diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CUAV-7-Nano/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/CUAV-7-Nano/hwdef.dat
index f6eabe6f2f..277ebd65f7 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CUAV-7-Nano/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CUAV-7-Nano/hwdef.dat
@@ -105,8 +105,8 @@ PC3 ADC1_3V3 ADC1 SCALE(1) ANALOG(13)
 define HAL_BATT_MONITOR_DEFAULT 4
 define HAL_BATT_VOLT_PIN 9
 define HAL_BATT_CURR_PIN 8
-define HAL_BATT_VOLT_SCALE 10.1
-define HAL_BATT_CURR_SCALE 17.0
+define HAL_BATT_VOLT_SCALE 31.0
+define HAL_BATT_CURR_SCALE 24.0
 
 # SPI1 - IIM42652
 PA5  SPI1_SCK SPI1