diff --git a/src/drivers/battery/battery_adc.c b/src/drivers/battery/battery_adc.c
index 4feaee2..7896cbf 100644
--- a/src/drivers/battery/battery_adc.c
+++ b/src/drivers/battery/battery_adc.c
@@ -253,21 +253,34 @@ void battery_protection_set_alignment_mode(bool enabled)
 */
 void battery_protection_record_continuous(int batt_mv, int16_t temp_cdeg)
 {
+    bool batt_valid = (batt_mv >= 0) && (batt_mv != 0xFFFF);
+    bool temp_valid = (temp_cdeg != INT16_MIN) && ((uint16_t)temp_cdeg != 0xFFFF);
+
     // 정렬모드 중에는 continuous 보호 판정 제외
     if (alignment_mode_active)
     {
         return;
     }
 
+    if (!batt_valid && !temp_valid)
+    {
+        return;
+    }
+
     // 15초 후 일반 60초 주기 모니터 재개
     continuous_monitor_active_until_ms = k_uptime_get() + CONTINUOUS_MONITOR_ACTIVE_MS;
 
-    // periodic 모니터 카운트 초기화
-    periodic_low_battery_cnt = 0;
-    periodic_high_temperature_cnt = 0;
+    if (batt_valid)
+    {
+        periodic_low_battery_cnt = 0;
+        record_battery_value(batt_mv, &continuous_low_battery_cnt, BATTERY_CONTINUOUS_MONITOR_LIMIT_COUNT, "continuous");
+    }
 
-    record_battery_value(batt_mv, &continuous_low_battery_cnt, BATTERY_CONTINUOUS_MONITOR_LIMIT_COUNT, "continuous");
-    record_temperature_value(temp_cdeg, &continuous_high_temperature_cnt, BATTERY_CONTINUOUS_MONITOR_LIMIT_COUNT, "continuous");
+    if (temp_valid)
+    {
+        periodic_high_temperature_cnt = 0;
+        record_temperature_value(temp_cdeg, &continuous_high_temperature_cnt, BATTERY_CONTINUOUS_MONITOR_LIMIT_COUNT, "continuous");
+    }
 }
 
 /* k_work 핸들러: 스레드 컨텍스트에서 ADC 읽기 (adc_read는 블로킹이라 ISR 불가) */