diy solar

diy solar

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  • Post in thread: Power Being Turned off for Non payment

    Last year a coworker was giving me s*** about the cash I laid out for my solar/inverters/batteries investment. Last week he was ranting about his utility bill of $700! I opened the app from my utility company and showed him my bill and said my ROI is looking really good right now.
  • Post in thread: Who's is bigger?

    46.8 KWh
  • Post in thread: Where is off-grid utopia?

    With California and New Yorkers running Tennessee prices up. Cracks me up that developers build little boxes crammed next to each other and the new comers are standing in in line to buy it up. Meanwhile across the way you can buy a single level with land around it for the same price. They don’t...
  • Post in thread: Battery build #3 gets commissioned tomorrow!

    Dual module(so I can move the beast) compressed (squeeze box). This one will be on a rolling bace and enclosed with a differential thermostat controled cooling fan. Air is only circulated if the air is cooler than the cells and if needed. The voltage and current will slowly increase and the JK...
  • Post in thread: My build thread

  • Post in thread: Surprising cable/buss test results

    I was watching Madi on Digital Mermaid assemble some flexible buss (jumpers), four #8AWG I believe and noticed how low the resistance readings were. This had me confused because I had bigger a cable and my reading were higher. Could tinned cable make the difference? YES!!!!!! My test...
  • Post in thread: Shunt snapped and caused a fire🔥

    I have the exact same rack as the op, however its particleboard was replaced with 3/4” ply and the depth narrowed for more room ( cut rails, some rivets replaced with bolts). It was then bolted to the studs in the wall. The thing is rock solid and have stood on it many times for over head lights...
  • Post in thread: Avoid this so your EG4 6500 EX will not get fried.

    That should not have happened. That circular saw shouldn’t have been able to do that. The inverter is rated at 108 amps for a very short surge and 54 continuous (not that it’s a good idea). That Makita isn’t going to do that. I use two of its older cousins LV 6548 and start table saws, big...
  • Post in thread: Is it possible to have enough lugs?

    My biggest problem is to keep consolidating them into one place. Clear top organizers and write awg/hole size and see what I’ve got at a glance. Always thinking, oh well I’ll probably never need that size again and proven wrong in less than a year. Just about to start another trolling...
  • Post in thread: Do you regret roof mounting your panels?

    Pretty much a case by case answer. Land area, shade, roof direction, roof material, roof age, access, climate. No box answer. I have a Terra-cotta tile roof and no south facing facets so no way am I going to roof mount. Sometimes desperation sets the location. Out of all shadows from 10 am to...
  • Post in thread: What’s your daily SOC range?

    Projected to be 111 degrees here this weekend(always hotter in my neighborhood) Hot air sucks;
  • Post in thread: Compress or not, flexible busbar or not

    Worried about cable stiffness? Think diagonally. The the short red ones are 2/0. You don’t want them straight, but with a bow. When you crimp the second lug on put the bow into cable to lock in the shape and make it more flexible in that range. Remember to keep the lugs rotated on the same...
  • Post in thread: How long can you (and your family) survive if the grid went down for an extended period?

    Probably one of the most important things that many prepper ignore is being discreet and covert. It’s bad enough the world see those big panels, but it’s catastrophic if you have to spend every moment telling the unprepared no or defending your supplies because everyone knows you got it. Stress...
  • Post in thread: My jk bms just exploded after i enabled charge, and i dont know why. See pictures. i need help

    On top of what others have told you about the main leads, it appears that you have the balance connector plugged into the bms. This shouldn’t be plugged in until all the leads are connected to the cells then verified in sequential voltage steps. The black balance leads goes to the most negative...
  • Post in thread: How many of you set your battery max discharge under 20% ?

    How many of us will run out of cycles and calendar aging before our batteries do, raise your hands?
  • Post in thread: Very strange comment re AGM v Lifepo4

    Lifepo4 are usually superior to AGM except below freezing temperatures, or when kept at a high state of charge with little to no cycling like emergency standby or high inrush like starting a large engine ( small bms/battery bank). I’m thinking the guy is getting anxious about the date code on...
  • Post in thread: I got bored, so I spent more money Lifepo4

    Everything’s working better than can be hoped for and the system is virtually running autonomously. I’m looking towards the future and one can never have too much battery. Just bought 16 cells with flexible busses, JK bms, fast blow fuse & holder, die spring for compression and already have all...
  • Post in thread: Inexpensive breakers?

    My lugs are actually sandwiched between the breaker and buss. This gives me eight places for lugs in the future. The breaker had some raised nibs on the back that were easily filled down so the lid could fit down. Really close LOL. Take your time and fit heights. You don’t want stress on the...
  • Post in thread: California proposes “blatant seizure of property” in solar ruling

    I was contemplating moving to Tennessee, but New Yorkers and Californians have driven up the price in the last few years to give me a second thought about that. Developers bought up land, put in cookie cutter houses, duplexes and tiny yards yet the local across the way has tens acres and shakes...
  • Post in thread: LTO battery fire

    The funny thing about this forum. You will get critique, some of which is good for your ego and that’s not, most of which is well deserved. This is a learning location, learn to suck it up, get a thicker skin and use the advice you deem appropriate. Or don’t expose yourself by posting. LTO is...
  • Post in thread: Top balancing, try not to laugh

    Well, all the banana slugs are back and playing well together.
  • Post in thread: Gas generators to be banned in USA

    When the government created agencies that don’t answer the people and don’t have people that are elected to those positions. They literally make laws and regulations without any legislative branch.
  • Post in thread: Compress or not, flexible busbar or not

    The company I work at does this too. I mentioned this to the sales department but it fell on deaf ears. If I can’t explore a site without enabling cookies, I’m out of there. A large percentage of people just don’t want more emails or junk in the system.
  • Post in thread: An encouragement to those who have built their system

    About a year ago my son and I were working in the garage. The garage is extremely well lit with three 8 foot double fluorescent fixtures converted to to LED. My garage door was open and I kept noticing that the cars going by were slowing and gawking. My curiosity got me to come to the driveway...
  • Post in thread: 2024 YouTube Video Ideas

    Home Assistant for Dummies! Will has great communication skills, and doesn’t edit out many oops ( which is learning!) Start with the components and connections, then the actual integration ( entering the desired device/data to be monitored). The later is where I’d be stumbling.
  • Post in thread: Battery Transport by Personal Boat to Island❓

    Batteries? I don’t see batteries, I see boxes marked canned food. ?
  • Post in thread: Wind storm in CA, disconnected from grid

    I manually disconnected from the grid to protect my system. A year or so ago when the wind blew hard I noticed voltage spikes, probably from lines slapping together. That time one inverter went into fault with no codes available, my assumption was it wasn’t happy about the weird supply. I was...
  • Post in thread: LTO battery fire

    I can highly recommend this First Alert/BRK #3120B photo & Ionization dual sensor (not a carbon monoxide sensor) Just don’t do any heat shrinking, soldering or smoking anywhere near it. But that’s what you want, the earliest heads up you can get. No alarm without a reason whatsoever in over a...
  • Post in thread: Have you checked your cell terminals lately?

    They are crimped in a pre-bent arc so they literally drop on the studs. The arc is to eliminate any tension component in use.
  • Post in thread: I am in sticker shock, it is so expensive (wire rant)

    We used to keep metal turning in a “chip shed” outside. One day I found the barrels gone and cyclone fence ripped open, probably by a chain and truck. I made temporary repair of the fence with mechanic’s wire and baited the trap. We filled a bunch of 55gallon drums with beautiful aluminum...
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