diff --git a/project/msm8909.mk b/project/msm8909.mk
index b7094e6..cb08003 100644
--- a/project/msm8909.mk
+++ b/project/msm8909.mk
@@ -74,3 +74,6 @@
 ENABLE_REBOOT_MODULE := 1
 #Use PON register for reboot reason
 DEFINES += USE_PON_REBOOT_REG=1
+
+#enable battery voltage check
+DEFINES += CHECK_BAT_VOLTAGE=1