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  1. S

    Lifepo4 QR code scanner app?

    Do they make an app for Apple iOS for scanning the QR code for lifepo4 batteries? Only one I could find was for android
  2. S

    FB marketplace would you buy these?

    This is the description listed for $400 not sure if that’s each or for both what do you think. “LIFEPO4 BATTERY MODULE 48V 100ah (TOTAL OF 2 UNITS) these Units sell for over $1800 each, wit a grand total of $3600 I have not tested them because they were removed from a corporate office...
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    Lifepo4 power tools?

    Is there any power tools that use lifepo4? will we see this in the future? Can we make our own DIY?
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    Victron what are my options for display/not having to use app to control it?

    Looking at the Victron 150/45 what are my options for a display & controlling the device without having to use an app/phone ect?
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    Dewalt usb-c charger + solar panel help?

    I’m looking to charge my dewalt batteries directly from a 100-200watt glass solar panel With there new usb-c pd charger. I found a buck converter that will work but it’s only 15w I’m looking for atleast 45watts any help? USB-c buck converter I would just crimp mc4 connectors onto this...
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    Genasun GV-10-Li-14.2V, 10.5 A MPPT Charge Controller & 150watt panel compatible?

    Can someone double check if these two are compatible I’m under the maximum VOC but the charge controller says 140watt maximum & the panel is 150watts thank you. (Battery will be bioenno 12ah part # PVC, BLF-1212AB) Genasun charge controller Specifications: ^ Max. Recommended Panel Power...
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    All in one 12V 2,000 watt?

    Is there an all in one 12V 2,000 watt unit or would I have to go up in voltage?
  8. S

    Eg4 bright mount?

    Can anyone post photos/videos of the new “Adjustable Angle (25-45 Degree Adjustment)” every review I’ve seen is of the original design without this feature.
  9. S

    150.8 VOC on 150v SCC?

    There are used 245 watt panels with a VOC of 37.7 each for $50 each on FB marketplace close to me. My plan was to use a MPPT SCC with 150voc max could I use 4x panels in series? 37.7 VOC x 4 = 150.8 VOC I was hoping this might be possible since the panels are used? (Northeast USA NY it...
  10. S

    Li Time 12V LiFePO4 Battery! 300-500A Surge?! Low Temp Protection trolling motor

    $340 current price Excited about this I hope they come out with a 24v 100ah low temp cutoff version
  11. S

    How much wire do I need?

    Planning on building a 24v 2,000 watt system very similar to wills using 4 gauge wire for everything except the 24v to 12v buck converter & PV wire. Do you think 10ft of red & 10ft of black 4gauge is correct or can I get away with less...
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    charge controllers that have low temp protection?

    been researching SCC that have low temp cutoff/protection (so i can use budget lifepo4 batteries) these are the ones ive found so far any victron smart SCC + smart battery sense $30 these look great but are expensive & rely on bluetooth ( i don't trust bluetooth i don't have confidence in it)...
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    Size of wire for earth ground?

    For earth grounding(ground rod pounded into earth) my small 400 watt 24v system at a cabin What gauge wire should I use for the 2000 watt inverter & 40amp charge controller? I’ve read one size smaller than my biggest wire so that would be 6awg. I emailed the inverter they said 12awg & emailed...
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    How to size DC breaker 4x 100 watt panels to 40amp SCC?

    4 x 100 watt panels in series going to 40amp SCC I understand I don’t really need a fuse or breaker but I want a way to disconnect the panels from the SCC near the SCC. Was planning on using a two pole dc breaker but don’t understand how to size it? Also in the future I plan to add more panels...
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    EPEVER 40 amp Tracer 2215BN Do I have to change settings lifepo4?

    Getting conflicting info on wills website it states “If you use a Recommended Drop-in Lithium, you do not need to program anything. You plug this controller into your system, and you are done.” But the amazon reviews are all saying I have to put in a custom setting? (If I do need to put in...
  16. S

    litime smart vs litime self-heating?

    Is there any downside of going with the self heating litime(cheaper) over the “smart” (low temp cutoff) version? In my application I require low temp cutoff...
  17. S

    Victron charge controller + temp sensor vs BMS low temp cutoff?

    Building my system on paper it’s going to be 400 watts with a 24v 100ah lifepo4 to start out. This is for a hunting cabin in the northeast that will be vacant in the winter time. So I need low temp cutoff protection I also want the system to be hands off so I would rather not rely on people...
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    Metal roof (cabin) panel mounting?

    looking for best way to mount 100 watt panels to metal roof, with minimal or no penetrations?
  19. S

    Info on tools & installation of ductless mini split?

    Can anyone link some videos/channels on how to install mini splits & recommendations on what Vacuum Pump & manifold gauges flare tools ect to purchase thanks guys.
  20. S

    Best refrigerator for solar?

    When my fridge at the house needs to be replaced or put a fridge at my hunting cabin what’s considered the best choice for AC refrigerators for solar application? I’ve read digital inverter compressors but I’m looking for more specific brands & models. Let’s say standard house size so 20-25...
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    PV direct heat pump water heater?

    Was looking at the Rheem heat pump water heaters & the EG4 Hybrid AC/DC Solar Mini Split. & that got me thinking does anyone make a heat pump DC/PV direct water heater? Ie no batteries or inverter just plug solar panels in?
  22. S

    Does VOC change with sunlight?

    Sorry for the newb question I tried searching before posting but does the VOC fluctuate with how much sun it gets?
  23. S

    Best way to add usb to glass panels?

    I always liked that the foldable panels(like jackery ect) had a 5v usb output directly on them what’s the best way to add this to a regular 100 watt glass panel? https://www.earthtechproducts.com/mc4-to-type-c-cable.html ^ I saw this but it’s expensive & you can’t plug in the mc4 to anything...
  24. S

    Running 90watt 12/24v dc fridge direct from solar panels?

    Hello I’m trying to see if it’s possible to run a 12/24v dc mini fridge uses 90 watts no spike when the compressor turns on directly from solar panels. I’m thinking two 100 watt solar panels & some kind of buck transformer to make the power more stable? Any help Innsite would be appreciated. I...
  25. S

    DIY panel ground mount?

    I’ve been reading that PT 4x4 and unistrut is the cheapest/best way to make my own panel ground mount. Is there any videos or other sources you can link me to for DIY ground mount systems.
  26. S

    Used solar panels east coast(NY)?

    Is there a source for used solar panels like the ones sold from santansolar but on the east coast NY would be best to keep shipping prices down or possibly pick up?
  27. S

    24v system two 12v batteries in series vs 24v battery?

    https://www.mobile-solarpower.com/2000-watt-24v-solar-system.html ^ In wills 24v system he used two 12v 100ah batteries in series. I’m not understanding the benefits of that over one 24v 100ah battery?
  28. S

    Sundnazer dc freezer vs AC freezer

    Hello I’m wanting to design a solar system to run a 7cu foot chest freezer. The DC sundanzer uses 800watt-hrs a day. Cost is $1900+ shipping homedepot special is $200 but I was having trouble figuring out how many watt hours per day it uses since I Dont own the freezer yet I can’t use a kill a...
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    Negatives to oversized charge controller?

    Is there any negatives to oversizing the charge controller on a 400 watt system 12v besides price? I was thinking about going up to a 60amp or 80amp charge controller so I could be more future proofed. I don’t mind spending more now so I don’t have to upgrade it in the future.
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