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  1. #61
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by rterblanche View Post
    Is it only the HCDP unit that will charge the primary battery as well from solar when the AUX are fully charged ?

    Modern vehicle that stand a long time and you open and close the door or switch on the alarm the whole time drains
    the battery and I want to install something with which I can keep my primary battery also charged.

    Rudolph
    Ctek also does it.

  2. #62
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by rterblanche View Post
    Is it only the HCDP unit that will charge the primary battery as well from solar when the AUX are fully charged ?

    Modern vehicle that stand a long time and you open and close the door or switch on the alarm the whole time drains
    the battery and I want to install something with which I can keep my primary battery also charged.

    Rudolph
    Hi Rudolph

    Do you know which HCDP units do this?

    Thanks

  3. #63
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by rudyb View Post
    Hi Rudolph

    Do you know which HCDP units do this?

    Thanks
    This one does:
    https://4x4direct.co.za/dc-to-dc-cha...trol-hcdp.html

    There are only a few left with 4x4xDirect - I do not see it on the HcdP site anymore. (Something is not so lekker there with Manie et al )
    Don’t blame yourself over past mistakes. It’s like driving down the N1 while looking in the rear view mirror only.

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  4. #64
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Dungbeetle View Post
    This one does:
    https://4x4direct.co.za/dc-to-dc-cha...trol-hcdp.html

    There are only a few left with 4x4xDirect - I do not see it on the HcdP site anymore. (Something is not so lekker there with Manie et al )
    So my 12A version will not do it.

    I am hoping to replace my battery with a LIFEPO version soon and have therefore need to change my chargers. I was pretty excited at the thought that I could use my HCDP elsewhere.

  5. #65
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    Smile Re: DC-DC Charger Comparison

    Quote Originally Posted by rudyb View Post
    So my 12A version will not do it.

    I am hoping to replace my battery with a LIFEPO version soon and have therefore need to change my chargers. I was pretty excited at the thought that I could use my HCDP elsewhere.

    I will happily take that 12A one off your hands....
    Don’t blame yourself over past mistakes. It’s like driving down the N1 while looking in the rear view mirror only.

    2000 Patrol GU 4.2D(onkey) "old-timer" and wise at 857 000 km
    2014 Patrol GU 3.0CRD "teenager" in puberty at 123 000 km
    2007 Echo3 Trailer "the nest" Braked Axle fitted at +60 000 km
    2012 NP300 YD2.5 D/C 2x4 High Rider "platkar" at 125 000 km

  6. #66
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    Default Re: DC-DC Charger Comparison

    Thanks

    I'll give you a shout as soon as I've placed my order.

    Just busy ironing out a few things.
    Quote Originally Posted by Dungbeetle View Post
    I will happily take that 12A one off your hands....

  7. #67
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by rudyb View Post
    Thanks

    I'll give you a shout as soon as I've placed my order.

    Just busy ironing out a few things.
    WRND works as well, and much cheaper.

  8. #68
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by FredSport View Post
    WRND works as well, and much cheaper.
    It is a good charger, and cheaper, but the feature asked for (charging the main battery in addition to the aux battery) is not available with the WRND.

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  10. #69
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by HeavyG View Post
    It is a good charger, and cheaper, but the feature asked for (charging the main battery in addition to the aux battery) is not available with the WRND.
    Except if you connect it with BH plugs and swop the plugs manually
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  11. #70
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by StephanF View Post
    Except if you connect it with BH plugs and swop the plugs manually
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  12. #71
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by HeavyG View Post
    It is a good charger, and cheaper, but the feature asked for (charging the main battery in addition to the aux battery) is not available with the WRND.
    Do-able. Add Brad Harrison plugs and swap them around. So either charge the main battery from Solar or second battery. See the manual on WRND website.

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  14. #72
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by StephanF View Post
    Except if you connect it with BH plugs and swop the plugs manually
    Quote Originally Posted by FredSport View Post
    Do-able. Add Brad Harrison plugs and swap them around. So either charge the main battery from Solar or second battery. See the manual on WRND website.
    Well yes, obviously. You're completely missing the point of the feature comparison table..... by your reasoning, every DC-DC charger with a solar input can also charge the aux battery. The feature listed in the comparison table refers to the built-in functionality to do this automatically as needed.

  15. #73
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by HeavyG View Post
    Well yes, obviously. You're completely missing the point of the feature comparison table..... by your reasoning, every DC-DC charger with a solar input can also charge the aux battery. The feature listed in the comparison table refers to the built-in functionality to do this automatically as needed.
    Fair enough, and I agree. But inevitably the question will arise wether you want to pay double or even triple the price just for that functionality. And brand name of course, I know....
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  17. #74
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Pieter van Eeden View Post
    Fair enough, and I agree. But inevitably the question will arise wether you want to pay double or even triple the price just for that functionality. And brand name of course, I know....
    True. The feature table could perhaps be clearer as well, and have Automatic/Manual/No as the options for that feature.

  18. #75
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by StephanF View Post
    Except if you connect it with BH plugs and swop the plugs manually
    This is explained in the manual. I bought and installed the unit during the week. I did not make the provision for car battery charging. On limited trials works 100% from the car and 2 x 80W solar. About R2k at 4x4 direct. Apparently there was a bad batch of them last year or so but that issue is solved. If anybody buys check that it is not the old type/old programming.

    Only issue with the installation was the size of my incoming wire from the car. Had to go down to 10 mm first and then down again. And also had to make a plan with crimping. I did not eliminate half of the thick cable on crimping.
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  20. #76
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Pieter van Eeden View Post
    Fair enough, and I agree. But inevitably the question will arise wether you want to pay double or even triple the price just for that functionality. And brand name of course, I know....
    I go for brands. I used to buy the same brand jeans as one of the richest family in the country. RT from Mr. Price. I just buy brands that give value

    I had Ctek in XT120 (installed by previous owner). Currently about 3 times WRND. Will Ctek last 3 times longer or is it 3 times better?
    Jouko
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    2012 Smart
    Never drive a normal car 8)

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  22. #77
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    Default Re: DC-DC Charger Comparison

    Not to derail the thread - but I have a dilemma:

    I have just bought a 2nd hand vehicle and it came with a 10mm cables connecting the crank battery to the load bin for charging a second battery. My previous vehicle I had 16mm cables and connected the batteries directly and all charged well (I just had to remember to disconnect once stationary).

    My second battery is connected to to a Steca Solar charger once in camp.

    I am not comfortable connecting the crank and second battery directly with only 10mm cable and thus have a few choices:

    1 - rip out cables and replace with 16mm lines
    2 - buy a WRND DC to DC charger and install (this gives me a back up solar charger should the STECA go pop)
    3 - install a Victron Orion DC to DC charger (this is a dedicated unit and does not have solar input)

    Any comments / input would be appreciated.

  23. #78
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    Default Re: DC-DC Charger Comparison

    If the 10mm2 cables are in good condition I would rather contribute the cost of 16mm2 cables towards a DC-DC charger. Buying a DC-DC charger now I would definitely select one with a lithium charge profile.
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  24. #79
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Ingetrap View Post
    I am not comfortable connecting the crank and second battery directly with only 10mm cable
    Agreed.
    Quote Originally Posted by Ingetrap View Post
    3 - install a Victron Orion DC to DC charger (this is a dedicated unit and does not have solar input)
    This is what I have, although I also have 16mm cable. I bought the Victron because my 2nd battery is LiFePO4 and because it says Victron on the box.

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  26. #80
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    Default Re: DC-DC Charger Comparison

    Quote Originally Posted by Ingetrap View Post
    Not to derail the thread - but I have a dilemma:

    I have just bought a 2nd hand vehicle and it came with a 10mm cables connecting the crank battery to the load bin for charging a second battery. My previous vehicle I had 16mm cables and connected the batteries directly and all charged well (I just had to remember to disconnect once stationary).

    My second battery is connected to to a Steca Solar charger once in camp.

    I am not comfortable connecting the crank and second battery directly with only 10mm cable and thus have a few choices:

    1 - rip out cables and replace with 16mm lines
    2 - buy a WRND DC to DC charger and install (this gives me a back up solar charger should the STECA go pop)
    3 - install a Victron Orion DC to DC charger (this is a dedicated unit and does not have solar input)

    Any comments / input would be appreciated.
    According to Voltex catalogue you will get approximately 0.5V drop over a 5m length of cable at 20A, that will end up in 1V running both Pos and Neg through 5m long cables. I would also suggest using a DC-DC charger on the far end.

    The 10mm cable is rated at 58A according to Voltex.

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