Battery Banks not balanced

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  • JRHill
    JRHill Registered Users Posts: 353 ✭✭✭
    #32
    This and then this:
    https://forum.solar-electric.com/discussion/358110/how-to-extend-battery-bank-time-of-failure#latest

    When do you quit beating your head against the wall?
    Off Grid. Two systems: 1) 2925w panels, OB VFXR3648, FM80, FNDC, Victron BMV-712, Mate3s, 240 xformer, four SimpliPHI 3.8; 2) 780w, Morningstar 30a, Grundfos switch, controller and AC/DC pump, 8 T105. Honda EU7000is w/AGS. Champion 3100. HF 4550, Miller Bobcat.
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  • Belize1
    Belize1 Registered Users Posts: 19 ✭✭
    #33
    Per battery voltages range from 6.27 to 6.34.   SG ranges from 1.265 to 1.275.   Battery Manufacturer says 1.275 is full charge.   After multiple charging cycles, some batteries/cells go no higher than 1.265.   When I set controller for equalize, 59.2 volts, the charger goes up to 58.4 volts and the amps level off at around 8 amps then goes no higher.   After four hours I terminate the equalize.
    Residential Backup System  Midnite Solar MN5048 Inverter/Charger 16) 235AH Crown CR235   8) Hanwha Qcell Peak Duo 350watt  
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