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  1. #21
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Paul...
    I would get a Batt monitor, this last trip on week two we weren't getting the same charge rate from our panels, and having the Batt monitor I could immediately see the problem.

    Fortunately we had a spare 30W panel we keep for charging our small Batt box , I immediately added to the main system to boost charge rate.

    On returning home, I found the brad Harrison positive connector on the one panel was iffy, bad crimping done by the supplier, only a few strands of wire left, most were broken.

    I can assist with the DIY Batt mon build if you like
    Done 6 to date for people who are non technical, all campers.

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  3. #22
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Quote Originally Posted by DirtBasher View Post
    I can assist with the DIY Batt mon build if you like
    Done 6 to date for people who are non technical, all campers.
    Can you please give us more detail on this Dirtbasher i.e how it works, size and if possible, cost?? You can pm me if you not happy to discuss on an open forum!!
    2013 Trailblazer 2.8 LTZ 4x4
    2015 Isuzu KB300

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  4. #23
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Quote Originally Posted by BroJ View Post
    Can you please give us more detail on this Dirtbasher i.e how it works, size and if possible, cost?? You can pm me if you not happy to discuss on an open forum!!
    It a forum DIY Batt monitor kit, all the info here

    http://www.4x4community.co.za/forum/...d.php?t=190968

    Looked like there is still stock

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  6. #24
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Quote Originally Posted by DirtBasher View Post
    It a forum DIY Batt monitor kit, all the info here

    http://www.4x4community.co.za/forum/...d.php?t=190968

    Looked like there is still stock
    Yip...there is.

  7. #25
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    Default Re: Meters for monitoring battery input - solar panel output etc

    I want, I want! Puhleese! How do I go about securing one?
    Thanks guys
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  8. #26
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    Default Re: Meters for monitoring battery input - solar panel output etc

    All info on Gerhard's monitor available here:
    http://www.4x4community.co.za/forum/...attery-monitor

  9. #27
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    Default Re: Meters for monitoring battery input - solar panel output etc

    The way I did mine from 4x4 Direct

    Have used the big shunt in the negative wire from the battery (mounted on the frame of the trailer).
    Put the meter in a small plastic box.
    One rocker on/off switch
    One toggle switch, double throw - one way charge, one way discharge
    Attached Images Attached Images  
    Danie & Marinda - die wiele is rond, dus moet hulle hardloop, net jammer ek moet werk om te oorleef
    2017 BL - Kewer B1115 - op bestelling, aflewering einde Nov 2017
    2016 Ford Fiesta Ecoboost - daaglikse ryding
    2013 Ford Ranger 3.2 DC XLT - nuwe rondloop ry ding, nou sleep ons! (2017)
    2011 Echo 4, die RUSWA-ZN - bos en kamp tyd => in die mark/te koop
    2010 Ford Ranger 2.5 DT DC XLT - rondloop ry ding met bietjie ekstra krag (Verkoop)
    2005 Chev Aveo - Afgeskryf (2016)
    2005 Opel Corsa 17DTi - Geruil (warm enjin)
    2003 Opel Corsa 17DTi - Geruil (warm enjin)
    2000 Nissan Hardbody - Geruil (pyne by die duisended)
    1998 Opel Kadett - Dogter se wiele geword in 2003 (baie warm enjin)
    1990 Datsun 1800 short wheelbase - Pa se ou plaas bakkie, na die Nissan die pad gevat het met sy probleme in 2003
    1990 Hilux 2.4D - en hy kon loop, pomp en top gewerk aan.
    1984 Opel Commondore - het gehardloop
    1983 Safary 3 karavaan - verkoop en begin tent in 2000
    1980 Ford Granada 3.0 - warm enjin afgeskryf
    1969 VW 1600 TL - geen einde nie, warm enjin en geruil
    1968 VW 1600 L - geen einde en baie warm enjin, verkoop in 1998

    .

  10. #28
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Quote Originally Posted by Danie S View Post
    One toggle switch, double throw - one way charge, one way discharge
    How did you wire it to show both charge & discharge? Diagram if possible please.
    Pete

    ADVENTURE BEFORE DEMENTIA

    2002 Mitsubishi Colt Rodeo 3.0

  11. #29
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    Default Re: Meters for monitoring battery input - solar panel output etc

    I found a very well written explanation on how to put together a monitoring system using VA meters from 4x4 direct. Found it on the forum. Can't remember exactly where. Shows V and A from solar, from Chek and drawn by fridge. Works really well. Fairly easy to do yourself or take diagram to 4x4 installer to do for you. Had mine done by Winelands 4x4.

  12. #30
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Quote Originally Posted by petewill View Post
    How did you wire it to show both charge & discharge? Diagram if possible please.
    I'd also be pleased to know.

    I only run my fridge of the aux battery. I can monitor the current it draws. But it would be super nice to just flick a switch to see on the same monitor what is being put back in the battery from the solar panels.

    DanieS, perhaps please give us a little more information about your charging system as well please.
    Nico Swart

    Triton 2.5DiD D/C with SS
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    Experience is something you don't get until just after you need it.

  13. #31
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Duplicate post
    Last edited by Danie S; 2017/01/11 at 11:15 PM.
    Danie & Marinda - die wiele is rond, dus moet hulle hardloop, net jammer ek moet werk om te oorleef
    2017 BL - Kewer B1115 - op bestelling, aflewering einde Nov 2017
    2016 Ford Fiesta Ecoboost - daaglikse ryding
    2013 Ford Ranger 3.2 DC XLT - nuwe rondloop ry ding, nou sleep ons! (2017)
    2011 Echo 4, die RUSWA-ZN - bos en kamp tyd => in die mark/te koop
    2010 Ford Ranger 2.5 DT DC XLT - rondloop ry ding met bietjie ekstra krag (Verkoop)
    2005 Chev Aveo - Afgeskryf (2016)
    2005 Opel Corsa 17DTi - Geruil (warm enjin)
    2003 Opel Corsa 17DTi - Geruil (warm enjin)
    2000 Nissan Hardbody - Geruil (pyne by die duisended)
    1998 Opel Kadett - Dogter se wiele geword in 2003 (baie warm enjin)
    1990 Datsun 1800 short wheelbase - Pa se ou plaas bakkie, na die Nissan die pad gevat het met sy probleme in 2003
    1990 Hilux 2.4D - en hy kon loop, pomp en top gewerk aan.
    1984 Opel Commondore - het gehardloop
    1983 Safary 3 karavaan - verkoop en begin tent in 2000
    1980 Ford Granada 3.0 - warm enjin afgeskryf
    1969 VW 1600 TL - geen einde nie, warm enjin en geruil
    1968 VW 1600 L - geen einde en baie warm enjin, verkoop in 1998

    .

  14. #32
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    Thumbs up Re: Meters for monitoring battery input - solar panel output etc

    The diagram is fairly simple
    You use a double pole double throw toggle switch - it has 6 contacts.
    You will require same thickness red, black and green extra wire and some heat shrink

    NOTE - the shunt is installed in the NEGATIVE supply from the battery before you connect any thing to it
    On my photo the wire looks red, it has a black line running on the wire that you cannot see.
    You will see it goes to the black connector on the power box.
    Reason for the using the NEG wire, the shunt is open so you do not accidentally bump a positive shunt with a piece of conductive material, it blows fuses and melt wires.

    You will find normally 5 or 4 wires at the back of this type of meter that displays Amps and Volts.
    2 x red - positive (could be one & both positive), 2 x black (negative & one sense), 1 x green (sense wire)

    The red and black normally will be for the volt display and runs off the same socket or is soldered on to the board close to each other.
    In this red line I stuck the rocker switch that will shut the meter off.
    The positive (red) feed for the rocker switch is from a positive point directly from the battery.
    The black goes to the load side of the shunt - connected on the toggle switch center pin where the sense wire is.
    This connection is not indicated on the drawing.

    Then you will have a second place/socket that have normally three wires (sometimes two - no red)
    Red, black and green.
    The red is run from the off position side of the rocker switch, same place where the red that runs between the switch and meter (red wire on amp meter is sometime not there).

    Now comes the trick on the back of the toggle switch
    The two center contacts get the wires from the shunt
    Green from the battery side on the shunt to the bottom center point, Black from the load side of the shunt top side center, you connect the black from the volt meter to the same black center pin - not to any other pins.

    Now you connect the one pin ( bottom left outer pin of the one where the green wire connects) with the top right outer pin next to the black wire.
    The green wire from the meter is then connected to one of the outer green point or soldered on to the link.
    Then the top left outer pin gets a black wire that links with the bottom right outer pin and the black wire then connects to the Amp meter.

    You will see that with toggle to one side connects green from the battery side of the shunt directly to the green on the meter.
    Same with the black to black wire.

    Toggle to the other side connects green with black and black with green - it changes the direction of measurement.

    Just note that I have heat shrink over all the joints, they are close to each other and could touch causing some fun - got the T-shirt.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by Danie S; 2017/01/12 at 08:34 AM. Reason: Note regarding shut in NEGATIVE supply
    Danie & Marinda - die wiele is rond, dus moet hulle hardloop, net jammer ek moet werk om te oorleef
    2017 BL - Kewer B1115 - op bestelling, aflewering einde Nov 2017
    2016 Ford Fiesta Ecoboost - daaglikse ryding
    2013 Ford Ranger 3.2 DC XLT - nuwe rondloop ry ding, nou sleep ons! (2017)
    2011 Echo 4, die RUSWA-ZN - bos en kamp tyd => in die mark/te koop
    2010 Ford Ranger 2.5 DT DC XLT - rondloop ry ding met bietjie ekstra krag (Verkoop)
    2005 Chev Aveo - Afgeskryf (2016)
    2005 Opel Corsa 17DTi - Geruil (warm enjin)
    2003 Opel Corsa 17DTi - Geruil (warm enjin)
    2000 Nissan Hardbody - Geruil (pyne by die duisended)
    1998 Opel Kadett - Dogter se wiele geword in 2003 (baie warm enjin)
    1990 Datsun 1800 short wheelbase - Pa se ou plaas bakkie, na die Nissan die pad gevat het met sy probleme in 2003
    1990 Hilux 2.4D - en hy kon loop, pomp en top gewerk aan.
    1984 Opel Commondore - het gehardloop
    1983 Safary 3 karavaan - verkoop en begin tent in 2000
    1980 Ford Granada 3.0 - warm enjin afgeskryf
    1969 VW 1600 TL - geen einde nie, warm enjin en geruil
    1968 VW 1600 L - geen einde en baie warm enjin, verkoop in 1998

    .

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  16. #33
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Quote Originally Posted by Die SwartKat View Post
    I'd also be pleased to know.

    I only run my fridge of the aux battery. I can monitor the current it draws. But it would be super nice to just flick a switch to see on the same monitor what is being put back in the battery from the solar panels.

    DanieS, perhaps please give us a little more information about your charging system as well please.
    I use one of the HCdP power panels in the Echo.
    It is an all in one solution, got sick of having a charger, battery monitor, solar controller, connection to the car and things all over the show.
    They shake loose, connections break and you go into hunting mode when you discover the meat is vrot or beer is warm - bit late then.
    Cost was also cheaper to buy the all in one solution than getting all the loose ones and less assemble & mounting issues.

    Best buy and move made in years, this is a 12Amp 2011 model Mrk 1 and does not have the inverter in.

    Solar input is only 150Watt, which is more than ample for our needs (panel is 130 Watt).
    One thing I did is made all the solar connections RED BH connectors.
    Originally they were grey and on a lazy day stuck the panel on the grey BH at the A-frame.
    That cost me a cooked battery as there is no solar controller on that line - expensive and annoying in the middle of no where.
    You will see in post #27 where the two solar wires go into the panel on the far right connector.

    Added the USB and cig lighter sockets for cellphone and flashlight charging, installed a separate switch on the side of it so it is only on when required.
    Attached Images Attached Images  
    Last edited by Danie S; 2017/01/12 at 08:52 AM.
    Danie & Marinda - die wiele is rond, dus moet hulle hardloop, net jammer ek moet werk om te oorleef
    2017 BL - Kewer B1115 - op bestelling, aflewering einde Nov 2017
    2016 Ford Fiesta Ecoboost - daaglikse ryding
    2013 Ford Ranger 3.2 DC XLT - nuwe rondloop ry ding, nou sleep ons! (2017)
    2011 Echo 4, die RUSWA-ZN - bos en kamp tyd => in die mark/te koop
    2010 Ford Ranger 2.5 DT DC XLT - rondloop ry ding met bietjie ekstra krag (Verkoop)
    2005 Chev Aveo - Afgeskryf (2016)
    2005 Opel Corsa 17DTi - Geruil (warm enjin)
    2003 Opel Corsa 17DTi - Geruil (warm enjin)
    2000 Nissan Hardbody - Geruil (pyne by die duisended)
    1998 Opel Kadett - Dogter se wiele geword in 2003 (baie warm enjin)
    1990 Datsun 1800 short wheelbase - Pa se ou plaas bakkie, na die Nissan die pad gevat het met sy probleme in 2003
    1990 Hilux 2.4D - en hy kon loop, pomp en top gewerk aan.
    1984 Opel Commondore - het gehardloop
    1983 Safary 3 karavaan - verkoop en begin tent in 2000
    1980 Ford Granada 3.0 - warm enjin afgeskryf
    1969 VW 1600 TL - geen einde nie, warm enjin en geruil
    1968 VW 1600 L - geen einde en baie warm enjin, verkoop in 1998

    .

  17. #34
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Dankie vir dit Danie. Is tans effens bo my vuurmaakplek met my huidige setup. Maar waneer ek dalk alles oordoen oor 'n jaar of 3 gaan ek myne beslis ook so bedraad.

    Die ding is, ek het binne die laaste maand reeds my setup oorgedoen en ek is redelik trots op daardie jobbie. Ek wil nie regtig nou weer karring daar nie. Ek dink die maklikste gaan wees om maar 'n 2de meter te koppel tussen die Ctek en die 2de battery.

    Ek gaan wel 'n skakelaar vir hom gee omdat die meter wat ek gebruik slegs 10A kan hanteer, en die Ctek kan tot 20A lewer. So hy moet slegs aangeskakel word waneer die sonpanele hulle ding doen.

    Miskien een van daardie push button tipe wat mens moet inhou om die stroombaan te voltooi.

    Nou dat ek daaraan dink, ek het nou die dag een van Fluffy se posts gesien waar hy sÍ 'n shunt kan maklik dubbel die ampere hanteer waarvoor hulle ontwerp is, maar dan raak akkuraatheid 'n probleem.
    Nico Swart

    Triton 2.5DiD D/C with SS
    ZS6NJS
    Experience is something you don't get until just after you need it.

  18. #35
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Thank you very much Danie. Much appreciated. In your original post you mention that you used the big shunt. Did you use the 100A shunt or the 20A? Although I do not know what my alternator spec are I would think that the 20A would be sufficient.
    Pete

    ADVENTURE BEFORE DEMENTIA

    2002 Mitsubishi Colt Rodeo 3.0

  19. #36
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Quote Originally Posted by petewill View Post
    Thank you very much Danie. Much appreciated. In your original post you mention that you used the big shunt. Did you use the 100A shunt or the 20A? Although I do not know what my alternator spec are I would think that the 20A would be sufficient.
    That is a 50Amp shunt and the meter is rated same.
    Those days you only got the 20 and 50 Amp combination ones, see now they have a 100 Amp also available.
    Accuracy go for a loop the bigger the shunt and you tend to lose the decimals.

    I would have liked to see two decimals, 20 Amp is just to small as the alternator delivers more.
    In some cases you will not see a discharge e.g. if I only run one or two of the LED strips the power consumption is less than 0.05 Amps.
    You need to draw 0.06 to see the 0.1 Amp reading.
    This had me confused in the beginning, two computer fans and one LED strip of 6 LED's now and then hit the 0.1.
    Was about to complain that the meter is shot, the clip on Amp meter showed 0.05-0.06 and then it dawned on me.

    Secondly I was going to get a big charger and loose components, then rather got the all in one solution.
    Danie & Marinda - die wiele is rond, dus moet hulle hardloop, net jammer ek moet werk om te oorleef
    2017 BL - Kewer B1115 - op bestelling, aflewering einde Nov 2017
    2016 Ford Fiesta Ecoboost - daaglikse ryding
    2013 Ford Ranger 3.2 DC XLT - nuwe rondloop ry ding, nou sleep ons! (2017)
    2011 Echo 4, die RUSWA-ZN - bos en kamp tyd => in die mark/te koop
    2010 Ford Ranger 2.5 DT DC XLT - rondloop ry ding met bietjie ekstra krag (Verkoop)
    2005 Chev Aveo - Afgeskryf (2016)
    2005 Opel Corsa 17DTi - Geruil (warm enjin)
    2003 Opel Corsa 17DTi - Geruil (warm enjin)
    2000 Nissan Hardbody - Geruil (pyne by die duisended)
    1998 Opel Kadett - Dogter se wiele geword in 2003 (baie warm enjin)
    1990 Datsun 1800 short wheelbase - Pa se ou plaas bakkie, na die Nissan die pad gevat het met sy probleme in 2003
    1990 Hilux 2.4D - en hy kon loop, pomp en top gewerk aan.
    1984 Opel Commondore - het gehardloop
    1983 Safary 3 karavaan - verkoop en begin tent in 2000
    1980 Ford Granada 3.0 - warm enjin afgeskryf
    1969 VW 1600 TL - geen einde nie, warm enjin en geruil
    1968 VW 1600 L - geen einde en baie warm enjin, verkoop in 1998

    .

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  21. #37
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    Default Re: Meters for monitoring battery input - solar panel output etc

    Thanks Danie. I mainly run the fridge all the time and often a Mobicool whilst driving. I really just want a reasonably good idea what is happening so the 50A should be fine.
    Pete

    ADVENTURE BEFORE DEMENTIA

    2002 Mitsubishi Colt Rodeo 3.0

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