diff --git a/Software/src/battery/TESLA-MODEL-3-BATTERY.cpp b/Software/src/battery/TESLA-MODEL-3-BATTERY.cpp
index 28e5a72f..1299310b 100644
--- a/Software/src/battery/TESLA-MODEL-3-BATTERY.cpp
+++ b/Software/src/battery/TESLA-MODEL-3-BATTERY.cpp
@@ -521,10 +521,12 @@ the first, for a few cycles, then stop all  messages which causes the contactor
 
     if (bms_status == ACTIVE) {
       send221still = 50;
+      batteryAllowsContactorClosing = true;
       ESP32Can.CANWriteFrame(&TESLA_221_1);
       ESP32Can.CANWriteFrame(&TESLA_221_2);
     } else {  //bms_status == FAULT
       if (send221still > 0) {
+        batteryAllowsContactorClosing = false;
         ESP32Can.CANWriteFrame(&TESLA_221_1);
         send221still--;
       }
diff --git a/Software/src/battery/TESLA-MODEL-3-BATTERY.h b/Software/src/battery/TESLA-MODEL-3-BATTERY.h
index 2775b56c..9b689275 100644
--- a/Software/src/battery/TESLA-MODEL-3-BATTERY.h
+++ b/Software/src/battery/TESLA-MODEL-3-BATTERY.h
@@ -13,23 +13,23 @@
   60000  // 60000W we need to cap this value to max 60kW, most inverters overflow otherwise
 
 // These parameters need to be mapped for the Inverter
-extern uint16_t SOC;
-extern uint16_t StateOfHealth;
-extern uint16_t battery_voltage;
-extern uint16_t battery_current;
-extern uint16_t capacity_Wh;
-extern uint16_t remaining_capacity_Wh;
-extern uint16_t max_target_discharge_power;
-extern uint16_t max_target_charge_power;
-extern uint16_t bms_status;
-extern uint16_t bms_char_dis_status;
-extern uint16_t stat_batt_power;
-extern uint16_t temperature_min;
-extern uint16_t temperature_max;
-extern uint16_t CANerror;
-extern uint16_t cell_max_voltage;
-extern uint16_t cell_min_voltage;
-extern uint8_t LEDcolor;
+extern uint16_t SOC;                         //SOC%, 0-100.00 (0-10000)
+extern uint16_t StateOfHealth;               //SOH%, 0-100.00 (0-10000)
+extern uint16_t battery_voltage;             //V+1,  0-500.0 (0-5000)
+extern uint16_t battery_current;             //A+1,  Goes thru convert2unsignedint16 function (5.0A = 50, -5.0A = 65485)
+extern uint16_t capacity_Wh;                 //Wh,   0-60000
+extern uint16_t remaining_capacity_Wh;       //Wh,   0-60000
+extern uint16_t max_target_discharge_power;  //W,    0-60000
+extern uint16_t max_target_charge_power;     //W,    0-60000
+extern uint16_t bms_status;                  //Enum, 0-5
+extern uint16_t bms_char_dis_status;         //Enum, 0-2
+extern uint16_t stat_batt_power;             //W,    Goes thru convert2unsignedint16 function (5W = 5, -5W = 65530)
+extern uint16_t temperature_min;   //C+1,  Goes thru convert2unsignedint16 function (15.0C = 150, -15.0C =  65385)
+extern uint16_t temperature_max;   //C+1,  Goes thru convert2unsignedint16 function (15.0C = 150, -15.0C =  65385)
+extern uint16_t cell_max_voltage;  //mV,   0-4350
+extern uint16_t cell_min_voltage;  //mV,   0-4350
+extern uint8_t LEDcolor;           //Enum, 0-10
+extern bool batteryAllowsContactorClosing;  //Bool, 1=true, 0=false
 // Definitions for BMS status
 #define STANDBY 0
 #define INACTIVE 1