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Thread: PWM or MPPT.

  1. #11
    Legendary GQtdauto's Avatar
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    I paid $350 for a 100 watt folding solar panel maybe five years ago , they are getting cheaper .
    http://www.ebay.com.au/itm/like/1724...D1197271092261

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    jay see (9th April 2017)

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  4. #12
    Legendary jay see's Avatar
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    So far this is the cheapest and local too.

    Look at this on eBay http://www.ebay.com.au/itm/232165689627

    Thoughts.
    12/97 GEE YOU
    4.5lt Gas blower. Lots of mods to come.....all in good time.

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    Winnie (9th April 2017)

  6. #13
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    Hey John. have a look at http://www.lowenergydevelopments.com.au/ .
    They also have a brick 'n mortar shop in Preston. I got my panels from here and they have a good range, cables and all the accessories.
    They also have an eBay shop.

    http://stores.ebay.com.au/Low-Energy-Developments

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    jay see (9th April 2017)

  8. #14
    Legendary jay see's Avatar
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    Thanks Eric.

    I like the idea of going into a store, but their 200 watt kit is over $400 and like the others made in China.

    http://www.ebay.com.au/itm/New-Foldi...-/322184294269

    Think I'll see if I can go in and have a chat to someone about the one that I posted.
    12/97 GEE YOU
    4.5lt Gas blower. Lots of mods to come.....all in good time.

  9. #15
    ......... MB's Avatar
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    Kind of wish I had of gone to a speciality shop Jaysee mate. Bought a 120W folding Waeco job from BCF and the reg spazzed out on 3rd use. Took it back and was handballed off to a distributor bloke who is great but he's having all sorts of issues with head office Waeco tech department. Has been months now, still not back, all he wanted was a new reg to bolt on and give it straight back to me. Thankfully I haven't been in a hurry or desperate need for it back!

  10. #16
    Patrol God bigguwesty's Avatar
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    Correct me if I'm wrong @Cuppa but basically the PWM charges are in short regulating on off switches.
    They switch on at a set voltage and off at a set voltage.
    Not sure if top end PWM chargers can supply a float voltage but my cheaper one doesn't. .

    As for pannels, try find them without controllers.
    They are usually cheaper..
    Cheers
    Kallen Westbrook

  11. #17
    Legendary GQtdauto's Avatar
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    The panel you picked out Jaysee is about as good if not better than most of the cheapies, hard to say what tier it's made to but looks like it might be from one of the better manufactures .
    Ideal is tier 1 , each product is tested during and after assembly and comes with a sheet of paper giving its individual stats not just the sticker on the back that gives the average of the product .
    Which in this case if it's done to the certification it could well be tier 1 .
    Any panel you buy check the leads and connections out , I put silastic on the wires coming and going from the reg to stop movement of the cables which did fray at the reg every time I opened or closed or moved the panel .
    I would buy it if I wanted one put it that way .

  12. #18
    Legendary GQtdauto's Avatar
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    Quote Originally Posted by bigguwesty View Post
    Correct me if I'm wrong @Cuppa but basically the PWM charges are in short regulating on off switches.
    They switch on at a set voltage and off at a set voltage.
    Not sure if top end PWM chargers can supply a float voltage but my cheaper one doesn't. .

    As for pannels, try find them without controllers.

    They are usually cheaper..
    Pretty much spot on , yes the better quality PWM do have a float , one of mine does the other gives so much at 14.6 or whatever it can then after a predetermined amount of time switches to 13.1-13.3 but even the cheap one is adjustable , if only I could read Chinese Engrish.

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    bigguwesty (9th April 2017)

  14. #19
    Patrol God bigguwesty's Avatar
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    Quote Originally Posted by GQtdauto View Post
    Pretty much spot on , yes the better quality PWM do have a float , one of mine does the other gives so much at 14.6 or whatever it can then after a predetermined amount of time switches to 13.1-13.3 but even the cheap one is adjustable , if only I could read Chinese Engrish.
    Yes my cheapie is completely changeable so I can adjust it to suit different chemistry batteries.
    I have also upped the output cut off so the battery doesn't drain as far.
    From factory it was 10.1v.
    I've upped it to 11v.

    Sent from my SM-G800Y using Tapatalk
    Cheers
    Kallen Westbrook

  15. #20
    Legendary GQtdauto's Avatar
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    Mine don't drain power at night , if they do it must be tiny amount .

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