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kjza

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Everything posted by kjza

  1. The dreaded Growatt algorithm and LFP dumb batteries

    kjza replied to RobM's topic in Inverters
    Hi I have a grid fed backup system consisting of a Growatt SPF 5000 ES and single Hubble AM-2 configured in the Growatt as: Battery = Lithium Protocol = 52 Comms cable connected on Inveter BMS to Battery CAN port (trust that is right) and am experiencing the same issue with battery discharge once it reaches 100% after recharging from either loadshedding or inverter load. Once it reaches 95% the inverter charges the battery again. The main concern here for me is, 1 - why is the inverter drawing current from the battery when the utility available and inverter is set to Utility Primary 2 - this means my battery is losing cycles for no good reason, this reducing its lifespan. Please advise if my understanding is correct and it there is anything I could do to correct it.

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