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Thread: Fold up panel

  1. #21
    Join Date
    Dec 2013
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    Default Re: Fold up panel

    Quote Originally Posted by EHoffmann View Post
    Just as well is relative

    It will work just as well as a 105 Mojave would have. You cant expect a 105 to perform as a 120

    Unless the 105w is the 120w on truth serum ....

    I know it is not fair to knock the company, i truly believe they aiming for a good brand and a quality product and I am very happy with Flexopower. So I am not taking a shot at them,,,,

    But, the cynic in me always has to chuckle - every time someone independant reviews any solar panel they never get close to the advertised wattage regardless of make, model, or how they angle it.

    And there is always the disclaimer, "theoretical maximum, under ideal conditions"
    (Note : ideal conditions is being attached to the sunnyside of the hubble space telescope as its orbit approaches the sun.)
    Pajero Sport 2013 3.2 A/T

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  3. #22
    Join Date
    Sep 2006
    Location
    Randburg
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    Default Re: Fold up panel

    Perhaps also have a look at here.


    http://www.ecoficiency.co.za/content/catalogue_romagear


    I bought the 150w setup last year. Fitted my size requirements for dimension and output. Only used it for two days though so limited feedback. I bought a stecca 15amp charge controller with digital display separately as he did not have any controllers in stock at he time of order, and I needed it on 3 day turnaround. (his supplied controller was discounted off the purchase price). I opted for 10m cable length between panels and controller.

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  5. #23
    Join Date
    Dec 2013
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    Pietermaritzburg
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    Default Re: Fold up panel

    We just came back from the Kruger after 9 days trip
    I have to concede the weather makes a BIG difference.

    Our prevous trip was sunny but cool. In that environment the panels work pretty well. There is enough sun and the fridge is not working too hard.

    This trip very different. Overcast cloud every day yet temperatures ranged 30 to 38 degrees. Poor old Engel was galloping at full pace to keep the beer cold. Parked at Olifants for lunch and got back to a 55 degree car

    Problem is there is a serious drop-off in power when cloud cover is 100% I was often hovering near my battery cut-off voltage.


    Today was a good day to test what was actually happening
    We got home and I had to clean and pack away but the sky was 100% cloud so i managed to test the panel output it should be similar to what I was getting in Kruger.

    Under full cloud, I was only getting 12.8 volts and 4.68 amps.

    That works out to about 59 Watts - half of of the rated 120 watts.

    I will have to wait for a perfect sunny day to measure the top performance.
    Pajero Sport 2013 3.2 A/T

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  7. #24
    Join Date
    Oct 2013
    Location
    Centurion
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    Default Re: Fold up panel

    My 2c would be that 59W is still very good under full cloud. I found my yield 5 and 6 days ago as low as 25% of my normal yield due to clouds/rain but also due to the fridges needing less power after the very hot days we had before Xmas. Also got 3 all time high outputs from the panel on the cloudy days just as the sun broke through clouds.

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