diy solar

diy solar

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  • Post in thread: Upgrading AGM to Lithium in RV and retaining slide and awning safety features.

    Some wiring diagrams are on the Thor forums. Also I had some emailed to me by tech support.
  • Post in thread: Eco-Worthy 100w Bifacial panel purchase, shipping and eventual installation review.

    It isn't just Fed Ex, my 4 Newpowa came USPS and one box looked like it was hit by a fork from a fork lift. Panels had no damage and met both Voc and Isc.
  • Post in thread: Is 1380 amp hours too big of a battery bank in a van (3 epoch 460).......

    1380X0.2=276 amps required to charge. 710÷12= 59 amps. The first number is battery bank size times a .2c charge rate. The second number is max output from solar on a good day. The mppt's may get you to 70 with the panels in series and cooler days. Hopefully the alternator can make up the...
  • Post in thread: What are the rules for mixing panels of different wattage or even brand?

    Panels in series Imp plus or minus 10%. Lowest panel current is what you get. Panels in parallel Vmp plus or minus 1 volt. Imo flexible panels are a very poor choice.
  • Post in thread: Off Grid desert nest

    Expert Power 3000 watt/VA? Inverter due in today. Has an excellent manual. Even explains the difference between VA and watts. Also how to figure battery bank size with examples. Allmthe literature says 3000 watt. We'll see. 30 amp ATS, 60 AMP charger both of which I don't need. Again We'll see.
  • Post in thread: Van build - setup design check?

    First do an energy audit of your uses. This determines battery bank size. From there you get solar required. It's a pita I know has to be done for best chance of success.
  • Post in thread: Off Grid desert nest

    About right on the A/C then the specs say 1360 VA or we can ignore VA and call it watts. No other loads for the inverter at present. All goes out the window if my bride decides rustic no longer suits.
  • Post in thread: Off-grid and happy, can you guess what inverter I am using?

    That is how my 4 100/20 victrons are set up. Got 3 after the price drop and easy to change when I make the switch over from 12 volt system.
  • Post in thread: Off Grid desert nest

    Aluminum plate mounted, picked up a brace behind the wall to attach it to. Ended up drilling and taping mounting holes for components. Buss bars mounted and wired up. While retesting all connections I found out the midnite solar breakers didn't like 12 and 10 awg wire. It would pull out...
  • Post in thread: who is still burning wood in april?

    Stone fire ring, not much control over embers. When I can like sit there with morning coffee and watch the sun rise.
  • Post in thread: Victron 'Smart' Solar MPPT's / Manual on/off

    I use Midnight Solar breakers between pv and cc and cc to batteries. Turn off pv first.
  • Post in thread: A quick sanity check..

    @sunshine_eggo even after 50 years # 6 is a good reference
  • Post in thread: Are lithium ion batteries better than lead acid?

    In my case can't hear over the ringing in my ears.
  • Post in thread: Convert Upgrade Mistake

    Not always true! I've had three RV's so far that had DC black wire as positive and white was negative.
  • Post in thread: The "Pimp My Pop-Up" thread! Now with more welds! (Warning! Photo heavy!)

    This how we sit around the fire while burning a 🌭.
  • Post in thread: Correcting poor “professionally installed” system: 400ah 3000w inverter

    This type of thing is very common in the RV industry. The last one we bought was mostly correct and only a few had to be fixed right. Hope it works out for you.
  • Post in thread: Off Grid desert nest

    Batteries came yesterday. Had trouble getting the App to work but ok after deleting and rebooting the tablet. App is fairly limited, shows soc, voltage, and average cell volts. Also internal temperature. Borrowed a lithium battery charger from a neighbor to get the initial charges done.
  • Post in thread: RV Grounding

    This grounding method is typical for the rv industry. I ran mine all to a common buss bar then trough the shut to the frame. Been working fine since 2016, used the same method on the previous rv.
  • Post in thread: Victron DC-DC Charger - Power even when system is off.

    Pull the fuse on the dc to dc and see if the voltage goes away.
  • Post in thread: Acquiring all kinds of strange tools, devices, etc.

    Tools don't last as long. My 20 plus year old road kill (found on road) Milwaukee 1/2 drill is on it's last legs. Not to bad for a highway find. Now to find brushes for it.
  • Post in thread: What was your worse DIY solar mistake ever?

    Been to that rodeo. Added 2nd 105Ah battery to a 160 watt system with 10 amp pwm cc.
  • Post in thread: Roof mounted 4 way tilt PV panel for RV's

    This is the system I came up with, panels are 100 watt. Did the same system when we traded for a motor home. Inch and a half home made z brackets, ss hinges, and nutserts or rivnuts. I'll try to link to the whole thing on another forum. Link...
  • Post in thread: Found Catalog where I bought my Y2K system

    I have to wait until next month to find the receipt for my 1st system. It was 2 -80 watt panels and a Sunsaver 10 cc.
  • Post in thread: Oops, great deal on the panels but pigtail leads are too short.

    For my portable set on the RV I popped the cover and unsoldered leads. Unscrewed the cord grips and ran 10 AWG through the cord grips tighted down and resoldered.
  • Post in thread: Just how terrible is a brass bus bar

    I bought the tinned version. Last month noticed Signature Solar has something that looks the same, is less money and comes with Panduit cable covers.
  • Post in thread: Off Grid desert nest

    I have decided to go with 3 ground mount arrays. 2 will be 4 100 watt panels and the 3rd will be made from the 2 used Trina 240 watt panels. Each array will have it's own mppt cc. At the present time thinking the Victron 100-20 will be my best choice both from redundancy and cost. I will have...
  • Post in thread: How to charge auxiliary battery in F150.

    I use a 120 amp battery isolator. Got it at an RV dealer. Ran 8 awg marine wire to the back with breakers at both ends.. Remember with the truck off the battery in the back is an energy source. Still working since 2010.
  • Post in thread: Off Grid desert nest

    That is the nice thing about the Victron 100/20 click and grunt, it's now 24 or 48 vdc. Yesterday's snow ❄ pic
  • Post in thread: Melted fuse holders

    Cartridge type fuses are the worst for that type of failure. I use breakers or for fuses MRBF. The MRBF fuse isn't meant for that application.
  • Post in thread: If my 12v system needs a 110 amp controller could I use 2 or 3 smaller arrays and controllers?

    I'm setting mine up around 4 arrays and 4 100/20 victron smart controllers. This allows me to switch to 24 or 48 volt at a later date.
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