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Thread: Jump Starter Packs

  1. #61
    I am he, fear me the evil twin's Avatar
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    Quote Originally Posted by MB View Post
    Mmmmmmm, checked it just now again and still reading 12.28 although strangely enough its on 80% now according to the lights. Plugged it in for another charge as ET suggested and started reading 12.35 instantly. Will see what it reads later. Does appear to be discharging itself :-(
    Yeah, let it sit on charge for a while.

    Lithiums are a very different beast to Lead Acid.
    For one thing they can't charge 'low' cells like a Lead Acid will IE once any Cell in series gets to max charge the charging flow virtually stops.
    For that reason they have to have balancing circuits for the Cells.
    Thats why some batteries of similar rating are more expensive and many manufacturers are selling versions they call "smart" as they have the circuits internal to the Battery.

    Anyhooow... let the sucker sit there on charge for a while and see what you get.
    Dolphins are so smart that within a few weeks of captivity, they can train people to stand on the very edge of the pool and throw them fish.

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    MB (5th November 2017)

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  4. #62
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    Cheers ET mate,
    Dropped back into Repco a few weeks ago to discuss and they were to contact their supplier for standard specs info requested etc... No call back as yet but home tests kindly suggested above are over time showing issues I believe:

    After 48hr charge:
    (12hr later residual drop off test check)

    Following pics are as evenly taken as possible over the last few weeks:

    I do now believe it’s warranted evidence for a store credit on oil, filters or the like.
    Time to invest in your recommendation from the beginning on other helpful threads :-)




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    the evil twin (18th November 2017)

  6. #63
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    Final test:
    Just used it for the last 30 minutes from 12.27V to put 50% charge needed back on my iphone :-(



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  7. #64
    Expert Yeti's Beast's Avatar
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    Lithium batteries should have higher volts than that
    We have a 200 ah Lithium at Work and it still has 13.2 volts after 12 months on the shelf


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    MB (17th November 2017)

  9. #65
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    Quote Originally Posted by MB View Post
    Cheers ET mate,
    Dropped back into Repco a few weeks ago to discuss and they were to contact their supplier for standard specs info requested etc... No call back as yet but home tests kindly suggested above are over time showing issues I believe:

    I do now believe it’s warranted evidence for a store credit on oil, filters or the like.
    Time to invest in your recommendation from the beginning on other helpful threads :-)




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    FYI MB here's mine. 4 months since last charge down to 3 bars on power bar, still ample volts.

    DSC_0150.JPG

    What is the charge? Eating a meal? A succulent Chinese meal??

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    MB (18th November 2017)

  11. #66
    ......... MB's Avatar
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    FWIW, Local Repco has never called me back about querying their Powerall supplier. Unit was fully charged up again (5 LED indicators) and left to sit without usage for say 7 weeks. Here later it reads truly +11.96V (4 LED indicators)
    Have just finally purchased one of ET’s kindly recommended ‘Powertech LifePo4’ models off Ebay. Did end up choosing the slightly larger 600A jobbie as I only need it for local work unlike ET I believe can sometimes need to air travel for projects with his 450A ripper still !


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  12. #67
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    I checked my 800a unit last night after having it left uncharged from the AB Donk Party and it was sitting at 14.21V - have to be happy with that. I also have used it twice to jump start a V8 petrol engine and did it with ease - not charged afterwards either. Great unit the Wuldmar. I did have a small 'brick' style booster, about 50mm cube, ran off a 30V cell, but it was a gimmick - difficult to check charge or work out its state of charge and didn't have the grunt it claimed either.

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    MB (4th January 2018)

  14. #68
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    Repco have been great, full refund given on the failing ‘Powerall’ with depleting volt pictures from here shown. I’m sure it was just an unfortunate failure but nonetheless ET’s kindly suggested version has arrived. A much bigger unit, says 100% outa the box, just gotta learn how to fire it up now, Cheers ET again!


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  15. #69
    I am he, fear me the evil twin's Avatar
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    Quote Originally Posted by MB View Post
    A much bigger unit, says 100% outa the box, just gotta learn how to fire it up now, Cheers ET again!
    Get AB to hold the wires, then just start pressing buttons, loudest screams is the Jump Start setting
    Dolphins are so smart that within a few weeks of captivity, they can train people to stand on the very edge of the pool and throw them fish.

  16. The Following 3 Users Say Thank You to the evil twin For This Useful Post:

    Clunk (21st January 2018), MB (21st January 2018), MudRunnerTD (31st August 2018)

  17. #70
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    Donks & their batteries around the block have been thankfully faithful of late. Super happy with the kindly recommended ‘Powertech LifePo4’ thank you again ET good bloke!!
    Ripper thing from new has sat stagnant at the ready, still 100% its brain says, Cheers again :-) !!!!!!!!



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