Paul Botha
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Paul Botha reacted to alyusuph in Charge parameters for Coslight lithium batteryI run 3 X Coslight batteries with a Phocos AnyGrid 5Va/5Kva Inverter and have set them at Bulk charge 53.5V and Float at 53.0 Volts. Equalisation is disabled, BMS cable to inverter disconnected; Communication between batteries is there (connected). All dip switches set at 0000 and then restarted them starting with the "assumed" master battery (the one directly connected to the inverter) . They work like charm and have very good synchronised charging and discharging. At first the supplier had advised setting float charge as per the Coslight sticker (54V) which cause one of the batteries to display a red fault light.
Note that the Coslight battery specs sheet shows that they have to be charged at -54V Float