diff --git a/src/boards/Parafoil/Configs/SensorsConfig.h b/src/boards/Parafoil/Configs/SensorsConfig.h
index cfcb84b335e464a59b5e161d4c1248716746841a..8a191f1a66627dadd539c2e46b9361b0e3954909 100644
--- a/src/boards/Parafoil/Configs/SensorsConfig.h
+++ b/src/boards/Parafoil/Configs/SensorsConfig.h
@@ -108,7 +108,8 @@ constexpr Boardcore::LIS3MDL::FullScale MAG_LIS_FULLSCALE =
 // Internal ADC & Battery Voltage
 constexpr Boardcore::InternalADC::Channel ADC_BATTERY_VOLTAGE =
     Boardcore::InternalADC::Channel::CH5;
-constexpr float BATTERY_VOLTAGE_COEFF = 5.98;
+// Internal ADC voltage divider
+constexpr float BATTERY_VOLTAGE_COEFF = (150+40.2)/40.2;
 
 // Sampling periods [ms]
 
diff --git a/src/boards/Parafoil/Sensors/Sensors.cpp b/src/boards/Parafoil/Sensors/Sensors.cpp
index bc7286ac7c161c71a30ac74837d3b33255e3478d..f3114239918ec8309c15442d1ccb72442f09bbee 100644
--- a/src/boards/Parafoil/Sensors/Sensors.cpp
+++ b/src/boards/Parafoil/Sensors/Sensors.cpp
@@ -421,7 +421,6 @@ void Sensors::ads131Init()
 void Sensors::internalADCInit()
 {
     internalADC = new InternalADC(ADC3);
-    // internalADC = new InternalADC(ADC3, INTERNAL_ADC_VREF);
 
     internalADC->enableChannel(ADC_BATTERY_VOLTAGE);
     internalADC->enableTemperature();