diff --git a/services/java/com/android/server/BatteryService.java b/services/java/com/android/server/BatteryService.java
index caad7d0..596053d 100644
--- a/services/java/com/android/server/BatteryService.java
+++ b/services/java/com/android/server/BatteryService.java
@@ -271,6 +271,7 @@
              * - is not plugged and battery level crosses the WARNING boundary (becomes < 15).
              */
             final boolean sendBatteryLow = !plugged
+                && mBatteryStatus != BatteryManager.BATTERY_STATUS_UNKNOWN
                 && mBatteryLevel < BATTERY_LEVEL_WARNING
                 && (oldPlugged || mLastBatteryLevel >= BATTERY_LEVEL_WARNING);