Comment Please on This Back-up Power Suggestion





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  1. #1
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    Default Comment Please on This Back-up Power Suggestion

    I need backup for load shedding (domestic use).

    The following set up has been recommended to me:

    A 3Kva (2400 watt) Multiplus 2 Victron Inverter with Integrated battery Charger with 4 X 102 AH Deltec batteries, wired into the DB, to power lights and selected low load plug circuits such as TV's Dstv decoders, sound system, laptops (2) and refrigerator/freezer. Victron, although more expensive, is said to be more reliable at the coast than some others, in respect of corrosion.

    Does this seem right - fully installed at R39 000 and some change.

    Constructive comments are welcome, please.
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  2. #2
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    Default Re: Comment Please on This Back-up Power Suggestion

    Agree with Victron being more robust, I have same one.

    Price seems to be ballpark if installation is included.

    And panels can be added later easily enough, with some more moolah
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  3. #3
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    Default Re: Comment Please on This Back-up Power Suggestion

    Royboy

    I agree with the above about victron being more robust

    The only wording I dont see after going thru the spec sheets is the wording

    "Pure Sinewave Inverter"

    I could have missed it though

    The unit itself is about 17 k
    4 batteries - 9 k
    Some other goodies like the eskom incoming ac feed detector etc plus a bit for installation
    so that isnt bad at all

  4. #4
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    Default Re: Comment Please on This Back-up Power Suggestion

    Quote Originally Posted by RossJ View Post

    "Pure Sinewave Inverter"

    I could have missed it though
    It most surely is.

    The MultiPlus, as the name suggests, is a combined inverter and charger in one elegant package. Its many features include a true sine wave inverter, adaptive charging, hybrid PowerAssist technology, plus multiple system integration features.
    https://www.victronenergy.com/invert...48v-800va-3kva
    Last edited by Prof; 2020/01/07 at 03:45 PM.
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  5. #5
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    Default Re: Comment Please on This Back-up Power Suggestion

    Quote Originally Posted by RossJ View Post
    Royboy

    I agree with the above about victron being more robust

    The only wording I dont see after going thru the spec sheets is the wording

    "Pure Sinewave Inverter"

    I could have missed it though

    The unit itself is about 17 k
    4 batteries - 9 k
    Some other goodies like the eskom incoming ac feed detector etc plus a bit for installation
    so that isnt bad at all


    Thanks, the proposed inverter is pure sine wave, so that won't be an issue. The cost seemed high, but I know zero about these things, hence my post! Thanks to all who've responded.
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  6. #6
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    Default Re: Comment Please on This Back-up Power Suggestion

    If you have the cash, rather ask for a quote on that setup with Lithium batteries.

    A 2kWh Lithium battery would give you more or less the same usable battery capacity with the following advantages:
    - Can charge and discharge faster without any damage
    - Can run Lithium till it goes off without damaging the battery
    - Will still give you 80%+ capacity after daily charge and discharging after 7 to 10 years.
    - Uses less space. Possible to build this into a semi portable unit that you can easily move/take elsewhere.
    - Much higher efficiency. You get about 90% of the power you put in, back out. So will cost less to charge, require less solar panels if you add later, etc..

    Over a longer period, it costs MUCH less than Lead Acid batteries. If you go for Lead Acid, you will probably replace within a year or two because you discharged the batteries too much.


    Quoted price you got seems fair.
    Riaan

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  7. #7
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    Default Re: Comment Please on This Back-up Power Suggestion

    Quote Originally Posted by royboy View Post
    I need backup for load shedding (domestic use).

    The following set up has been recommended to me:

    A 3Kva (2400 watt) Multiplus 2 Victron Inverter with Integrated battery Charger with 4 X 102 AH Deltec batteries, wired into the DB, to power lights and selected low load plug circuits such as TV's Dstv decoders, sound system, laptops (2) and refrigerator/freezer. Victron, although more expensive, is said to be more reliable at the coast than some others, in respect of corrosion.

    Does this seem right - fully installed at R39 000 and some change.

    Constructive comments are welcome, please.
    Royboy ask Jacques Greeff in George for a quote 0836542032.Also Voltex have a special now on the 330W panels for R1600.
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