Help, mains charging ...

Discussion in 'Solar Power' started by St.Cyr, Nov 1, 2009.

  1. St.Cyr

    St.Cyr

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    Hi. We have an 80w solar-panel charging 2 leisure batteries. (Starter batteries NOT connected to solar-panel) - If we wanted to charge-up the batteries with a mains charger, at home, would we have to disconnect the panel while using the mains charger? Thanks for any advice! :thumb:
     
  2. vindiboy

    vindiboy Funster

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    No, your van should be wired so that when you are on hook up [ mains connection ] your batteries [ALL] should be charged from your on board battery charger and when fully charged the charger will be turned off automatically and solar panel should have a regulator to stop any more charge reaching batteries until required.:thumb::thumb: on some vans ,and my ex Eura Mobil was one ,you could switch the battery charger manually,but on my present Hymer all is automatic.:thumb::thumb:
     
  3. pappajohn

    pappajohn Funster Life Member

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    No, you can charge your batteries from any source, simultaniously.:thumb:

     
  4. St.Cyr

    St.Cyr

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    Thanks!! :thumb:
     
  5. The Wallace

    The Wallace

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    St.Cyr, you don't say whether your conversion is wired as per a modern motorhome (when the above advice applies) or if you intend just connecting a free standing charger to your battery.
    Depending on the make/wiring of your solar panels there could be issues with the latter method.
    If in doubt consult your solar panel instructions.
     
  6. St.Cyr

    St.Cyr

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    Hi. As far as I can see the solar-panel just charges the 2 leisure batteries. It has not been altered at all since we acquired the van ... Was just wanting to check that I wouldn't damage the solar gubbins by charging with a normal mains charger - thought may be best to disconnect the solar panel while using the charger ... Not having done the conversion ourselves it's taking a while to suss out the electrics!

    Thanks for all the help so far!! :thumb:
     
  7. pappajohn

    pappajohn Funster Life Member

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    my 120w panel is connected to the mains charger output (12v) wires and i dont disconnect the panel when on hookup.

    cant see any difference between a standalone charger and the onboard mains charger as the solar panel will have a blocking diode (possibly 2) to stop any current returning to the panel.
     
  8. St.Cyr

    St.Cyr

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    Thanks very much for the help! Just wanted to charge up the leisure batteries with a mains charger - to help out the solar-panel while the days are short and dull, without blowing anything up! Obviously we could disconnect the s/p while using the stand alone charger - presumably when it's reconnected it'll just resume working as normal ... ?

    :Smile:
     
  9. johnsandywhite

    johnsandywhite

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    :Cool: NO. I have been doing just that for the last 2 days bringing my batteries back up to full charge so I can then equalize them with the Solar Controller. :thumb:
     
  10. St.Cyr

    St.Cyr

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    Thanks, that's reassuring. :thumb:
     

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