DC-DC Charger Comparison - Page 2





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  1. #21
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    Default Re: DC-DC Charger Comparison

    Here is another Dc to Dc charger 13.8v output 30 Amp for just over R 1000 no solar input.

    http://www.mantech.co.za/ProductInfo.aspx?Item=372M0316

  2. #22
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Geiler Keiler View Post
    Here is another Dc to Dc charger 13.8v output 30 Amp for just over R 1000 no solar input.

    http://www.mantech.co.za/ProductInfo.aspx?Item=372M0316
    That seems to be a regulator, not a charger.

  3. #23
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    Default Re: DC-DC Charger Comparison

    I am interested in the WRND unit. Will it work with the 2017Ford Ranger considering the altenator setup?

  4. #24
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    Default Re: DC-DC Charger Comparison

    Personally I would rather buy the National Luna system.
    Greater charge rate
    Display what system is doing
    Lithium ready

    However it is double the price...

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  6. #25
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by HomeBrewer View Post
    Has anyone got experience with the WRND's and lead Chrystal batteries....
    Yip, have a 150AH LC battery connected to the WRND, with a 150W solar panel flat mounted on my Hilux’s canopy.

    It really performs well. I was camping the whole of last week without using 220V running a 90L NL Twin, both compartments set a 1 degrees. My NL battery monitor had 4 yellow lights lit every morning when I checked, and I only went for a short drive one day.

    What really impressed me was the MPPT solar regulator charging with two green lights lit whilst fully overcast.

    I have a second WRND and will replace the NL solenoid charge system in the FJ next week.
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  8. #26
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Bergbok1 View Post
    I am interested in the WRND unit. Will it work with the 2017Ford Ranger considering the altenator setup?
    Just for interest sake, I have a 2017 Ranger XLT 4x4, read a lot about DC -DC chargers and the smart alternator issues especially with a CTEK. I have a CTEK D250S dual so was not keen on investing in another charger that is smart alternator friendly like the CTEK D250SA. Well the D250S works perfectly in the Ranger despite the "smart alternator", charges 2x 100ah LC batteries, so I am hugely relieved and very happy.

  9. #27
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    Default Re: DC-DC Charger Comparison

    In the table you have the CTEK DC250SA as having a max 150w input on the solar side - I could not find it in the manual and many of the older Forum posts mentioned up to 300w.

    I'm interested because I have a CTEK and recently installed it in a new trailer and while testing it with single 120w Panel it all worked fine. But with 2 x 120 in parallel (240w) solar input It would slowly ramp up to just over 10A and then the whole unit would reset, all lights go off and it starts tracking the power point again.

    I initially thought that it iss broken but perhaps its just over its allowed input ?

  10. #28
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    Default Re: DC-DC Charger Comparison

    Sorry to hijack the Thread but it`s relevant to the thread

    I have the WRND system connected to a battery-box on the back of my bakkie powering a fridge.
    My question to the fundi`s

    I have a caravan with it`s own charge system
    Where do i take the power from feeding the caravan when in tow

    Can i plug it in as a consumer on the secondary(Aux) battery charged by the WRND system?

    Franna
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  11. #29
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Franna 4x4 View Post
    Sorry to hijack the Thread but it`s relevant to the thread

    I have the WRND system connected to a battery-box on the back of my bakkie powering a fridge.
    My question to the fundi`s

    I have a caravan with it`s own charge system
    Where do i take the power from feeding the caravan when in tow

    Can i plug it in as a consumer on the secondary(Aux) battery charged by the WRND system?

    You can, but it is not ideal.
    It would be better to have the feed directly from the vehicle's starter battery/alternator.

    What charge system does the caravan have?
    Eggie.

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  13. #30
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Eggie View Post
    You can, but it is not ideal.
    It would be better to have the feed directly from the vehicle's starter battery/alternator.

    What charge system does the caravan have?
    Caravan Has a HCDP system

    Franna
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  14. #31
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Franna 4x4 View Post
    Caravan Has a HCDP system
    Then you must definitely feed it from the main battery/alternator.
    Eggie.

    What this country needs more and more, are more unemployed politicians.
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  16. #32
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Eggie View Post
    Then you must definitely feed it from the main battery/alternator.
    Thank you Eggie

    Franna
    Swambo= Porsche Boxster
    Myself= Triton 3.2 Auto.... Cirrus Inter-cooler,63 mm Powerflo Exhaust and Unichip installed/Tuned by KSD
    Imagine Trailvan 4x4 caravan.

  17. #33
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by pfgrobler View Post
    In the table you have the CTEK DC250SA as having a max 150w input on the solar side - I could not find it in the manual and many of the older Forum posts mentioned up to 300w.

    I'm interested because I have a CTEK and recently installed it in a new trailer and while testing it with single 120w Panel it all worked fine. But with 2 x 120 in parallel (240w) solar input It would slowly ramp up to just over 10A and then the whole unit would reset, all lights go off and it starts tracking the power point again.

    I initially thought that it iss broken but perhaps its just over its allowed input ?
    Not sure where I got the 150watts from, that post was some time ago. Had a look at the manual now and it says recommended solar panel at 50-300 watts, so I recon your two 120 watt panels should work (in parallel), maybe get the unit checked out?

  18. #34
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    Default Re: DC-DC Charger Comparison

    I’m just posting here to bump this tread into 2020...

  19. #35
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    Default Re: DC-DC Charger Comparison

    Almost two years later, I guess the options and pricing have changed dramatically?
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  20. #36
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    Default Re: DC-DC Charger Comparison

    Yeah I think prices have gone up, not sure if there are many more options available.

    Some feedback on my National Luna unit that I have been running. It works a treat so far and no issues. Still love the fact that I have local support, I had a query and managed to speak to technical people at National Luna, great to get solid answers. I still think the unit doesn't charge from solar as good as the dedicated Victron Solar charger I had but otherwise no issues.

  21. #37
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    Default Re: DC-DC Charger Comparison


  22. #38
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    Default Re: DC-DC Charger Comparison

    You still have no Pv input on the Victron Orion

    The nice about the HcdP so called 20A (It's actually more......read spec carefully) is that even if you strap it to your bull-bar it will be happy and simply keep on working.

    https://www.hcdpelectronics.co.za/in...&product_id=68

    and it's is priced a bit lower than those it really competes with - CTEK, NL and Redarc etc.
    Last edited by Dungbeetle; 2020/02/10 at 09:30 AM.
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  23. #39
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Dungbeetle View Post
    You still have no Pv input on the Victron Orion
    The thread topic is DC-DC, which the Orion is exactly.

  24. #40
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by MrTolbos View Post
    The thread topic is DC-DC, which the Orion is exactly.
    OK, but:

    At least 25 of the 40odd posts in this thread mentions (or the comments are linked to) DC-DC that has solar input
    Last edited by Dungbeetle; 2020/02/10 at 09:42 AM.
    2000 Patrol GU 4.2D(onkey) old and wise at 844 000 km
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