Impressed with China Pure Sine Wave Inverter - Page 36





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  1. #701
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by MikeS View Post
    Thats the price for the 24V 4000W inverter!
    This where it helps to read the whole thread. I have mentioned a number of times the price comes down for a so called special lasting a week or so and then goes up. After 10 days or so it then comes down for the special price. The web normally shows the date that the special ends. One will see other sellers are keeping their 3000W unit around R1800-R1900.

  2. #702
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    Default Re: Impressed with China Pure Sine Wave Inverter

    I must admit, after using these China Chargers for over a year I can say they are very impressive! What you get for under R200.00!

    I now have 4 of these charges charging various batteries, my first one is now connected to a volt and amp metre, (see my post earlier today!) So I can monitor the volts and amps while charging and yes they work as everyone here claims!!!

    Quote Originally Posted by WAJ View Post
    So I just got myself one of these at the china mall - R160 because it seems it is recommended here by fellow community members
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  4. #703
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    Default Re: Impressed with China Pure Sine Wave Inverter

    I can just mention that 1 of the 2 big caravan mover companies are now using this very same charger on new installations. That sound like a "meet the grade" for charging even 102Ah batteries.

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  6. #704
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    Default Re: Impressed with China Pure Sine Wave Inverter

    I should have gone this route a while back, I really love that I literally don't feel load shedding anymore. Unless I have to take a cold shower if they keep the power off for more than a day

    Still want to throw it out the window though when the fans kick in

  7. #705
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by neoT View Post
    To all of those using the "cheap 7A chinese charger".
    Keep an eye on the voltage during the trickle charge stage.
    I have found that, during the trickle charge stage, the voltage would creep up from 13.5V to 17V (this is where I switched it off) with the LED being green.
    Normally when the battery needs charging the charger would apply 14.7V and the LED is red, then when the charger decides the battery is full it applies 13.5V, but after a while the voltage starts to creep up.
    Very interesting. Perhaps we should get together to look into this. I have voltmeters on all my batteries under charge and have never seen the voltage creeping up while in trickle with green light on. Not even if it is connected to a 7Ah have I seen this problem.

    PM to arrange.

  8. #706
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Got my batteries today.

    Anyone familiar with the Narada deep cycle range?

    https://batterydistributors.co.za/product-category/solar-batteries/narada-solar-batteries/
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  9. #707
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Received the inverter today, 13 days after placing the order.

    Bring on load-shedding......oh wait, we've now got plenty of power.

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  11. #708
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by Thug View Post
    Received the inverter today, 13 days after placing the order.

    Bring on load-shedding......oh wait, we've now got plenty of power.

    Its always like that...

    But hey, now you got it!!
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  12. #709
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    Default Re: Impressed with China Pure Sine Wave Inverter

    I'm a radio amateur, I want to run my entire radio room on battery power.
    Does anyone perhaps know how quiet these inverters are in terms of radio frequency interference, or a couple owners maybe willing to do some simple tests for me?

    I'll probably go for the 4000W 24V, right now my needs are only around 1100W peak having a 600W switch mode PSU, 400W PC PSU and 100W rotator controller, but no harm in getting some overhead capacity for the future and especially at this things price.

    Ideal would actually be to put my linear amplifier on battery power as well, but that will require at least another 3000W, so that will mean a 5000W continuous inverter and then I'll have to go 48V as well.
    I don't drink water, unless it's been through a brewery first.

    "The darkest places in hell are reserved for those who maintain neutrality in times of moral crisis." - Dante Alighieri

  13. #710
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by Thug View Post
    Received the inverter today, 13 days after placing the order.

    Bring on load-shedding......oh wait, we've now got plenty of power.
    I feel the same way 😁. Mine arrived yesterday, went to get 1 battery today. Will get a storage box and delivery to my battery shop to hook up for me.
    Enjoy!

  14. #711
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by bigboy529 View Post
    I'm a radio amateur, I want to run my entire radio room on battery power.
    Does anyone perhaps know how quiet these inverters are in terms of radio frequency interference, or a couple owners maybe willing to do some simple tests for me?

    I'll probably go for the 4000W 24V, right now my needs are only around 1100W peak having a 600W switch mode PSU, 400W PC PSU and 100W rotator controller, but no harm in getting some overhead capacity for the future and especially at this things price.

    Ideal would actually be to put my linear amplifier on battery power as well, but that will require at least another 3000W, so that will mean a 5000W continuous inverter and then I'll have to go 48V as well.
    Will do a test for you tomorrow Nickus. I have the 3000w 12v though.
    What amp do you intend running?

  15. #712
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by bigboy529 View Post
    I'm a radio amateur, I want to run my entire radio room on battery power.
    Does anyone perhaps know how quiet these inverters are in terms of radio frequency interference, or a couple owners maybe willing to do some simple tests for me?

    I'll probably go for the 4000W 24V, right now my needs are only around 1100W peak having a 600W switch mode PSU, 400W PC PSU and 100W rotator controller, but no harm in getting some overhead capacity for the future and especially at this things price.

    Ideal would actually be to put my linear amplifier on battery power as well, but that will require at least another 3000W, so that will mean a 5000W continuous inverter and then I'll have to go 48V as well.
    1100Watts just for radios

    You cannot transmit on all of them simultaneously.

    Why/how so much power?
    Nico Swart

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  16. #713
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Just a quick question on this Changi inverter.

    Obviously the outlet is too small for 15 amp plug but surely a 5 amp is too lightweight from a power consumption perspective.

    What are people using to plug in a multiplug?

  17. #714
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by bigboy529 View Post
    I'm a radio amateur, I want to run my entire radio room on battery power.
    Does anyone perhaps know how quiet these inverters are in terms of radio frequency interference, or a couple owners maybe willing to do some simple tests for me?

    I'll probably go for the 4000W 24V, right now my needs are only around 1100W peak having a 600W switch mode PSU, 400W PC PSU and 100W rotator controller, but no harm in getting some overhead capacity for the future and especially at this things price.

    Ideal would actually be to put my linear amplifier on battery power as well, but that will require at least another 3000W, so that will mean a 5000W continuous inverter and then I'll have to go 48V as well.
    Hi

    Just a side note. I use a 600W power supply in my PC and a 22" monitor.
    Running off the 3000W 24V inverter, it shows it uses 62W on it.
    Just saying.

  18. #715
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by LCamper View Post
    Will do a test for you tomorrow Nickus. I have the 3000w 12v though.
    What amp do you intend running?


    I have a Ameritron ALS1306, to run 1KW I'll need at least a 3000W inverter for it if not more. But as said if I include the amplifier in this setup it will get very expensive.
    I don't drink water, unless it's been through a brewery first.

    "The darkest places in hell are reserved for those who maintain neutrality in times of moral crisis." - Dante Alighieri

  19. #716
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by Die SwartKat View Post
    1100Watts just for radios

    You cannot transmit on all of them simultaneously.

    Why/how so much power?


    A 600W 50A switch mode supply for 2 100W transceivers and yes in the past I have transmitted on both simultaneously, but most of the time the draw is way less.
    My PC have a 400W supply, I use my PC for logging, rotator control and digital modes, but most of the time this also draws much less since the PC doesn't work very hard. Oh and I forgot about the PC monitor.
    Then there's my rotator controller which I guess is around 100W, I haven't actually checked yet.

    So yes, easy to get to 1000W plus, but as I said that's peak, most of the time it's a lot less.
    I don't drink water, unless it's been through a brewery first.

    "The darkest places in hell are reserved for those who maintain neutrality in times of moral crisis." - Dante Alighieri

  20. #717
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by R1Biker View Post
    Hi

    Just a side note. I use a 600W power supply in my PC and a 22" monitor.
    Running off the 3000W 24V inverter, it shows it uses 62W on it.
    Just saying.


    Thanks, yes I know, a PC uses much less when idol. I'm just working on worst case, not that my PC works very hard.
    I don't drink water, unless it's been through a brewery first.

    "The darkest places in hell are reserved for those who maintain neutrality in times of moral crisis." - Dante Alighieri

  21. #718
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by bigboy529 View Post
    I'm a radio amateur, I want to run my entire radio room on battery power.
    Does anyone perhaps know how quiet these inverters are in terms of radio frequency interference, or a couple owners maybe willing to do some simple tests for me?

    I'll probably go for the 4000W 24V, right now my needs are only around 1100W peak having a 600W switch mode PSU, 400W PC PSU and 100W rotator controller, but no harm in getting some overhead capacity for the future and especially at this things price.

    Ideal would actually be to put my linear amplifier on battery power as well, but that will require at least another 3000W, so that will mean a 5000W continuous inverter and then I'll have to go 48V as well.
    I'm guessing there's going to be lots of EMI. It's anyway a good idea to build your system into a box, and if you make that from aluminum and take care of the EMI yourself, it should be fine. I wish I could measure EMI.
    Someone said I should use a first name, so here it is: Marc

  22. #719
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by Thug View Post
    Just a quick question on this Changi inverter.

    Obviously the outlet is too small for 15 amp plug but surely a 5 amp is too lightweight from a power consumption perspective.

    What are people using to plug in a multiplug?
    The small plug is a 6 amp, and 6 amps is good for 1350 W continuous. The UK plug that also fits can do more than enough current, and a 2 prong SA plug will fit, and I believe they're rated for 16 amps.

    And that said, it boggles my mind that the solid little plug is only rated for 6 amps when the flimsy 2 prong jobs are rated for 16 amps.
    Last edited by Mrcloc; 2020/03/25 at 08:10 AM.
    Someone said I should use a first name, so here it is: Marc

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  24. #720
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    Default Re: Impressed with China Pure Sine Wave Inverter

    Quote Originally Posted by Mrcloc View Post

    And that said, it boggles my mind that the solid little plug is only rated for 6 amps when the flimsy 2 prong jobs are rated for 16 amps.
    The older one was over designed with a big safety margin. Today things are designed just to do the job using clever computer designing. Applicable in car structure design and most forms of stuff.

    Look at the thin wires inside a light fitting.

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