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Can I add a solar 12 v. charger to optima battery?

Discussion in 'Gen II Prius Technical Discussion' started by Cheffaz, Jan 21, 2012.

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  1. Cheffaz

    Cheffaz Junior Member

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    Location:
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    Your Vehicle Year:
    2009 Prius
    Model:
    Five
    By hooking it directly to the battery, putting the solar panel in the sun to keep it fully charged? It's 1.5 watts. 12 volts. It has a built in over charge protection. Any help?
  2. David Beale

    David Beale Senior Member

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    Make sure you have a fuse in series right at the connection to the battery. Yes it will be fine. It won't recharge a discharged battery but it may help to maintain the battery at a useful charge level.
  3. Red09

    Red09 Junior Member

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    Your Vehicle Year:
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    Model:
    II
    Was just using one on my dying OEM battery to keep it charged while I was at work. It seemed to work fine except for the lack of sun this time of year.
  4. cnschult

    cnschult Active Member

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    I think the solar charger might help a dying battery make it through the sunny summer, but if you're having battery problems in the fall or winter I'd replace it because getting stranded in freezing weather is a thousand times worse than getting stranded in the summer.
    and ditto about not having any sun this time of year. I wish someone would make some solar fans to fit into those useless tiny triangle windows up front. because summer is plenty hot and plenty of sun so it would make more sense to run some sort of summer accessory on solar power.
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