500w inverter question





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  1. #1
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    Default 500w inverter question

    Hi
    I bought a 500w inverter to put in my trailer.
    My question is:
    1.When connected to the battery the green light on inverter burns the whole time alltough switch is in off position. Is this good or bad.
    2.When switch is in on position the fan runs continuously without or with a load. Is this good or bad.
    The inverter does the job altough it is a cheapie I just don't like things like the light burning when my trailer is parked and the fan is annoying.
    Jacques

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    Default Re: 500w inverter question

    Any inverter when connected to power has a "no load consumption". So it is going to drain your battery without any load. Best is to disconnect when not in use.
    Ps 16:5

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    Default Re: 500w inverter question

    Just wire up a 2 pole isolator switch between the battery and the inverter and switch off when not in use.
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    Default Re: 500w inverter question

    All the inverters that have a green and red LED and power switch that I have seen only light up the green when the switch is on. The red is on when there is a fault. This convention does NOT draw any power when switched off even if it is connected to a battery. The on/off switch is there to prevent a drain from the battery when off.

    The fan running as soon as you switch on could also be due to the saving on cost to monitor the temp.

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    Default Re: 500w inverter question

    Quote Originally Posted by ekkekan View Post
    All the inverters that have a green and red LED and power switch that I have seen only light up the green when the switch is on. The red is on when there is a fault. This convention does NOT draw any power when switched off even if it is connected to a battery. The on/off switch is there to prevent a drain from the battery when off.

    The fan running as soon as you switch on could also be due to the saving on cost to monitor the temp.
    I have 2 inverters one is the changi one and not one of them has the green light on the whole time and fan running whole time when switched on.
    Tried to return inverter to supplier cause for me that is not what I thought it should be.
    Supplier just say inverter works no money back. Name:  LN-500_Inverter_grande.jpeg
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    Last edited by fatbike; 2020/05/30 at 06:30 AM.

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    Default Re: 500w inverter question

    I bought a Doxin many years ago. Has never missed a beat !
    There is no task too simple for some people to complicate !



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    Default Re: 500w inverter question

    Quote Originally Posted by duncang View Post
    I bought a Doxin many years ago. Has never missed a beat !
    Does the fan also run the whole time.

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    Default Re: 500w inverter question

    Quote Originally Posted by fatbike View Post
    Does the fan also run the whole time.
    No, does not run with just the router, if I add the charger it flicks on and off, only when I add the laptop does it stay on but very quiet.
    There is no task too simple for some people to complicate !



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  10. #9
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    Default Re: 500w inverter question

    Thanks I will see it as a learning curve school fees paid.
    Will get something that suits my needs

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    Default Re: 500w inverter question

    Relocate the inverter so you dont hear it.

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    Default Re: 500w inverter question

    Do you know what it's power consumption is with no load? I'm quite interested in a small cheapie inverter to test on my system, my 1500w (Meanwell home solar 400a batteries) inverter's own power consumption is by far the biggest load on my whole system.

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    Default Re: 500w inverter question

    Quote Originally Posted by sparewheel View Post
    Do you know what it's power consumption is with no load? I'm quite interested in a small cheapie inverter to test on my system, my 1500w (Meanwell home solar 400a batteries) inverter's own power consumption is by far the biggest load on my whole system.
    For starting to compare the China Changi draws 10W when switched on and no load. With the weak Rand the 3000W peak is no longer cheap. The fan only comes on at over about 300W which is great.

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    Default Re: 500w inverter question

    Fan running all the time even with no load will annoy me as well.
    What does the manual say about that green light, does that green light mean it is sort of in stand by and still drawing a little power?
    It's in pubs where the world's greatest ideas begin.

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    Default Re: 500w inverter question

    Quote Originally Posted by bigboy529 View Post
    Fan running all the time even with no load will annoy me as well.
    What does the manual say about that green light, does that green light mean it is sort of in stand by and still drawing a little power?
    You know the chinese manuals they always say as litttle as possible but the supplier say it is stand by.
    But I do not understand it cause switch is in off position. Like I said school fees paid I just think something like fan running should be included in description I was never told that it will run continuously when switched on��
    Last edited by fatbike; 2020/05/30 at 03:33 PM.

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    Default Re: 500w inverter question

    Quote Originally Posted by fatbike View Post
    You know the chinese manuals they always say as litttle as possible but the supplier say it is stand by.
    But I do not understand it cause switch is in off position. Like I said school fees paid I just think something like fan running should be included in description I was never told that it will run continuously when switched on��

    If you decide to keep it, I'd put in a extra switch between the inverter and battery to totally switch it off, just be sure to get one rated for the correct current.
    If I may ask, what did this inverter set you back?
    It's in pubs where the world's greatest ideas begin.

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    Default Re: 500w inverter question

    Quote Originally Posted by bigboy529 View Post
    If you decide to keep it, I'd put in a extra switch between the inverter and battery to totally switch it off, just be sure to get one rated for the correct current.
    If I may ask, what did this inverter set you back?
    I paid R500 for it but not going to use it already looking for one that will work for me.

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    Default Re: 500w inverter question

    Quote Originally Posted by fatbike View Post
    I paid R500 for it but not going to use it already looking for one that will work for me.


    Not sure what your needs are and whether you need true sine wave or modified sine wave, but quick Google tells me you should come right for around double that if you look at this for example. https://www.outdoorwarehouse.co.za/p...h-usb-new/6424
    It's in pubs where the world's greatest ideas begin.

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    Default Re: 500w inverter question

    Quote Originally Posted by bigboy529 View Post
    Not sure what your needs are and whether you need true sine wave or modified sine wave, but quick Google tells me you should come right for around double that if you look at this for example. https://www.outdoorwarehouse.co.za/p...h-usb-new/6424
    Jip that is the one I am getting.

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    Default Re: 500w inverter question

    Quote Originally Posted by fatbike View Post
    Jip that is the one I am getting.


    Just keep in mind it also still draws a little current even with no load, so if it can't be completely switched off, I'd still add a extra switch.
    It's in pubs where the world's greatest ideas begin.

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    Default Re: 500w inverter question

    Quote Originally Posted by bigboy529 View Post
    Just keep in mind it also still draws a little current even with no load, so if it can't be completely switched off, I'd still add a extra switch.
    It should not draw any current when switched off as all the guys who bought the Changi will know. One should not have to add switches between bat and inverter if things work as they should.

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