diy solar

diy solar

Search results

  1. I

    NOOB Load testing question - hobby charger 308duo

    I want to test some new cells that I received I have an icharger 308duo that has data logging (I also have an ISDT P20, but am less familiar with that than my Duo) Is there any reason that I can't put a load on an 8s battery and use the 308Duo to monitor the cells for health? I realize this...
  2. I

    Are these LF280k? & How many amps are stock bus bars rated for?

    I am not new by any means, but I did just buy 16 of these sells and I don't keep up with the Jone's when it comes to what the new stuff is. I'm just making sure I got what I thought I ordered (which I think I did). Ordered from Dongguan Belifine Also, how many amps are the stock bus bars...
  3. I

    How did you actually connect your 24v batteries in parallel? (and fuses?)

    What method did you use to connect your batteries in parallel? I am reconfiguring my system for <reasons>, and will end up with x4 8s eve280 batteries with a Daly BMS and paralell communication board each, plugged into canbus on a VenusPi. I want to be able to remove one or more batteries...
  4. I

    What is my shunt actually for, if my BMS also has internal shunt?

    Please read all of it and answer the overall question, I'm not looking for specific advice, I'm trying to understand a concept. I am looking at building and using 3 separate battery packs with Daly BMS Why can't I just use the BMS as the shunt? Why would I need to add an extra shunt to the...
  5. I

    2p8s pack misbehaving cells

    TLDR possibly replacing two cells misbehaving in my 2p8s EVE280 pack that I built 2 years ago for my camper. Victron multiplus and 2kw of solar on the roof Daly 250 smart bms No1 is charging faster/higher than the rest of the pack and no4 is charging slower than the rest of the pack See pics. I...
  6. I

    X2 MT50 BNIB for sale

    I received these with two triron mppt's and prefer to use the pc software. Make me an offer cash or paypal. I"m in Durham/RTP area.
  7. I

    What is the actual amount of energy for %100 of my pack? I'm not just asking here first: I've been trying to find out/understand.

    It's seems such a simple question to ask and I can't quite get a straight answer/understanding. I have an 2s8p Eve280 battery arrangement = 560A @24v nominal I have my BMS set LVD 2.5v/cell 20v/pack to HVD 3.65v/cell 30v/pack I have my charge equipment set for 28.2v bulk and 27v float. My...
  8. I

    Victron Multiplus 24/3000 Low voltage disconnect: I don't understand some simple detail, I'm sure

    My multiplus went into low voltage disconnect at 25.8v but I have it set to 23v. I have a Multiplust 24/300 in my camper on 560ah 2p8s eve280's I also have a BVM712 and a RPi running Venus. The venus and VRM sees all my equipment and works as it should I used the USBMK3 and Vconnect to make the...
  9. I

    Looking for cheap 12v voltage monitor for VenusOS on pi

    HEY! I'm looking for a cheap way to get my VenusOS (running on RPi) to monitor the voltage of my camper's 12v battery. I don't need a full blown shunt for power consumption, etc: I just want to know the voltage of that battery on VenusOS. I've googled quite a bit, and keep coming up with non...
  10. I

    VenusOS read Triron/MT50 devices?

    I was so excited when I learned that VenusOS can run on a PI and do really cool things with Victron devices! I wanted to figure out how to get Venus to interact with my Daly BMS and Triron 4210 MPPT's @Louisvdw has been awesome enough to solve the serial read for the Daly BMS and now I'm on to...
  11. I

    Brand new setup and 1 cell out of balance? Not sure how to fix this

    Victron Multiplus 24/3000 Eve280 2p8s array Daly 250 Smart BMS w BT BVM712 Shunt This is my first attempt at building an off gird power system like this. I'm about to add 2kw of solar to it, too. I these cells were all close to each other on delivery but i did let them sit for 2 days all in...
  12. I

    Buildilgn an Eve 280 battery array for my camper: for your review

    I'm building a 2P8S Eve280 cell array and trying to sort out torque on threaded rods to compressive force on the cells. While I am not compressing the cells for the purposes of compression/extending life, I *AM* trying to build a solid and stable unit that will be mounted full time in a travel...
  13. I

    FOUND: 1/4" x 1" Copper Bar stock in USA

    I just grabbed 6 copper bars, 1/4" x 1" for $84 delivered. I emailed with the guy before I made an offer. Super cool dude. Most of his bars are 10-5/8", I asked for longer if he had them, and he shipped me 6 @ 11-1/4" long. Fast shipping, too! On ebay
  14. I

    Fastening x3 BVM6612P-335 together for 27' trailer roof mounting

    I'm sorting out how to mount my 6 BVM6612P-335 panels on top of my 27' travel camper. I'm planning on a 3 mounted together as a single panel in the front and 3 as a single panel in the rear, as seen in the attachment. They are 77x39, 1.5" thick, 58lbs each, and will make two arrays measuring...
  15. I

    ISO Daly RS485 cable from USA

    Title says it: I need an RS485 cable to plug right into my Daly 250 Smart BMS from the USA for quicker delivery, please.
  16. I

    Triron 4210N and multiple RS485 devices: NOOB /sorry

    Can I daisy chain multiple rs485 devices to my EPEVER Triron MPPT? I want to use the MT50 display and RS485/USB PC software at the same time. The MT50 display is rs485 with an RJ45 plug on it There is an RS485 usb cable for PC software with an RJ45 plug on it The Triron 4210N has an RJ45 port...
  17. I

    Multiplus 24/3000 and Daly 250 Smart BMS

    First post here, thank you for having me! I'm trying to sort out the details of exactly how to hook up my camper for full off grid power. I've read a bunch and consumed a bunch of videos and I'm still a bit confused about fine details. I will be running a Daly 250 Smart BMS to manage an 8s...
Back
Top