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All right, it's time to talk about batteries once again, i'm supposed to do a bunch of videos for you, but due to circumstances inside of my control, i am not able to do it so uh, i'm just gon na. Do this one video that i can do for you, so one of the battery packs that we were playing around with last week was uh these right here, which were uh 48 volts 14s and they have the hb2 cells. These are the super duper power cells that can do supposedly 30 amps uh each right. So it's a 4s so 30 times 4, that's 120.! So supposedly this module here, according to the cell specs, should be able to do about 120.

Amps now is that the continuous or is that the peak rating? I would want to say that's the peak rating, because that's a lot of power right and these little you know come on. I don't know. Well, i don't know. The best way to find out is to actually load it with a big load right.

This is four kilowatts of uh grid tie inverters, probably i don't know each one can do. I think about 30 amps, so 3 6. So this could potentially do 120. We're going to start kind of slow.

The problem is that this is a small battery, so i kind of have to do it kind of quick and then you know, because it'll run out of juice very quickly. I mean it's only 301 hours right, so it doesn't hold a lot of energy, but it can give it to you all at once kind of thing right. So let's run it uh and then we'll measure the uh well, the amperage. What do we do? 400? Amps here is it dc yeah 400 dc.

There we go we'll put it there. Everything's connected we'll just have to connect these to the grid, and then this thing will start we'll put the thermal camera in here so that we can see okay. So, let's start this test all right: let's start the test, so we have two of these inverters connected already, so we should see about 60 amps, maybe 50 60 amps, something like that uh. This is just to check the voltage we're at 57.

Volts 58 volts is fully charged okay, so there's 20 amps one of these boards. One of these inverters it's pulling 900 watts. What about the other one? Okay here it goes. The other one now is ramping up to 400.

So there we go 44, okay, 45 amps. Okay, let's remember we got ta, do this quick, because this battery will run out of juice rather quickly, okay, so 900 900 we'll get these two to do 900, also, 45 amps, and then we'll check the temperature, because that is the best way to know what the Battery is doing if it's, if it's struggling, it'll show it in all right. 80 amps. So let's look at the voltage, 47 volts.

So it's 57, so it's sagging about 10 volts at 80 amps. That is probably about the uh. That's that's! Probably the the the continues that it can pull about 80 amps. Probably let's put the thermal camera whoa look at those cells.

Those cells are looking mighty hot there. What what is the temperature uh? 40.? Okay, they're, not hot, yet they're warm all right. This is reading. All the the ambient let's see can i get this a little bit closer, clearer, that's about as clear as it's going to get.

This is a super low res camera, so there we go uh we're still putting 84 80 yeah 84 amps so 900. Oh this one's! Only pointing 300. and this one's oh wait a minute, the amperage wait. The voltage is down to 44..

Okay, that's really sagging a lot there! Yes, 43 for three, it's supposed to be 58! What's 44! 42 is completely dead right, oh okay, so from four okay. So the battery is kind of warm now, 51.. Okay. So as soon as we see 42 volts, okay, i'm hearing crackling, i don't like that.

What's the temperature still 57 okay, i was hearing cracking from the battery and that makes me nervous. So i got to 57 degrees really fast and let me see here so yeah, that's pretty hot, so i mean we were almost there. I think right now. It's uh resting at 49, volts 49.5 right.

So uh, that's around 3.5 percent. So that's a little bit less than nominal, so about 50 of the battery uh less than 50 of the energy of this battery. Still here right, so we didn't remove uh, all the energy, i want to say maybe 55 or 60 percent of the energy. We remove that quickly because we're really loading it.

So i i got nervous because they start cracking what happens. Is the crackling is indication that maybe pressure is starting to build inside the cell? Now these cells are among the most safe in the world because they have that the rigid canister. So if the pressure builds inside the cell, then they have a vent, a valve that will release and then they will vent right, and so they won't. They can't explode right um, but once you got ta sell the advance, then that's it.

Your does. That battery is not completely dead, but now it's compromised. You know that's never going to be a hundred percent anymore after that. So that is a clear indication that you have gone too far, and so maybe in my opinion, 80 amps continues on this pack.

That's too much. I've run this test off camera before at 70 amps and at 70 amps that none of those problems happen. The temperatures stay lower than this and i was able to remove the entirety a 100 of the energy of the battery, and so i, if i were designing a pack - and you know i would say - stay below 70 amp amps uh continuous on this one, even though The cells are rated for, like you, know, 30 cells, 30 amps per cell or something which is 120, but that's just momentary. I think that's peak, that's for like one or two or three seconds or something like that right, just to start up a motor or something like that uh, but continuous yeah, i would say, uh stay below 70.

now i have an idea how you can uh what You can do with this, and let me show you, let me clear the table here and i'll show you in a moment: okay, so we're in the battery business and we get all kinds of different things that are related to batteries, including stuff like this. These are, i think we have like a dozen of these uh rack mountable case right. These are very reminiscent of the uh, those like in the 90s and the 2000s we used to. I used to be in the sound system and amplifiers would ship in these uh rack, mountable cases right, but now, these days a lot of these batteries, the home batteries are starting to pop up in these rack, mountable 19-inch standard, rack, mountable cases right and so a Lot of stuff is like lithium-ion phosphate, and this is our stuff right, so i'm like what, if we were to put see if we could put some of those modules into here, these modules did not come in here.

This is not where these come from. I just took this box, which is empty uh, remove the few pins that are inside there like these. These are uh standoffs that they had some other equipment in here other batteries. This is a battery box, sonan lfp, so it's a lithium-ion, phosphate battery and i'm like well what if we can fit in here and i'm like? Oh, they look at that they fit they fit really well.

So if we were to put them for example, this way right here are the uh. Well, here are the uh, the terminals i mean they're, all like right here. So if you flip them around the positives here and the negatives here and all you just have to do - is run a bus bar this way and then the bus bar this way and then uh run uh. Maybe like a pcb here that then then you can connect a little because remember these.

Have the these have these things right? This is our all. The balance leads right, and so, if you just run a pcb here with that connector to that the mating connector to that uh, which is right here right, then you can connect all of these one, two three four five packs in parallel and then packs in parallel. So imagine right: we just did the test and uh at 80 amps per this module. They got too hot, but at 70 amps at 60 amps at 50 amps.

These will run nice and cool right. I mean they'll get warm, but they don't get too hot and so they'll there's uh they're safe to run right. So imagine this could be a 48 volt rack mounted battery capable of 510 150 200 250 amps right. You could load this uh by the way it's got this little uh.

These are the terminals i don't know can are these capable of 250 amps uh? Maybe i don't know that'd be a nice test, so i was like what, if we put some of those in there, because we have a bunch of these modules and uh just do this. Experiment like run, make our own uh 48 volt rack mountable battery pack capable of 250 amp continuous. So here's my question to you: are you interested in that kind of project? Should i do that? We only have about a dozen of these, so it's not like. I could do this, make a bunch of them.

Everyone could buy one right. It would only be a few of you guys, but the thing is that we are getting a lot of this stuff that will allow us to to make this sort of stuff right like, for example, battery boxes are really really expensive and that's the reason why i Don't have a full system that i can push right, remember those ones that i was doing here now. These are like discontinued or something they're really hard to get, and i experimented with like doing my own right like ordering material, and then you just like do things and in fact the the next video that i'm working on and the last one that i did where It was a complete like beginning to end diy power wall thing. It included a video where i showed you guys how to make your own battery box, because they're too expensive to buy like an electrical box you're talking about 500 bucks just for the metal box before you put your battery in there right and so for a lot Of the diy crowd that is looking into building uh diy battery for their house they're like wait, i have to pay 500 bucks for just for the box.

It's like that's a bit too much right, and so that's the problem that the the casing right, the enclosures for batteries are really really expensive, except if you reuse some of the stuff, then it becomes really cheap, and that is the case right now. We have these huge inverters that just came in they're three phase they're about 25 kilowatt inverters uh. A lot of them are clearly labeled that they're faulty and so they're they don't work, and so a lot of them are. There might be some good ones in there, but the problem that i'm having is that? Well look, you know the average person doesn't can't use a three-phase.

You know 525 kilowatt inverter. So i don't. I don't know if the market exists. For those for me to go and do a bunch of tests and find the good ones from the bad ones - and you know, do all this work to see and then and then have uh three-phase inverters uh that are grid tied, that nobody really needs.

You would have to have like a industrial, commercial building, property or something, and then you want to you know, fill it with the solar panels and then you would connect these inverters, but because i at least some of them are faulty like we can just gut those Those boxes right because they're big big boxes and we could just fill them with batteries. I mean these are already rated to be outside so they're sealed they have steel compartments, they have fans in them. They uh they're, tough they're made out of uh like steel. Some parts steal some parts of aluminum and i'm like whoa.

We can sort of do this sort of stuff, but like on a big thing right. So, if you're interested in that sort of stuff, let me know right if there's a lot of you guys that are, would be interested in figuring out, because it takes time all these projects right. I have to sit there and measure and do the thing design. The boards design the things design, look for the fasteners and the it's like quite a bit of work right.

But if there's enough interest out there with you guys and figuring out how to how to harvest one of these boxes right that it's an inverter. But in this case you could put it up in your wall and instead of being an inverter, it's a battery right and i could. I think i could they're big enough - that i could probably put like 10 kilowatt hours worth of uh batteries in this form. Right with our boards and the thing or whatever right so yeah.

Let me know in the comments, because if you're interested in this we'll do this little project just to get our hands dirty with that and then we'll follow up with that. Other those big boxes and those we have more, we have about 50 of those or whatever, and i have to figure out what i'm going to do with them, because they're occupying quite a bit of space in my warehouse and as the new loads of batteries come In then, after that, i'm like hey, i need that space. We need to get rid of the stuff, and so it becomes much more right. Now, i'm good.

I have space, but eventually here uh next month or the month after that, i might be itching to get rid of those things right and instead of i want to be able to that's what i do here, try to find useful things to do with all this Stuff that has some value right. If you're clever enough, if you're you know you can, if you can use your imagination and how to do it so that it doesn't just go to the scrapper uh and like or or worse, to the landfill to trash and then landfill or whatever, right um. So that's just what we're doing here, and so we can reuse some of this stuff, then the better for everyone. I think right so put it in the comments.

If you guys are interested in those sort of projects, i will be able to gauge if there's any interest and then just go for it right all right. Thank you. Guys, we'll see you guys on the next video bye.

11 thoughts on “What should i do with all these inverters?”
  1. Avataaar/Circle Created with python_avatars Marc off the grid Germain says:

    ship to Canada and i could do something with it

  2. Avataaar/Circle Created with python_avatars K B says:

    We have 3 phase in our residential garage ๐Ÿคฃ๐Ÿคฃ

  3. Avataaar/Circle Created with python_avatars (EMCยฒ) ELON MUSK COMPANIES โ„ข says:

    You ask what you should do with all those inverters right?
    Why don't you send a couple of those my way will really appreciate it!
    Cheers!

  4. Avataaar/Circle Created with python_avatars facundo gomez molina says:

    Enviemelos a argentina, estoy empezando mi negocio de instalaciones solares rurales

    Send them to Argentina, I'm starting my business of rural solar installations

  5. Avataaar/Circle Created with python_avatars Meretsegar says:

    Hi there, just became a patreon – just wondering if on patreon I can ask a question – ie how to hook a specific ebike battery connection to a bluetti- cheers

  6. Avataaar/Circle Created with python_avatars Alfonso Estrada says:

    I legit did the same thing lol with the tripplite ups battery packs 72v rack mounts I gutted them out and put my medical packs from batteryhookup I have like 2kw inside themโ€ฆyouโ€™re still the ๐Ÿ๐Ÿ๐Ÿ๐Ÿ๐Ÿ๐Ÿ๐Ÿ๐Ÿ‘‘๐Ÿ‘‘๐Ÿ‘‘๐Ÿ‘‘๐Ÿ‘‘๐Ÿ”‹๐Ÿ”‹๐Ÿ”‹๐Ÿ”‹๐Ÿ”‹๐Ÿ™Œ๐Ÿฝ๐Ÿ™Œ๐Ÿฝ

  7. Avataaar/Circle Created with python_avatars Amber Smith says:

    i would like to have one of those 3 phase inverters if the price is right i will sure with you how it can be easily used NOT connected to grid i build and modify inverters

  8. Avataaar/Circle Created with python_avatars Andrew Cuomo says:

    Investing in crypto now should be in every wise individuals list, in some months time you'll be ecstatic with the decision you made today.*
    .

  9. Avataaar/Circle Created with python_avatars Freddyjavier Vivarfernandez says:

    Se ve bien. Los inversores

  10. Avataaar/Circle Created with python_avatars plojm123 says:

    I want those conext inverter also

  11. Avataaar/Circle Created with python_avatars Guysgt500 says:

    I want an inverter like that where can I get it in the states

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