diff --git a/src/bmscore.js b/src/bmscore.js
index 9a5faa0..52b88cc 100644
--- a/src/bmscore.js
+++ b/src/bmscore.js
@@ -1,24 +1,24 @@
 const { SerialPort } = require('serialport');
 const errors = require('./errors');
 
-const address        = 0x04;
-const frameLength      = 13;
-const timeoutMS     = 700;
+const address = 0x40;
+const frameLength = 13;
+const timeoutMS = 700;
 const retryDelayMS = 200;
 
 //Arrotondamenti
-const r1  = v => Math.round(v * 10)      / 10;      // 0.1  — tensione totale, corrente, SOC%
-const r3  = v => Math.round(v * 1000)    / 1000;     // 0.001 — tensioni cella, capacità Ah
-const r2  = v => Math.round(v * 100)     / 100;      // 0.01  — temperature in kelvin (SignalK)
+const r1 = v => Math.round(v * 10) / 10;      // 0.1  — tensione totale, corrente, SOC%
+const r3 = v => Math.round(v * 1000) / 1000;     // 0.001 — tensioni cella, capacità Ah
+const r2 = v => Math.round(v * 100) / 100;      // 0.01  — temperature in kelvin (SignalK)
 
 class BMS {
-  constructor({ device, retries = 5, log = () => {} } = {}) {
-    this.device  = device;
+  constructor({ device, retries = 5, log = () => { } } = {}) {
+    this.device = device;
     this.retries = retries;
-    this.log     = log;
-    this.port    = null;
-    this.status  = null;            // ultimo getStatus (n. celle, sensori temp)
-    this._queue  = Promise.resolve(); // serializza le richieste sulla seriale
+    this.log = log;
+    this.port = null;
+    this.status = null;            // ultimo getStatus (n. celle, sensori temp)
+    this._queue = Promise.resolve(); // serializza le richieste sulla seriale
   }
 
   open() {
@@ -75,7 +75,7 @@ class BMS {
       throw lastErr || new Error(`cmd ${cmd} failed after ${this.retries} retries`);
     };
     const next = this._queue.then(run, run);
-    this._queue = next.catch(() => {}); // non rompere la coda al primo errore
+    this._queue = next.catch(() => { }); // non rompere la coda al primo errore
     return next;
   }
 
@@ -133,8 +133,8 @@ class BMS {
     if (!d) return null;
     return {
       total_voltage: r1(d.readInt16BE(0) / 10),
-      current:       r1((d.readInt16BE(4) - 30000) / 10), // < 0 charging, > 0 discharging
-      soc_percent:   r1(d.readInt16BE(6) / 10)
+      current: r1((d.readInt16BE(4) - 30000) / 10), // < 0 charging, > 0 discharging
+      soc_percent: r1(d.readInt16BE(6) / 10)
     };
   }
 
@@ -144,9 +144,9 @@ class BMS {
     if (!d) return null;
     return {
       highest_voltage: r3(d.readInt16BE(0) / 1000),
-      highest_cell:    d.readInt8(2),
-      lowest_voltage:  r3(d.readInt16BE(3) / 1000),
-      lowest_cell:     d.readInt8(5)
+      highest_cell: d.readInt8(2),
+      lowest_voltage: r3(d.readInt16BE(3) / 1000),
+      lowest_cell: d.readInt8(5)
     };
   }
 
@@ -156,9 +156,9 @@ class BMS {
     if (!d) return null;
     return {
       highest_temperature: d.readInt8(0) - 40,
-      highest_sensor:      d.readInt8(1),
-      lowest_temperature:  d.readInt8(2) - 40,
-      lowest_sensor:       d.readInt8(3)
+      highest_sensor: d.readInt8(1),
+      lowest_temperature: d.readInt8(2) - 40,
+      lowest_sensor: d.readInt8(3)
     };
   }
 
@@ -169,9 +169,9 @@ class BMS {
     const m = d.readInt8(0);
     return {
       mode: m === 0 ? 'stationary' : m === 1 ? 'charging' : 'discharging',
-      charging_mosfet:    !!d[1],
+      charging_mosfet: !!d[1],
       discharging_mosfet: !!d[2],
-      capacity_ah:        r3(d.readInt32BE(4) / 1000)
+      capacity_ah: r3(d.readInt32BE(4) / 1000)
     };
   }
 
@@ -179,17 +179,17 @@ class BMS {
   async getStatus() {
     const d = await this._sendBatch('94');
     if (!d) return null;
-    const stateByte  = d.readInt8(4);
-    const stateNames = ['DI1','DI2','DI3','DI4','DO1','DO2','DO3','DO4'];
+    const stateByte = d.readInt8(4);
+    const stateNames = ['DI1', 'DI2', 'DI3', 'DI4', 'DO1', 'DO2', 'DO3', 'DO4'];
     const states = {};
     for (let i = 0; i < 8; i++) states[stateNames[i]] = !!((stateByte >> i) & 1);
     const data = {
-      cells:               d.readInt8(0),
+      cells: d.readInt8(0),
       temperature_sensors: d.readInt8(1),
-      charger_running:     !!d[2],
-      load_running:        !!d[3],
+      charger_running: !!d[2],
+      load_running: !!d[3],
       states,
-      cycles:              d.readInt16BE(5)
+      cycles: d.readInt16BE(5)
     };
     this.status = data;
     return data;