disregard

claywdclaywd Registered Users Posts: 6 ✭✭
nvrmnd
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  • BB.BB. Super Moderators, Administrators Posts: 31,464 admin
    Welcome to the forum Claywd,

    I see that you have probably figured out what went wrong?

    The first issue is that, usually, for a LiFePO4 battery with BMS (?), typically the maximum current you can draw is around 1*C (1 x Battery AH capacity) or for your 20 AH battery, that would be 20 amps @ 12 volts per battery
    • 20 amps * 12 volts * 0.85 AC inverter eff = 204 Watts @ 120 VAC max... Or ~4x for four parallel batteries (getting equal sharing is not alway easy)
    Anyway, please feel free to start a new discussion if you want to work on your system design....

    -Bill
    Near San Francisco California: 3.5kWatt Grid Tied Solar power system+small backup genset
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