parbob1 ✭✭

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parbob1
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  • Battery charge time with Generator is my aprox math correct. 
    The battery manufacturer says 
    Voltage Setting 48 V
    Daily Charge (Absorption) 58.1
    Equalize 61.9
    Float 54.0

    my Honda generator is limited to 21amps At 240V.  hooked up to SW4048 to charge batteries 

    I have 48V X 470AH =22,560 watts and if I run the batteries to 70%  I have to replace 6,800 watts

    ( these are net number that the ComBox shows going into and out of batteries) 

    So if my Generator is putting 56 volts and 2,200 watts per hour back to my battery bank then it should take about 3 hours to recharge my bank?

    The ComBox and the battery monitor are not getting along,  the BM is showing 95% SOC however the voltage is 48.1 and the hydrometer shows 60%-70% .   

    I have disconnected the BM and going to fully recharge batteries then reconnect BM and adjust.


    Thanks Bob


    ·
    November 8