diff --git a/Gpios.h b/Gpios.h
index 8b03650..e5166df 100644
--- a/Gpios.h
+++ b/Gpios.h
@@ -114,6 +114,7 @@ typedef struct {
     uint8_t ShutOffTXV1_EN;
     uint8_t ShutOffTXV2_EN;
     uint8_t EN_BATTChiller;
+    uint8_t EN_PowerReserve;
 } tPowerEnable;