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Solar Panel Car Battery chargers - any good?

Discussion in 'Problems, Fixes, Tips...' started by weijing3333, Jul 22, 2015.

  1. weijing3333

    weijing3333 Copenworld Newbie

    Joined:
    Jul 22, 2015
    Car(s):
    forza
    My wife's car is often not used for a couple of weeks and even though the battery is fairly new, its sometimes not able to start the car because of lack of volts. This situation is not helped by the fact that she only drives short distances.If I remember, I take the car out for a run to charge it up.
    I've seen solar powered car battery chargers which trickle charge the battery via the cigarette lighter. Does anyone use such a charger ? and what are the best ones - 1 w / 1.5w / 2w or what ?
     
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  2. dunf

    dunf Copenworld Regular

    Joined:
    Oct 21, 2013
    Location:
    Fife, Scotland
    Car(s):
    copen
    We had one on our mini. It wasn't great. I remember reading somewhere (maybe here?) someone calculated the size of panel required to adequately charge a battery was like 2m x 1m or something.
     
  3. Ken

    Ken Copenworld Member

    Joined:
    Sep 28, 2009
    Hi,

    Bought one for my Wife's Copen, didn't make any difference!

    Ken.:D
     
  4. princess

    princess Copenworld Regular

    Joined:
    Feb 16, 2011
    Location:
    notts
    Car(s):
    just got our second copen 04 reg. we also have a brand new vw bettle!!!!
    Hi all
    I bought one for the wife's car, made no difference.

    If the cars not being used for a couple of weeks, best thing to do is to disconnect the battery!
     
  5. Number6

    Number6 Copenworld Veteran

    Joined:
    Apr 25, 2013
    Location:
    Dublin
    Car(s):
    2005 0.7L Copen
    I got an AA Solar charger off of Amazon, and found it to be very good. My review is on

    The AA charger plugs into the OBD-II port (to the left of the drivers steering wheel, in the footwell area) as it means I don't need to run any cables through the engine bay. I have mine left on the dash, where it happily keeps the battery topped off, even with the usual cloudy Irish weather.

    I left the car for 3 weeks without running her, as I was out of the country on business, and she turned over perfectly - before I got the charger, she'd struggle to turn over as the battery would be kinda flat if I left it that long.
     
  6. weijing3333

    weijing3333 Copenworld Newbie

    Joined:
    Jul 22, 2015
    Car(s):
    forza
    Thank you for answering my questions about solar panels.
     
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