are I thought 48 but I am thinking 24 now. I would prefer 24 then I can setup the batteries as 24v @ 300ah system. Thanks and again sorry about the hijack

  • #2
    You can start your own thread / Topic , by going to the proper forum level for your question
    ( try here - https://www.solarpaneltalk.com/forum and then look for off grid, grid tie, battery ... whatever
    Top left corner of the forum is a NEW TOPIC button Press it.

    NewTopic.jpg

    Powerfab top of pole PV mount (2) | Listeroid 6/1 w/st5 gen head | XW6048 inverter/chgr | Iota 48V/15A charger | Morningstar 60A MPPT | 48V, 800A NiFe Battery (in series)| 15, Evergreen 205w "12V" PV array on pole | Midnight ePanel | Grundfos 10 SO5-9 with 3 wire Franklin Electric motor (1/2hp 240V 1ph ) on a timer for 3 hr noontime run - Runs off PV ||
    || Midnight Classic 200 | 10, Evergreen 200w in a 160VOC array ||
    || VEC1093 12V Charger | Maha C401 aa/aaa Charger | SureSine | Sunsaver MPPT 15A

    solar: http://tinyurl.com/LMR-Solar
    gen: http://tinyurl.com/LMR-Lister

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    • #3
      Originally posted by Mattowens View Post
      Not to hijack but I cant seem to start a new topic. I'm in a similar boat though. I got 4 240w Vmp 47.6 Imp 5.04v Voc 58.9v and 4 12v 150ah batteries. I am not sure what the actual voltage of the panels are I thought 48 but I am thinking 24 now. I would prefer 24 then I can setup the batteries as 24v @ 300ah system. Thanks and again sorry about the hijack
      It looks like you have something like Canadian Solar's CS5P-240P. That isn't considered a "battery panel", sized to support a particular voltage... it would be something like a "33 V panel" if you went by battery sizing.... safe to use on a 24 V system, but too small for 48 V unless oyu had two in series.

      In practice, to get the most out of that panel you'll need an mppt controller. If you use a PWM controller with that on a 24 V system, it would effectively turn your 240 W panel into a 120 W panel.

      (I moved this post to its own topic).
      Last edited by sensij; 01-05-2018, 08:58 PM.
      CS6P-260P/SE3000 - http://tiny.cc/ed5ozx

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      • #4
        Originally posted by Mike90250 View Post
        You can start your own thread / Topic , by going to the proper forum level for your question
        ( try here - https://www.solarpaneltalk.com/forum and then look for off grid, grid tie, battery ... whatever
        Top left corner of the forum is a NEW TOPIC button Press it.

        NewTopic.jpg
        Appreciate you moving this. I can't find that button. Not sure why, I looked all over.

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        • #5
          Originally posted by sensij View Post

          It looks like you have something like Canadian Solar's CS5P-240P. That isn't considered a "battery panel", sized to support a particular voltage... it would be something like a "33 V panel" if you went by battery sizing.... safe to use on a 24 V system, but too small for 48 V unless oyu had two in series.

          In practice, to get the most out of that panel you'll need an mppt controller. If you use a PWM controller with that on a 24 V system, it would effectively turn your 240 W panel into a 120 W panel.
          So it was most likely designed for a grid tied system initially? I will set the batteries up as 24v @ 300ah and get a mppt. Thanks so much I was struggling to find the right things to use this at my camp.

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