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LiFePO4 Akku aufgesägt! 1,2kWh | WANROY 12V / 100Ah

Mar 19, 2024
I looked there. I'm almost excited today. I have a quickie for you. I hope one day there will be one. The WANROY or WANROY company sent me a 12 volt, 100 amp hour battery, that is, 1.2 kilowatt hours that is already intended for iron phosphate. I actually know my preferred chemistry is lithium batteries because they basically can't go up, the battery can be charged up to 14.6, the manufacturer says I'll turn it on, see if the surge cutoff works. We might be a little excited last time when some people complained about this, it comes from the power supply, it's only 16 amps and we just saw that when it gets to 14.6 volts it shuts off here, so the power cutoff surge works, it also fits because the cells Chemistry says 3.65 volts per cell and there are four, so yeah, you can calculate it, this 14.6 volts, then I'll discharge the thing, see if you can get close, I can handle 20 amps, which is with 0.2 C discharged for 5 hours, it will be 20 amps and now let's see what capacity comes out, I always do it so that I connect each device to the battery first. via resistors that are now up here because depending on the input rate each one can moderately hit 13.8, let's see what happens 140 watts 10 amps so I would have to go further to see but the 20 amps I would have to grab because it is at 380 watts at 20 amps 12.9 volts there are 357 watts that you can put a little bit here.
lifepo4 akku aufges gt 1 2kwh wanroy 12v 100ah
Be careful with the guy because otherwise he will ring again and now we will see if he can really deliver the 100 amp hours. See you again in probably five hours. You are not interested in such a short interruption. I have to interrupt at 14, 20 and 27.88 amp hours just with that. You are not yet irritated because the screen will be down. Now we have another 3 hours. , 50 hours more than 75 amps. That should be fine in terms of sum. I will add this sum again, but it should come to 100 amp hours. Now let's get to the fun teardown. Dude, everyone looked there.
lifepo4 akku aufges gt 1 2kwh wanroy 12v 100ah

More Interesting Facts About,

lifepo4 akku aufges gt 1 2kwh wanroy 12v 100ah...

Sometimes there isn't as much inside as you think. It's because the tractor never opened when you thought, so the cells are here. I will say that they are in a protective casing. She thought of something if the guy had been more careful when opening it, but what could really happen with the batteries and the metal parts, how much packaging comes out, so it's attached, it's all the klatrad touch, but what is it? For the configuration there are four, six, eight, that's a parallel, oh, so you have to have a little fun gluing it together. The material is brutally stable, so even when bending it open, it takes a lot of squeezing to separate it.
lifepo4 akku aufges gt 1 2kwh wanroy 12v 100ah
Always use the right tool to solve the right problem. Problem like or and now, of course, some of you are wondering why the recipes were ground before, so with the flex, set it to the correct value. Yeah, the idiot thought it would be totally awesome, but he could open up and then do it and then. You can see the inside and the idiot overestimated its power or something, so wait a moment please, I already mentioned that you have to be very careful and it's not fun with these currents that things give off, it can cause welding and if you cut it like I did a little careless then you might as well get past the BMS and then you will have completely unprotected outputs which is not necessarily fun so first of all accessories for protection here I made the net for the temperature sensor so you can see directly.
lifepo4 akku aufges gt 1 2kwh wanroy 12v 100ah
Go ahead, you're asking around, that's how it's kind of good now and now we get to the question of all questions: what kind of cells are they? They glued the pressure relief valves shut. I'm moderately excited about this and here it seems. They pasted something on the QR code. There is a QR code below. When you get there, of course I can't do anything with it, so here's a pressure relief valve, open, there's stickers on it, so that's it. What happened, that's not intentional, but I don't understand a little complicated. Now let's first see what he wants to have found there, so that's what's stuck on top and now let's see what's underneath, so that's a little strange.
AFC 300 AFC 310, whatever this number means here or AC 2, I pull out yours, of course it can be the serial number and here's one stuck on top, here's another AFC 310 like that and now you read the code on some time, let's take a look. and now I can guess what will come out when I decorate the things, yes I was really stumped because they are good. Tell yourself how much profile fits in 52 amp hours per cell, so there's 105 amp hours here in the package and you can see. which are connected in parallel here and are from March 2022 and either the first or the 26th.
It's not directly from one batch but it's not something completely different either, so you can't really say it's a bad batch and I miss it It's just that even the one stuck on top is actually the same thing. There's something else stuck on top that we could now try as an example, since at least there's some aluminum foil here. Okay, we wanted to know. It looks good, so Not only did I put a sticker on top of it, but that's what I call the protective sticker now like that with a window. I just scratched it to make it look like the original cells are fine, what did they do there? soldering itself is a good idea, yes, so it's a bit sharp.
But I have to say that something was glued on top, so okay, these are all the balancers and test points that are glued here and here is the compression, the cells that are The non-parallel ones are isolated from each other here, as I asked recently , you should pay attention, that's right, I forgot that they are parallel, that doesn't matter, but the outer wall here obviously has potential and therefore will expand a little. Why I spoke quite badly last time because I spoke in milliliums instead of 0.0 million, but I hope you can fix it. The cells are only a third charged again.
I already did it last time. I'll just do it Now it's always like that that's not standard so it's not the resistance that's on their data sheet but last time or they say they were still correct when measuring so now let's see there will clearly be shoes a lot better, that is. 0.4 million The cell here then has 0.45 million 0.45 0.43 and you saw the voltage, which was now 3.29 volts, also 3.29 volts, also 3.29 volts, so it actually worked quite a bit. ok now let's take a look at the temperature sensor which could actually be a PTC overshooting the low temperature, let's try again my 50 amp fear fuse or against fear, it's surprising there's no short circuit down there, power at 16 amps, That's how it's set up, it's time for the cold to pass. spray, so now you should turn off the charging current because it is below two degrees or less.
I have to check it out, I'll take a look when I continue here. bubble oh, did you see that? It turned off, managed to turn off the low level. temperature, I am delighted that they say that the charge should, that is written incorrectly, should be exactly between 5 and 45 degrees. It can also be -20° and now we were well below 0 and it would be damaged if it was cold and that is the question of how to recover the voltage. 13 volts, okay, okay, so the battery mode has been disabled by the power supply, yes, but now of course there is still excess temperature to burn a flashlight or something and zero. have you seen 0 that has detected excessive and low temperature I'm almost excited no, I'm excited I had to know that if you put a spray of compressed air on your head, it's a cold spray, without low electricity.
Now I could do it for hours. It works perfectly. I think it's the first one I have on the table that does all that. God, that's the temperature sensor. Now I'm not sure if I've booted it, which is something else you need. know: they cannot be connected in a row at will, that's what they say here, it also reaches a maximum of 48 volts, because and in extreme operating conditions, of course, if one of them turns it off, for example, the BMS gets a little more voltage starting on Saturday, so in principle they have to be able to reach the maximum voltage, that's why they could go up to 48 volts and for everyone who wants to know what will start. now, you can check it here, but we forgot something, you have six AWG here or alternatively, one 2 3 4 immediately 5 times or five times siliconized 12 AWG.
I'll show you the current values, it's stuck here and it also holds and since there is an insulating layer in the middle anyway I have no problem with the BMS being insulated again against the battery 8 I have no objections to this, here is the heatsink heat so the heat goes up here, yes for a short time, that's for stabilization, but everything is fine, compact after my cutting action here, so I would just call it waterproof to describe everything, it's closed, but everyone has this design, it was very difficult to notice, so in summary I have Nothing to complain about, I just wonder about these cells, about the circuit of the cells, about the slightly stuck pressure relief valves, so now it's on the boundary area.
I don't know why something like this was partially achieved. above the stickers, it looks like they still have the Handke Balance here, the cells are new, but they don't look used, so although I only briefly had suspicions here, I think it happened when I was trading, but otherwise Handel Maja I was happy, but Otherwise I have no objection to temperature being detected. The BMS reacts correctly. Undervoltage is detected. Overvoltage is detected, so a disconnection of the household voltage is detected. To call off the move, maybe we could have remembered the temperature sensor, okay, but that's it.
I can think about now, it's weird that I can't find anything now, okay, so let's move on to it, don't worry until the next video.

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