diff --git a/src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java b/src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java
new file mode 100644
index 00000000000..5743cac6017
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/batteryusage/BatteryDiffData.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.fuelgauge.batteryusage;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/** Wraps the battery usage diff data for each entry used for battery usage app list. */
+public class BatteryDiffData {
+    private final List<BatteryDiffEntry> mAppEntries;
+    private final List<BatteryDiffEntry> mSystemEntries;
+
+    public BatteryDiffData(
+            List<BatteryDiffEntry> appDiffEntries, List<BatteryDiffEntry> systemDiffEntries) {
+        mAppEntries = appDiffEntries == null ? new ArrayList<>() : appDiffEntries;
+        mSystemEntries = systemDiffEntries == null ? new ArrayList<>() : systemDiffEntries;
+    }
+
+    public List<BatteryDiffEntry> getAppDiffEntryList() {
+        return mAppEntries;
+    }
+
+    public List<BatteryDiffEntry> getSystemDiffEntryList() {
+        return mSystemEntries;
+    }
+
+    /** Sets total consume power for each entry. */
+    public void setTotalConsumePowerForAllEntries(double totalConsumePower) {
+        mAppEntries.forEach(diffEntry -> diffEntry.setTotalConsumePower(totalConsumePower));
+        mSystemEntries.forEach(diffEntry -> diffEntry.setTotalConsumePower(totalConsumePower));
+    }
+}