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Now the next owner is gonna be like "What in the hell was that guy thinking, and what is that plug for ???"

Do it right means have a plan and don't buy anything else until you have your design down pat. First order of business is to drive those panels to my house here in Colorado and unload them. I'll hold on to them while you plan everything to keep you from doing something silly ;)

I see from poking around on the website - din rail is what is intended... When I get round to it I'll splurge and get the rails. And now for a word from our sponser - or afternoon humor Sloppy and frugal reminds me of my mother's second husband. They put a cheap 3ft tall 10ft round above...

I love all the old torque wrenches, but from several years in the Navy spent working in the calibration shop I can tell you they do wear out and go out of calibration. The snap type work by a spring against a block mounted to touch the head just before the pivot point. If the springs get any...

One reason to skip on the Sol-Ark is that it is a high frequency inverter. I have pretty much decided on the victron multiplus series or a midnight solar model. Do your research on the topic before deciding. Also the mppt is aio inverters can limit your string voltages or amps. More research.

Before pooping on the MRBF read the thread. The current used was a massive hit far in excess of what you would expect in a normal install. And it did interupt the current and extinguish the arc. There was a large flash and the plastic shattered from it. Interesting thread. If a spark is a...

The 1035+ meter is a 4 wire micro-ohm meter. This takes the the resistance of the leads out of the mix so you can measure tiny ohms. The type of meter also allows it to accuratly measure micro-ohms while power is applied. Ordinary ohm meter applies a known dc voltage across the resistor and...

So, lemme get this straight, the fuse was given a massive over current and it blew with some firey results. It prevented an arc from forming. Pretty much what it was designed to do and if this was connected to wires and equipment it would have prevented the wires from melting. I can't recall...

Hey @sunshine_eggo - look at this - I knew I didn't get this idea out of thin air - cross tying batteries

Ok, well I still plan to become a Morlock, yall can all come to be dinner.... uhm I mean for dinner... ;)

If you are going to pull that much current it makes a lot more sense to switch to a 48v system. Current drops by half, as does the wire size and fuse size. I would use the actual class T holders verse having to buy a lot of the Lynx. At those current levels ANL and Mega will generate a lot...

I realize this is a lot to read, but the results are really worth it if you think about it - especially you Dadoftheturkeykids given where you have your setup. I was worried that my hasty calculations were wrong from yesterday so I redid them using 1 meter of cable -- and my old college...

@Hedges mentioned some of the midnite breakers can be remote tripped. Those seemed really interesting for some of this sort of thing. I really like the 10x10 shipping container... The wood floor could be removed then pour concrete into it from the outside, or leave the wood and put durock and...

I am coming up on 1k posts and I am not available, just ask my wife :)

That is and isn't true at the same time. With passive balancers it is true, they typically can't keep up with the charge/drain cycles and never equalize before the cycle starts over.. With good active balancers that can keep up with your drain/drift you can run them like that as long as you...

A raspberry pi with sensors tucked in around the room and in the gear. You can do the 1-wire sensors on it and tack on as many as you like. Each has its own ID so simple enough to label them all. I used to use one on a wall behind and a few feet in front of a resistive heater to track ambient...

Clear we differ in opinion on how to do it. By filling the cup and having the solder liquid when the welding cable hit it the heat transters to the wire and the solder wicks up into it. The cup needs quite a bit of solder or the whole thing goes cold when you put the wire in. Once you figure...

I probably have 20 of them from when I worked at a home depot in college. Guess how many I can locate on a given day? Hint - I am married

Shunts are made by embedding the conductive strips in the end pieces, either by casting around the strips or solder/braze the strips to the ends. Then they make cuts in them to calibrate the resistance to the correct value. For the soldered ones they can reheat and move the end slightly. The...

One big difference between your setup and the OP is he was working at 48v verse 12v. Doing the math - each battery has internal resistance of 2.72mΩ before a short cell. Put all of those in parallel and you get 0.388mΩ Now assume the batteries are at 55.2v (16 * 3.45) If we just do ohms law...

So, parallel bus bars verse two cables of the same cross-section area, if the cables are crimped such that there is a cold weld at the end they are the same difference as the bus bars. Now if you stuff two wires into a single lug and eliminate the second connection so long as they cold weld...

Don't forget about the self-heating LiFePO4 batteries. LiTime puts out a few. The downside is the heater takes power, so depends on how much your solar panels put out verse how much it takes to heat them. The heating is temp sensitive so only on below a certain temperature.

What we worked out in your other thread was to fuse your 4 batteries at the bus bar and depend on the BMS to stop current at the battery. Or fuse at both ends. The fuse is silver compound filament over ceremic. It isn't a little piece of plastic. The AIC is around 10,000 amps. The case is...

My Coop has sent similar with a little more blunt language making it clear if anyone comes around representing a partnership with them to please call the business office before letting the person into your home. They make it clear that NO such agreements exist and they will neither sell you a...

No power. The weather station is solar powered and wireless to the data logger, which reminds me I need to find some sub-c batteries and replace them. The original station which was destroyed by a direct hit was POE 24vdc with ethernet cable. It did $10k of damage in the house. Thanks for...

Ya know 35 years ago when I was stationed in Lemoore CA they had an emergency generator for the OPs side of the base - it provided power to the air traffic control tower and a bunch of other stuff. Someone told me it was an 8 ton flywheel attached to it. I dunno for sure but it looked like i...

Having used chatgpt since it was released one thing I can say for certain is everything it says should be verified. Another thing I can say is that it is lousy at math, especially if there is any sort of unit conversion. I tend to think of it as as an eager 10 year old who is certain they are...

Digikey has fair prices on the holders but not fuses. On fuses google is your friend. Seems like one vendor will have a specific value cheaper than the rest. Then the opposite true for others. And there are 3 different mfg that I can see - bussman, littlefuse and another that makes them with...

I plan a block house capable of containing a small tactical nuke going off. :oops: Actually, I am planning a 6ft x 8ft building separate from the house to put all batteries and electrical in. Underground grid coming in on the side closest to the road. Then a pair of 3" conduits to the...

You can order cases of rock wool insulation thick like the pink fiberglass from home depot. The rigid ceiling tile boards won't burn but will pass some amount of heat. The low density stuff (2 in thick)you can hold a MAPP gas torch on and it doesn't smoke, glow, or catch fire. I tested it...