diff --git a/modules/kubernetes/monitoring/prometheus_chart_values.tpl b/modules/kubernetes/monitoring/prometheus_chart_values.tpl
index b6d437d1..eb2ab8fc 100644
--- a/modules/kubernetes/monitoring/prometheus_chart_values.tpl
+++ b/modules/kubernetes/monitoring/prometheus_chart_values.tpl
@@ -173,7 +173,7 @@ serverFiles:
             annotations:
               summary: "UPS on battery for {{ $value }} seconds"
           - alert: LowUPBattery
-            expr: ups_upsEstimatedMinutesRemaining < 25
+            expr: ups_upsEstimatedMinutesRemaining < 25 and on(instance) ups_upsInputVoltage < 150
             for: 1m
             labels:
               severity: critical
diff --git a/terraform.tfstate b/terraform.tfstate
index a4d49fe8..4f0791df 100644
Binary files a/terraform.tfstate and b/terraform.tfstate differ