diff --git a/src/configuration.h b/src/configuration.h
index 613f20d87..42b9ff05d 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -179,7 +179,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define I2C_SCL 22
 
 #define BUTTON_PIN 39
-// #define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
 
 #ifndef USE_JTAG
 #define RF95_RESET 23
@@ -278,7 +278,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define GPS_RX_PIN 36
 #define GPS_TX_PIN 39
 
-// #define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
+#define BATTERY_PIN 35 // A battery voltage measurement pin, voltage divider connected here to measure battery voltage
 
 #define I2C_SDA 21 // I2C pins for this board
 #define I2C_SCL 22