diff --git a/firmware/inc/hw_config/main-aaa-uhf.h b/firmware/inc/hw_config/main-aaa-uhf.h
index 2a158b3..5408439 100644
--- a/firmware/inc/hw_config/main-aaa-uhf.h
+++ b/firmware/inc/hw_config/main-aaa-uhf.h
@@ -89,10 +89,10 @@
  * Battery ADC
  */
 #define BATTERY_ADC			1
-#define BATTERY_ADC_PIN		PIN_PA03
-#define BATTERY_ADC_PINMUX	PINMUX_PA03B_ADC_AIN1
-#define BATTERY_ADC_CHANNEL	ADC_POSITIVE_INPUT_PIN1
-#define BATTERY_ADC_CHANNEL_DIV	0.3125 /* ??? */
+#define BATTERY_ADC_PIN		PIN_PA04
+#define BATTERY_ADC_PINMUX	PINMUX_PA04B_ADC_AIN4
+#define BATTERY_ADC_CHANNEL	ADC_POSITIVE_INPUT_PIN4
+#define BATTERY_ADC_CHANNEL_DIV	0.23256 /* 10k/33k div */
 #define BATTERY_ADC_REFERENCE	ADC_REFERENCE_INT1V
 
 /**