diff --git a/code/lib/source/sifar/code/include/sf_common.h b/code/lib/source/sifar/code/include/sf_common.h
index dd1600191..7c8eb5c50 100755
--- a/code/lib/source/sifar/code/include/sf_common.h
+++ b/code/lib/source/sifar/code/include/sf_common.h
@@ -159,7 +159,7 @@ UINT32 sf_cardv_para_check_start(void);
 UINT32 sf_cardv_para_check_stop(void);
 UINT8 sf_get_night_led_flag(void);
 void sf_set_night_led_flag(UINT8 flag);
-void sf_cardv_battery_level_update(UINT8 batteryVal);
+void sf_cardv_battery_level_update(UINT16 batteryVal);
 UINT32 sf_cardv_battery_level_get(void);
 UINT8 sf_cardv_battery_value_get(void);
 UINT8 sf_cardv_battery_type_get(void);
diff --git a/code/lib/source/sifar/code/source/common/sf_common.c b/code/lib/source/sifar/code/source/common/sf_common.c
index 3a4b60477..331a8ac11 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -89,9 +89,9 @@ static UINT8 ModuleUpdating = 0;
 static UINT8 FwUpdate = 0;
 static UINT8 IsNightLedOn = 0;
 static SF_BatteryLevel_e sf_LatestBattLevel = SF_BATT_LEVEL_0;
-static UINT8 batteryVal = 0;
+static UINT16 batteryVal = 0;
 static UINT16 powerVal = 0;
-static UINT8 batteryType = 0;
+static UINT16 batteryType = 0;
 static SINT16 fTemper = 0;
 static SINT16 cTemper = 0;
 static pthread_cond_t condition;
@@ -2519,7 +2519,7 @@ void sf_set_night_led_flag(UINT8 flag)
   Return: N/A     
   Others: N/A        
 *************************************************/
-void sf_cardv_battery_level_update(UINT8 batteryVal)
+void sf_cardv_battery_level_update(UINT16 batteryVal)
 {	
 
 	UINT8 batteryLevel = SF_BATT_LEVEL_0;