BB. admin

  • Re: Controller upgrade (bad panels?)

    BB.BB.
    Solar panels have ~36x 0.50 VDC (Vmp per cell) cells in series. And there are usually 2-3 "bypass diodes" that will send current "around" any bad cells, shaded cells, or broken co…
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  • Re: How bad is 75a charger on a 100bms bat? 12v 200ah 2560wh lifepo4

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    Lithium Ion batteries typically have a very flat charging curve from beginning to near 100% State of Charge... So, they should draw 100% of the charger's rated current (assuming charging voltage is c…
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  • Re: Percentages and voltage of lifepo4

    BB.BB.
    BMS "cutoffs" are really intended to stop "catastrophic" battery damage (and risk of fire). Your system should not use the BMS "cufoffs" (voltage/temperature/current/SoC…
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  • Re: Best and fastest lifepo4 charger

    BB.BB.
    It seems that your 200 AH battery will take 100 Amps for 120 minutes (2 hours)... To figure out what size Genset... In general, I would suggest that you load your Genset to 50% (for fuel efficiency) …
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  • Re: Inverter setup

    BB.BB.
    I did not want to start with the "full price" inverter in the discussion... The cost for that 70lbs of copper and iron (plus electrics, engineering, mfg., etc.) is not cheap ($1,000 vs $4,0…
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