diy solar

diy solar

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  • lifepo4 for marine use

    has anyone used these batteries for marine use on a boat . what is the panel option for the to be used in this way
  • New to lithium

    Hi I plain to build a 12v 400ah lithium bank one concern I have is that at times will be drawing a heavy load over 210a for short times , Am I correct in thinking the BMS will shut the batteries if it unable to deal with sure a load ? And if so what is the way around this please .
  • Batteries capacity

    so this system that in the house we not long purchase as an Growatt which I been told is fault, Checking the sunny boy inverter it show it putting in around 10kwh at the most per day . I been quoted for a givenergy Gen 2 at 9.5 kWh Or All in one 13.5kwh As my panels are only max at 10kwh is...
  • Suggestion to wire inverter to fuse box

    Problem sorted
  • Inverter fuse

    I have a Chinese 3000W-6000w inverter in reality it never going to give me any thing like 3000w, batteries bank 400Ah . am I correct in saying a 250A fused will be fine ? 3000/12v 250A Also where best to fit the fuse, V+ next to the battery terminal? Or by the inverter? The inverter came with 4...
  • Ev Lithuim

    Has anyone had dealing with Evlithum and brought batteries from them ? How did you find there service . Any other info please , I thinking of ordering from them . Thanks
  • New cells and balancing

    My cells are about to turn up any day now 8x200 Calb and although I read most of the topics on balance , I like to just get things clear in my head , please bare with me first time with lithium and bench power supply . My first question is it better to series and parallel charge as one bank...
  • Top balance

    Totally novice so please be kind with your reply I am buying 8x 200ah Calbs cells, it seen the best way to top balance them is first wired them in parallel and give them a full charge. Is it better to do this as two banks of 12v200ah or one bank 12v400ah ? My shore charger is Centaur Charger...
  • New insulation

    New insulation 400 Ah lithium , balance have been balance to 3.65v MPPT setting Abs 14.2v float 13.5v should I have the Abs higher ? And what should the max Abs time be ?
  • 2P4S

    Do this look about right 8x200 cells ? Green lines are the bus bars
  • Sunny boy inverter

    We have an old type sunnyboy inverter and I’m trying to use blue tooth to the sunny explore but no data is showing up although it say I am connect . Any help please
  • First time fully charge

    To day a combination of solar and charger I charge up the 400 Ah lithium for time since I installed them Before installing them I top balance them to 3.65 v cell athpught the Amps stop going down at 5A , I left them at that, as I was time consumed and had to go away for a few days . To day...
  • Help with power supply

    Evening We trying to top balance 8x200 ah cells with a 10A 30v power supply in stages 3.4v 3.5v 3.65v Each cell 3.32v and then we wired them up in Parallel. Before connecting up we set the power 3.4v turn the current down , turn off the power supply , connected the power supply to the...
  • Top balancing again

    It seems I may have to top balance again ( once voltages reach 14v the cells are reading 3.47v 3.50v 3.61v 3.49v ) If I charge them in parallel here a few question I like answer to please 1 Am I looking at setting the PS at 3.65v ? At the end of the PS leads 3.65v? Or at the batteries...
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