I’ve got 2x 25.6V 200Ah Victron Lithium Smart batteries connected in series, with another identical pair connected in parallel with them (i.e. 2S2P arrangement). They are connected to a thick copper busbar. The Victron Connect app reports the voltages of one series-connected pair as 52.04V (26.00 + 26.04) and the other pair as 52.34V (26.17 + 26.17). I’ve measured the voltage at the terminals with a multimeter and they both read 52.3V. It seems like the voltage reported by the BTV module in one pair of batteries is not quite accurate. Is there a way to recalibrate this?
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