diff --git a/src/drivers/boards/px4fmu-v5/board_config.h b/src/drivers/boards/px4fmu-v5/board_config.h
index 0581535c1e..c9b1e04144 100644
--- a/src/drivers/boards/px4fmu-v5/board_config.h
+++ b/src/drivers/boards/px4fmu-v5/board_config.h
@@ -322,6 +322,12 @@
 	 (1 << ADC1_SPARE_1_CHANNEL))
 #endif
 
+/* Define Battery 1 Voltage Divider and A per V
+ */
+
+#define BOARD_BATTERY1_V_DIV         (10.133333333f)
+#define BOARD_BATTERY1_A_PER_V       (36.367515152f)
+
 /* HW has to large of R termination on ADC todo:change when HW value is chosen */
 
 #define BOARD_ADC_OPEN_CIRCUIT_V               (5.6f)