diff --git a/src/com/android/settings/fuelgauge/batteryusage/DataProcessor.java b/src/com/android/settings/fuelgauge/batteryusage/DataProcessor.java
index 97363e07489..c39686ac6d0 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/DataProcessor.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/DataProcessor.java
@@ -1547,6 +1547,9 @@ public final class DataProcessor {
                             appUsageMap,
                             selectedBatteryEntry.mUserId,
                             selectedBatteryEntry.mPackageName));
+            // Make sure the background + screen-on time will not exceed the threshold.
+            backgroundUsageTimeInMs = Math.min(
+                    backgroundUsageTimeInMs, (long) TOTAL_HOURLY_TIME_THRESHOLD - screenOnTime);
             final BatteryDiffEntry currentBatteryDiffEntry = new BatteryDiffEntry(
                     context,
                     foregroundUsageTimeInMs,
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/DataProcessorTest.java b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/DataProcessorTest.java
index a1caa2c88a9..b2c658302a5 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/DataProcessorTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/batteryusage/DataProcessorTest.java
@@ -1149,7 +1149,7 @@ public final class DataProcessorTest {
         assertThat(resultEntry.mForegroundUsageTimeInMs)
                 .isEqualTo(Math.round(entry.mForegroundUsageTimeInMs * ratio));
         assertThat(resultEntry.mBackgroundUsageTimeInMs)
-                .isEqualTo(Math.round(entry.mBackgroundUsageTimeInMs * ratio));
+                .isEqualTo(0);
         assertThat(resultEntry.mConsumePower)
                 .isEqualTo(entry.mConsumePower * ratio);
         assertThat(resultEntry.mForegroundUsageConsumePower)