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16 thoughts on “Bluetti 1500 power pack sinewave test”
  1. Avataaar/Circle Created with python_avatars flitsies says:

    You could build a good battery powered power bank like that blue yeti box from an old gas powered generator as they have often got decent inverters in them that end up going to waste.

  2. Avataaar/Circle Created with python_avatars flitsies says:

    It turns out that some people have tried to charge their electric cars with a generator only to find it won't work but the reason for that tends to be the type used, when they switch to a pure sign wave generator it works.

  3. Avataaar/Circle Created with python_avatars Houston Firefox says:

    It's not enough to worry about. The fan motor is introducing noise on the line is all.

  4. Avataaar/Circle Created with python_avatars thagrit says:

    You should test it while it's driving a refrigerator. An electric heater is a resistive load. you need to look at what an inductive load does to it.

  5. Avataaar/Circle Created with python_avatars Ghl Scitel says:

    We have an average power blackout time of 2 hours per year.

  6. Avataaar/Circle Created with python_avatars James Holbrook says:

    Not perfect but good enough

  7. Avataaar/Circle Created with python_avatars Joshua Spires says:

    Resistance load is a space heater or condescend light bulb. A motor is a inductive load.

  8. Avataaar/Circle Created with python_avatars RC says:

    Can anyone suggest me a best power bank. I want to buy but I don't get the best name

  9. Avataaar/Circle Created with python_avatars Derek Woolverton says:

    Once apon a time when I wrote software for inverters that were designed to be tied into the grid, we would test our waveforms with a very expensive scope that would measure the harmonics of the sinewave. Anything more that about 2% harmonics was considered un-acceptable to the power companies. Often enough we would add filters to make the shape of the output acceptable at full power, but have the worst harmonics at between 25-50% output power. If your scope can capture the waveform to a data file, and you could import it into a jupyter notebook (online math tool), you could probably calculate the harmonics and have objective criteria for judging these products.
    It is the harmonics which cause heat, electrical noise, and other ill effects in certain power supplies.

  10. Avataaar/Circle Created with python_avatars DStray Cat says:

    Great video ๐Ÿ™‚ I'm following another guy's channel where he reviewed the Newer Model. However, he did not look at the Sine Wave… Just it's performance… Although it looked great, you take it to another level… ๐Ÿ™‚ I love it ๐Ÿ™‚

  11. Avataaar/Circle Created with python_avatars pancudowny says:

    I have a test for it:

    Power an old tube-style amplifier with it, and see if it causes the amp to make any odd/unusual noises as it's put through it's paces. If not, there's no problems with the sine wave produced by the power pack.

  12. Avataaar/Circle Created with python_avatars Zohan says:

    something make noise in your backgroud and it squeaks AF, maybe some inverter or a power supply?

  13. Avataaar/Circle Created with python_avatars dominionfalls says:

    Didn't charge it back up before returning it ๐Ÿ™„

  14. Avataaar/Circle Created with python_avatars Chopper Dave says:

    Thanks for the addendum Jehu. Got a link for that oscilloscope?

  15. Avataaar/Circle Created with python_avatars Gwydion67 says:

    Poor region, so many outages…
    Like to move to Germany?๐Ÿ˜‰๐Ÿ‡ฉ๐Ÿ‡ช Ok, even we had a 20min outage this spring (I only noticed by checking the daily history of my inverter / battery, lol), but it was the only one for at least a year or more. Ok, our climate doesn't require those power-eating aircons (at least not for private households), that stress the grid.๐Ÿ˜…

  16. Avataaar/Circle Created with python_avatars DIY IN THE GHETTO says:

    Now do a tear down ๐Ÿ™‚

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