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  1. Replies
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    Re: Insuring Solar setup

    Two things insurers/broker/underwriters can confirm:
    1) Insurers can change the terms of the policy / premium / cover based on claims and/or underwriting as being their right, at renewal.
    2) Nor is...
  2. Re: Inverter cutting out powering fridge

    Batts where load tested, see post 37.



    What I meant was IF he tried with 4 batteries, has 2 spares assuming they are still good obviously, if it still happens with the bigger capacity, then it...
  3. Re: Inverter cutting out powering fridge

    Good, that is then ruled out, no more doubts.

    You said you had two more batteries for testing. Why not wire all 4 up and test again with the fridge?

    Because if that still fails, with 4...
  4. Re: Quick inverter/charger question

    30A default charge for a 24v 100ah batteyr bank is a wee bit high.
    Can you adjust it down to 15A?
  5. Re: Can I use any smart charger for Lithium batteries?

    Thinking of lithium on a solar system ... no-one disconnects the batteries from the MPPT / Inverter.

    Between the charger cleverly stopping and the BMS, it should be automatic.
  6. Re: Inverter cutting out powering fridge

    Stopped counting the people who told me: "But the thingy shows green!?" ... yet the battery cannot power the load.

    Unless the cell under the Magic Eye shows a problem, it is a foefie.
    If they had...
  7. Re: Inverter cutting out powering fridge

    I wonder how one would be able to check the SOC / DOD as accurately as possible!?

    (sorry, but that just slipped out!) ;D
  8. Re: Inverter cutting out powering fridge

    Could just be a dud, maybe even a warranty claim.

    Charge them first as Ekkekan reminded us, have them tested.
  9. Re: Inverter cutting out powering fridge

    Geez, I forgot to mention that the batteries MUST be fully charged!!!
    Nice catch!

    What is a Magic Eye?
    Is it that little round "viewer" on some batteries? If so, it is misleading as it only...
  10. Re: Inverter cutting out powering fridge

    Yes, to test.
  11. Re: Inverter cutting out powering fridge

    First test them, as I said below, maybe the thread did not refresh:
    You may have a dud battery.
    Take them to a car battery place, they have Hawkins or similar testers. Let them draw like 3 x ah...
  12. Re: Inverter cutting out powering fridge

    Or you have a dud battery.

    Take them to a car battery place, they have Hawkins or similar testers. Let them draw like 3 x ah (270amps) from each battery for a few seconds, see what happens with...
  13. Re: Inverter cutting out powering fridge

    18.8v on a 24v battery, yeah, that is an issue. ;D

    Battery is fine ito volts / amps until maybe the defrost function kicks in, or whatever else, the amps peak, volts drop off a cliff and the...
  14. Re: Inverter cutting out powering fridge

    I presume that is after the inverter switched off?

    If so: What are the volts of the batteries before the inverter switches off?
  15. Replies
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    Re: DIY LifePo4 battery build

    That the smaller version Axpert is programmable enough to charge them, as the lithiums have different charge settings that what vented and AGM batteries have.

    The cells and BMS you get from where...
  16. Replies
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    Re: DIY LifePo4 battery build

    100%

    Get a 3kva Axpert inverter ... has charger built in and is programmable. Just confirm the use of LifePo4 batteries.
  17. Replies
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    Re: DIY LifePo4 battery build

    To build your own DIY LifePo4, is a good idea.

    For the rest, before we go off on a tangent again, as on other threads, where do you want to end up:
    1) DIY own setup for loadshedding, lekka...
  18. Replies
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    3,855

    Re: please help me calculate....

    I don't type between the lines. ;D

    All I can do is share on what I did and why, how and why it works for me, but maybe even more importantly, also share that what I did try before that did not...
  19. Replies
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    Re: please help me calculate....

    Now this makes me feel insecure ... ;D
  20. Replies
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    Re: please help me calculate....

    Spaar kapitaal ook ... na die nuwe 4x4 gekoop it of opgegradeer is ... na daai Afrika trippie gedoen is. ;D

    Dis nie snobisme nie. Dink dis meer 'n geval van die wat inligting deel het al 'n paar...
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    Re: please help me calculate....

    Ek en 'n pel, paar jaar terug, het somme gedoen. Hy werk vir 'n groot finansiele instansie met al die slim sagteware, en hy het toe 'n Axpert gehad.
    Vra hom toe om asb die somme te maak met 'n...
  22. Replies
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    Re: please help me calculate....

    Ja en nee. Een manier is om na die waarborg te kyk. Een jaar versus 5 jaar, of 10 jaar op batts (as die Maatskappy nog bestaan).



    Ja en nee.
    Sonder deeglike data is 'n solar sisteem amper...
  23. Replies
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    Re: please help me calculate....

    Amper ...
    Solis het 2 parte nodig, die data stick en die current sensor.
    En die ander faktor, hoe lank hou die toerusting?

    Werk daai twee faktore in en jy sit stewig.
  24. Re: Finance options for solar installations.

    I agree ... that is a NEED.

    Two options:
    1) Off the shelf UPS.
    2) Start with a hybrid NRS approved grid-tied inverter by using it as a UPS first ... build from there to the final full blown...
  25. Re: Impressed with China Pure Sine Wave Inverter

    Jip, if left on standby.
    Standby watts differ between makes and age of device.
  26. Replies
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    Re: Insuring Solar setup

    Janee, hier is 'n storie agter! ;D

    Gerlach, jy het alle reg om jou versekering te kanselleer en te skuif soos JY goeddink. Geen versekeraar kan jou forseer om te bly by hulle.

    En as iemand vir...
  27. Re: Finance options for solar installations.

    Bond, preferably cash, do it in stages, because IF you have to pay interest on-top of the cost of a solar system, it becomes a very tough calculation to justify.
    Then there is the WANT vs NEED....
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    Re: please help me calculate....

    You are spot on WWS.

    Two titbits I leave you with.



    I'm not an investment guy, but what I have heard them say, due to inflation, you may not have R250k in the end.
  29. Re: Impressed with China Pure Sine Wave Inverter

    I agree 100% with Fluffy ... yeah I "compromised" my reply as this debate always goes sideways ... :-)


    Allow me to retract and put it into perspective on why we say 3000va (2800w) on 12v is...
  30. Replies
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    Re: Insuring Solar setup

    Hoekom wag?
    Jy kan mos die polis kanselleer, hulle gee jou pro-rata refund, en jy skuif die polis?
  31. Re: Mecer Inverter and TV Psu noise

    Here is what Sinetech says ... https://sinetech.co.za/select-inverter.html

    Modified Sinewave Inverter
    The Modified sinewave inverter has limitations. These are some of the appliances that may...
  32. Replies
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    Re: Insuring Solar setup

    Issue is depreciation, geyser either works or it does not.

    Batteries are more like vehicle insurance. Value of vehicle depreciates the older it gets, the higher the mileage gets and the overall...
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    Re: Insuring Solar setup

    This is VERY interesting. I asked a broker:
    Me: Hoekom sal 'n versekeraar nie 'n solar sisteem se batterye wil verseker, as dit fixtures vd sisteem is, vir diefstal, brand, water damage, lightning,...
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    Re: Fitting a BMV with a shunt

    Good correction. In a really bad scenario, both fuses will pop.




    I'm adjusting my view now:
    The basic rule of thumb is that all wires in a system should have their own circuit protection....
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    Re: Fitting a BMV with a shunt

    It should be in the manual, email supplier or check for an external user replaceable fuse.

    Re. a cars fuse box. here is what confuses the matter:
    Quick glance on the car fuse box you posted, the...
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