diff --git a/res/values/strings.xml b/res/values/strings.xml
index 98462db2b0c..83698eb8e79 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -5301,6 +5301,10 @@
     <string name="battery_usage_screen_footer_empty">Battery usage data will be available in a few hours once fully charged</string>
     <!-- [CHAR_LIMIT=NONE] Battery chart label for the current time. -->
     <string name="battery_usage_chart_label_now">now</string>
+    <!-- [CHAR_LIMIT=NONE] A hyphen for two timestamps. For example, "6 AM - 8 AM", which means "from 6 AM to 8 AM". Please notice the spaces around the hyphen -->
+    <string name="battery_usage_timestamps_hyphen"><xliff:g id="from_timestamp">%1$s</xliff:g> - <xliff:g id="to_timestamp">%2$s</xliff:g></string>
+    <!-- [CHAR_LIMIT=NONE] The first slot is a week day (e.g. "Monday"); the second slot is a hourly time span (e.g. "6 AM - 8 AM"). -->
+    <string name="battery_usage_day_and_hour"><xliff:g id="day">%1$s</xliff:g> <xliff:g id="hour">%2$s</xliff:g></string>
     <!-- [CHAR_LIMIT=NONE] Accessibility content description for battery chart view. -->
     <string name="battery_usage_chart">Battery usage chart</string>
     <!-- [CHAR_LIMIT=NONE] Accessibility content description for daily battery chart view. -->
diff --git a/src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceController.java b/src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceController.java
index d9ac14ef180..f13a4ef6d7d 100644
--- a/src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/batteryusage/BatteryChartPreferenceController.java
@@ -440,7 +440,8 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
             return selectedHourText;
         }
 
-        return String.format("%s %s", selectedDayText, selectedHourText);
+        return mContext.getString(
+                R.string.battery_usage_day_and_hour, selectedDayText, selectedHourText);
     }
 
     private String getAccessibilityAnnounceMessage() {
@@ -666,8 +667,8 @@ public class BatteryChartPreferenceController extends AbstractPreferenceControll
             }
             return index == timestamps.size() - 1
                     ? generateText(timestamps, index)
-                    : String.format("%s%s%s", generateText(timestamps, index),
-                    mIs24HourFormat ? "-" : " - ", generateText(timestamps, index + 1));
+                    : mContext.getString(R.string.battery_usage_timestamps_hyphen,
+                            generateText(timestamps, index), generateText(timestamps, index + 1));
         }
 
         public HourlyChartLabelTextGenerator setLatestTimestamp(Long latestTimestamp) {