Good afternoon all so this battery is essentially built. All the connections are on and the active balancer is on the top and it's working so the first thing i thought i'd do before i attach uh the new bms with this flying lead. I actually took this off the old bms, because the connector is the same, saved myself having to do all that soldering again, these will be connected onto more of these little three millimeter holes on the connector boards yeah before i attach. That is just run across with a dmm and measure, all the cell voltages to see whether this thing is uh, balancing them all and making them all the same.

Let's do that now right here we go. This is going to be quite a long shot, so this is most negative end. I believe, that's not on 10 amps, which is good, let's check that first cell 3.2, next cell 3.270, next cell and remember these are essentially groups of four cells. In parallel.

Three point: two: seven one. Next one three point: two: seven: zero. Now that's one millivolt of difference! That's pretty impressive! Uh! Three point: two, seven one three point: two seven zero meter seems to be quicker to settle in negative voltages than in positive. What's that all about? Can you see that no, you can't 3.271, let's come in from a different angle and the final cell 3.270, so yes they're all within one millivolt of each other.

I think this balancing board is still working and doing a very good job. Now i've been doing some soldering this morning, so i've sold it on uh. This was a yellow ring terminal which is about the right size to go on to one of these these nuts. Here, i think, that's about the right size, so that's my pack negative.

Then battery negative goes into an xt90 the negative side. I hope yes, that's the negative side, then, on the positive side, i've got a fuse holder in there. If i can get it out, there's a 30 amp automotive fuse which we'll do for now and then there's another. This was a yellow, again crimp terminal which i've soldered uh, which will go on to the most positive end, one of these nuts over here somewhere.

So, let's get that all on, so that my new bms this is the 40 amp uh discharge and 20 amp charge bms. I think this chinese writing here says with balancing, but the balancing in these bms's is so puny. It's like 20 milliamps or something it's not worth worrying about the active flying capacitors balancer on the top does a much better job i'll get some more nuts and bolts put all these on points on here and let's get this connected up ready to take out to The shed uh, not very good lighting today, because the sun's gone in it was out this morning it was quite nice um, that's strobing, isn't it. Why is that? That's probably because the uh lamp on dim is pulse with modulating, let's put it on full brightness.

That's better! That's not strobing right, so i want this sat down around there, so i'm going to bend this this is this super flexible wire bend that back and attach it to the most negative point, which is here so one of these bolts i'll, attach that on i'll do That, first right, so that wires attached onto the first set of boards. This is the most negative point here. I could have put it out there, but there's no point um. When i carry this out to the shed, this will have to sort of dangle down below beneath the battery uh, so that would be fine.

The xd90 needs to sit on the bench like that. This now there's nothing connected to that. So i can attach this with. No worry this should attach over here somewhere.

So let's do that next then i'll disconnect this 9-way connector and bolt all the balance wires on now. What i should do with this uh balance. Cable is, i should uh cut all these so that they're different lengths. So i can come up from this side and then run across and attach to all these connection points just at the moment, so i think i'll just use it as it is, and it won't be neat, but actually i got another one of these because of course I've got the one that came with the bms, so perhaps i'll work on that one sort of over time.

I just want to get this done at the moment, get it out to the shed. So let's get this just attached and it won't be terribly neat right. All these um cables are on for the bms. I was a bit nervous at this point, plugging this in actually i'm just going to check before i do that, whether there's 24 volts on here - oh there is - which is interesting.

So how does that manage to conduct um if it's actually not getting any power? That's interesting! How does that work? I have to have a think about that. Well, now it's not conducting. I put that in there no conduction through the vms, so is there some residual voltage on these pins? I don't know, but i'm going to plug it in now, with all the different voltages on it live on camera, scary, okay! Well, it doesn't seem to have blown up check this again that should be conducting at this point and it does yeah. So my light bulb comes on 24 volts to the light bulb, so that all looks good.

I think this is now ready to go out to the shed. I haven't got a third balance lead on with the standard jst 0.1 inch pitch xh. I think it's called, isn't it for my little battery monitor, but that's not essential. I can add that later just want to get this in the shed hooked up to solar, okay, there's not much sun today, get it charging and get the solar crypto accumulation machine back in service.

Let's take it out to the shed. So, let's take a look at it in situ. Here it is looking good. Oh i'm blocking the light, uh yeah! So there's the battery pack active balancer at the top bms.

Here i've repositioned one of these uh wires to act as a sort of cable retainer fuse. There 30 amp fuse in there. It's all hooked up. The bulb is back in circuit now.

This is all fine, but i'm a bit concerned about all this water there's a lot of water on the desk. Here you can see quite a lot of it here. Actual drops of water, there's water been dripping down on my led supercomputer there and it's coming from the ceiling. So you can see up here, there's a lot of droplets of water and i don't think the sheds leaking.

I don't think it's that there is a lot of moisture here, though i think it's condensation, because if you look at these two bottles of glue here, try and get close. You can see. There's condensation on here up to this point and that's where the glue in this bottle that's the level of the glue up, above that this is dry down below this is all wet. So i think it is just the amount of moisture in the air and there is a lot and then, of course it freezes because we're getting temperatures just below freezing overnight and that's resulting in it then thawing out during the day freezes on the under surface of The ceiling that creates little icicles and then it um thaws out during the day and drips down onto my bench.

It's not so bad over this side. Oh it's too dark to see that is that really so dark yeah! Let's turn this lamp around and you go um. Yes, it's not survived on the vocoder side, but i think that's because that's on the south side of the shed, and so it gets the what sun there is, is on this side, the shed, but there's no water. Over here, no, the water is on the north side of the shed, which of course, doesn't get dried out quite so much and of course, it gets colder on the north side of the shed.

The only thing i'm thinking is if this is water that has frozen and then evaporated, no, it hasn't evaporated, though has it no. So i was thinking it might be: deionized water, but it's water, that's in the air, then it freezes. Then it melts again. No, it probably isn't deionized, so this probably could i mean there's even water on this relay here.

I don't know if my camera will focus close enough um. I noticed little droplets of water on top of there. I'm not sure if i can see them at the moment, but yeah water's got onto that circuitry, which is not good but anyway um. I need to figure something out, perhaps some sort of cloths or sponges, which i'll just rig up on this ceiling to catch.

The major drapes and the problem is these strips: go all brown and yucky that one's a bit brown there because of the bitumen in these roofing panels, but anyway, that's not electronic. So back to this there's the battery um. It is now charging from solar. Although there isn't much sun, let's see what we're getting we're getting 290 milliamps coming in from the big solar panel, so this is charging very slowly 26.5 volts when that gets up to um.

I think 29 volts, then that will trigger another mining cycle, so i'll keep an eye on it and, of course the um pro hashing account will keep a record of all the mining cycles um but yeah. This should take over from the bicycle battery, and this should have longer mining runs, so we should see higher amounts of crypto entering the crypto account, but anyway, that's it for the moment, that's in situ that will gradually charge up and at some point it will trigger Another crypto mining run so for the moment cheerio.