I2C Battery BMS Status Display

yes, i can read out the voltages of each cell and the current

// akku einlesen
  i2cadr = 0x30;   // OZ: adr. 30 statt 60h!!
  adr = 0x0;         // chip id an adr. 0h
 
  // strom lesen
   adr = 0x54;         // strom an adr. 54h
  // register adresse übermitteln
  Wire.beginTransmission(i2cadr); 
  Wire.write(adr); 
  stat1 = Wire.endTransmission(false); // 0:sucess
  // register daten lesen
  stat2 = Wire.requestFrom(i2cadr, 2); // anzahl der gelesenen bytes
  val1 = Wire.read();
  val2 = Wire.read();
  // bytes auswerten
  val2 =  (val2 & 0x7F); // VZ ausblenden, noch auswerten
  amp = 7.63 * (val2 * 256 + val1)/1000; // mV-Spannungsabfall

  // spannungen lesen
  adr = 0x32;         //  spannung zelle 1 an adr 32h
  zelle = 1+count % 8;   // für 8 Zellen
  adr = adr + 2*(zelle-1);
  // register adresse übermitteln
  Wire.beginTransmission(i2cadr); 
  Wire.write(adr); 
  stat1 = Wire.endTransmission(false); // 0:sucess
  // register daten lesen
  stat2 = Wire.requestFrom(i2cadr, 2); // anzahl der gelesenen bytes
  val1 = Wire.read();
  val2 = Wire.read();
  // bytes auswerten
  val1 =  val1/8; // 3 bits ausblenden
  val2 =  (val2 & 0x7F); // VZ ausblenden
  
  switch (zelle) {
    case 1:
      volt1 = 1.22 * (val2 * 32 + val1);
      break;
   case 2:
      volt2 = 1.22 * (val2 * 32 + val1);
      break;
   case 3:
      volt3 = 1.22 * (val2 * 32 + val1);
      break;
   case 4:
      volt4 = 1.22 * (val2 * 32 + val1);
      break;
   case 5:
      volt5 = 1.22 * (val2 * 32 + val1);
      break;
   case 6:
      volt6 = 1.22 * (val2 * 32 + val1);
      break;
   case 7:
      volt7 = 1.22 * (val2 * 32 + val1);
      break;
   case 8:
      volt8 = 1.22 * (val2 * 32 + val1);
      break;
  }

  // Gesamt-, MIN und MAX
  volt = (volt1+volt2+volt3+volt4+volt5+volt6+volt7+volt8)/1000;
  voltMIN = min(volt1,min(volt2,min(volt3,min(volt4,min(volt5,min(volt6,min(volt7,volt8)))))));
  voltMAX = max(volt1,max(volt2,max(volt3,max(volt4,max(volt5,max(volt6,max(volt7,volt8)))))));