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A Newbee question

Discussion in 'Photovoltaics' started by [email protected], Aug 30, 2003.

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  1. Guest

    Hi Guys & Gals;

    This is another Newbee question, now, first try to remember that
    "there are no stupid questions", and I hope that that will still be
    true after this post (Ha Ha).

    I have 3, 15 watt 1 Amp pannels (I have to build my system slowly). I
    have a 7 amp charge controller and I was wondering, can I use 2
    controllers on the same battery/batteries (after I get a few more 15
    watt pannels), or will I have to buy one larger one. This wouldn't
    bother me exept that I am quite poor and having a controller sitting
    on the shelf doing nothing bothers me.

    When I need another controller should I move up to a 21 amp
    controller, or put out more on a huge one (for my few pannels) so I
    wont end up with a collection of idle controllers.

    Any help and opinions would be greatly appreceated

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