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  1. #1
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    Default Mecer charging lithium battery

    Hi is this inverter capable of charging a 12v lithium battery?
    https://www.takealot.com/mecer-1200v...00/description

    Solved: So you dont need to go through the whole thread - Rather go with the Mecer's IVR 1200MPPT for lithium. thanks everyone for the help!
    Last edited by horizon; 2021/06/15 at 08:37 AM. Reason: question solved

  2. #2
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    Default Re: Mecer charging lithium battery

    Why don't you look at the MECER 1200VA 1000W 12V with build-in MPPT they can charge leadacid and lithuim?

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by Snake Oil View Post
    Why don't you look at the MECER 1200VA 1000W 12V with build-in MPPT they can charge leadacid and lithuim?
    Hi snake oil thank you I didn't even see that.
    Do you have any stats on the device. I look on mecer website and they barely have a description let alone specs.

    For that price of 2k though it sounds almost too good.

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by horizon View Post
    Hi snake oil thank you I didn't even see that.
    Do you have any stats on the device. I look on mecer website and they barely have a description let alone specs.

    For that price of 2k though it sounds almost too good.
    Here you go.
    Attached Images Attached Images
    Cheers

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by Fluffy View Post
    Here you go.
    If one Googles Mecer 1000w inverter this new unit is the 1st to come up. I think a lot of times suppliers try to push their older models.

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by ekkekan View Post
    If one Googles Mecer 1000w inverter this new unit is the 1st to come up. I think a lot of times suppliers try to push their older models.
    True, but I think they are actually quite different devices intended for different applications.
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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by Fluffy View Post
    True, but I think they are actually quite different devices intended for different applications.
    If I was in the market for a small back up solution to include PV for the present situation for essentials this will be my choice. Self contained, strong charger, external battery/ies. In this sector it is what the Axpert is for houe/office use that includes PV.

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by ekkekan View Post
    If I was in the market for a small back up solution to include PV for the present situation for essentials this will be my choice. Self contained, strong charger, external battery/ies. In this sector it is what the Axpert is for houe/office use that includes PV.
    Look closely at the unit and you may just see it is a repackaged Axpert
    Cheers

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by Fluffy View Post
    Look closely at the unit and you may just see it is a repackaged Axpert
    I did look at the display and saw the 3 LEDs and the various bottons but it has been reworked to look different.

    Just the price is much lower than a 12V 1kW Axpert as we it.
    Last edited by ekkekan; 2021/06/13 at 11:06 PM.

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by ekkekan View Post
    If I was in the market for a small back up solution to include PV for the present situation for essentials this will be my choice. Self contained, strong charger, external battery/ies. In this sector it is what the Axpert is for houe/office use that includes PV.
    are you talking about the mecer ivr 1200mppt or axpert as you small back up solution?

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by ekkekan View Post
    I did look at the display and saw the 3 LEDs and the various bottons but it has been reworked to look different.

    Just the price is much lower than a 12V 1kW Axpert as we it.
    what I did notice that fooled me at first is that the mecer ivr 1200mppt is in fact modified sine wave. Mecer just called it simulated.
    im just running WiFi laptop etc etc so modified suites me fine.

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by horizon View Post
    are you talking about the mecer ivr 1200mppt or axpert as you small back up solution?
    The Mecer. Like it was indicated earlier it looks like a reworked Axpert just much cheaper being a simulated sine instead of pure sine.
    Last edited by ekkekan; 2021/06/13 at 11:41 PM.

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    Default Re: Mecer charging lithium battery

    Hi Ekken, that mercer seems the way to go for me if i ONLY want to power lights during shedding.
    Will this lithium battery be enough for shedding: https://pclinkshop.co.za/ups-inverte...a-12v-lithium/

    I cant see that i will pull more than 500W for all lights, and i wont have them all on in anycase. And i can add solar later.
    Or blue nova battery?

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by ezee rider View Post
    Hi Ekken, that mercer seems the way to go for me if i ONLY want to power lights during shedding.
    Will this lithium battery be enough for shedding: https://pclinkshop.co.za/ups-inverte...a-12v-lithium/

    I cant see that i will pull more than 500W for all lights, and i wont have them all on in anycase. And i can add solar later.
    Or blue nova battery?
    Your best bang for the buck would be to convert to LED's.
    Cheers

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by ezee rider View Post
    Hi Ekken, that mercer seems the way to go for me if i ONLY want to power lights during shedding.
    Will this lithium battery be enough for shedding: https://pclinkshop.co.za/ups-inverte...a-12v-lithium/

    I cant see that i will pull more than 500W for all lights, and i wont have them all on in anycase. And i can add solar later.
    Or blue nova battery?
    I would think the best bang for your buck will be to manage which lights are on during LS. 2nd will be as Fluffy suggested to make an effort to convert to LED lights. Even with a lithium and a 4hr LS you will not be able to manage pulling 500W. The inverter you asked about would be a good unit if you want to go this route at a price but it will provide a way of getting on with the normal things like charging phones, routers and low power essentials.
    Converting to 220V LEDs the easy option to get round the 500W load.
    Last edited by ekkekan; 2021/06/14 at 08:34 AM.

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  21. #16
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    Default Re: Mecer charging lithium battery

    Hi guys, all my lights are already LED, most are downlights, some or different type led's in the lounge, kitchen, staircase, but all LED. My 500W total draw is my estimate when they all on, it will never be like that. I recon my draw would be half that. So with that said, would the mecer lith battery 200a be enough for this per load shedding?

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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by ezee rider View Post
    Hi guys, all my lights are already LED, most are downlights, some or different type led's in the lounge, kitchen, staircase, but all LED. My 500W total draw is my estimate when they all on, it will never be like that. I recon my draw would be half that. So with that said, would the mecer lith battery 200a be enough for this per load shedding?
    Yes good for 2.5h LS but not sure if in stage 4.

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    Default Re: Mecer charging lithium battery

    Thanx again Ekkekan, in your opinion is lithium really needed then, i guess 2.5 hours is fine, wonder how long it takes to charge so its ready for the next load shedding nightmare. Thanx again for all the help.

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    Default Re: Mecer charging lithium battery

    In order to assist you making an informed decision:

    As Amps does not give "size of storage", I assume the 200A Lithium is a printing error and that it should be 200Ah (Amp hour). At 12V this will give 200 x 12 = 2400 Wh (Watt hour). Therefore you can run say 800W for 3 hours, 400W for 6 hours, 100W for 24 hours.

    Just make sure what is meant with 200A.
    Louis Farrell

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  26. #20
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    Default Re: Mecer charging lithium battery

    Quote Originally Posted by ezee rider View Post
    Thanx again Ekkekan, in your opinion is lithium really needed then, i guess 2.5 hours is fine, wonder how long it takes to charge so its ready for the next load shedding nightmare. Thanx again for all the help.
    I have looked at it and if you go for the 12V Mecer IVR 1200 the battery will provide about 625Wh in a 2.5h LS. Then more than enough time to recharge using the 10A charge setting. Even for stage 4 the 5h between sessions will be enough to recharge. There will be quite a bit of reserve. Should the LS be closer than 5hrs the 25A charge setting can be used. The LS cycle will use less than 30% of the battery capacity.

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