diff --git a/core/api/current.txt b/core/api/current.txt
index a34186c49667e..413132f3f3e3c 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -30288,6 +30288,7 @@ package android.os {
     field public static final int BATTERY_HEALTH_UNKNOWN = 1; // 0x1
     field public static final int BATTERY_HEALTH_UNSPECIFIED_FAILURE = 6; // 0x6
     field public static final int BATTERY_PLUGGED_AC = 1; // 0x1
+    field public static final int BATTERY_PLUGGED_DOCK = 8; // 0x8
     field public static final int BATTERY_PLUGGED_USB = 2; // 0x2
     field public static final int BATTERY_PLUGGED_WIRELESS = 4; // 0x4
     field public static final int BATTERY_PROPERTY_CAPACITY = 4; // 0x4
diff --git a/core/java/android/os/BatteryManager.java b/core/java/android/os/BatteryManager.java
index 6d4593a2ce870..76f857bd91b76 100644
--- a/core/java/android/os/BatteryManager.java
+++ b/core/java/android/os/BatteryManager.java
@@ -187,10 +187,13 @@ public class BatteryManager {
     public static final int BATTERY_PLUGGED_USB = OsProtoEnums.BATTERY_PLUGGED_USB; // = 2
     /** Power source is wireless. */
     public static final int BATTERY_PLUGGED_WIRELESS = OsProtoEnums.BATTERY_PLUGGED_WIRELESS; // = 4
+    /** Power source is dock. */
+    public static final int BATTERY_PLUGGED_DOCK = OsProtoEnums.BATTERY_PLUGGED_DOCK; // = 8
 
     /** @hide */
     public static final int BATTERY_PLUGGED_ANY =
-            BATTERY_PLUGGED_AC | BATTERY_PLUGGED_USB | BATTERY_PLUGGED_WIRELESS;
+            BATTERY_PLUGGED_AC | BATTERY_PLUGGED_USB | BATTERY_PLUGGED_WIRELESS
+                    | BATTERY_PLUGGED_DOCK;
 
     /**
      * Sent when the device's battery has started charging (or has reached full charge
diff --git a/packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatteryStatus.java b/packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatteryStatus.java
index b56ae3864fb78..4939e04dad6a5 100644
--- a/packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatteryStatus.java
+++ b/packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatteryStatus.java
@@ -88,14 +88,15 @@ public class BatteryStatus {
     }
 
     /**
-     * Determine whether the device is plugged in (USB, power, or wireless).
+     * Determine whether the device is plugged in (USB, power, wireless or dock).
      *
      * @return true if the device is plugged in.
      */
     public boolean isPluggedIn() {
         return plugged == BatteryManager.BATTERY_PLUGGED_AC
                 || plugged == BatteryManager.BATTERY_PLUGGED_USB
-                || plugged == BatteryManager.BATTERY_PLUGGED_WIRELESS;
+                || plugged == BatteryManager.BATTERY_PLUGGED_WIRELESS
+                || plugged == BatteryManager.BATTERY_PLUGGED_DOCK;
     }
 
     /**
@@ -117,6 +118,15 @@ public class BatteryStatus {
         return plugged == BatteryManager.BATTERY_PLUGGED_WIRELESS;
     }
 
+    /**
+     * Determine whether the device is plugged in dock.
+     *
+     * @return true if the device is plugged in dock
+     */
+    public boolean isPluggedInDock() {
+        return plugged == BatteryManager.BATTERY_PLUGGED_DOCK;
+    }
+
     /**
      * Whether or not the device is charged. Note that some devices never return 100% for
      * battery level, so this allows either battery level or status to determine if the
diff --git a/packages/SystemUI/res-keyguard/values/strings.xml b/packages/SystemUI/res-keyguard/values/strings.xml
index 16010430df11d..8e9e02ab0ca04 100644
--- a/packages/SystemUI/res-keyguard/values/strings.xml
+++ b/packages/SystemUI/res-keyguard/values/strings.xml
@@ -37,6 +37,9 @@
     <!-- When the lock screen is showing and the phone plugged in, and the battery is not fully charged, say that it's wirelessly charging. [CHAR LIMIT=50]  -->
     <string name="keyguard_plugged_in_wireless"><xliff:g id="percentage" example="20%">%s</xliff:g> • Charging wirelessly</string>
 
+    <!-- When the lock screen is showing and the phone plugged in, and the battery is not fully charged, say that it's dock charging. [CHAR LIMIT=50]  -->
+    <string name="keyguard_plugged_in_dock"><xliff:g id="percentage" example="20%">%s</xliff:g> • Charging Dock</string>
+
     <!-- When the lock screen is showing and the phone plugged in, and the battery
          is not fully charged, say that it's charging.  -->
     <string name="keyguard_plugged_in"><xliff:g id="percentage">%s</xliff:g> • Charging</string>
diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 49508bd11f25e..6eab2b224fd6e 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -796,6 +796,9 @@
     <!-- Indication on the keyguard that is shown when the device is charging slowly. Should match keyguard_plugged_in_charging_slowly [CHAR LIMIT=50]-->
     <string name="keyguard_indication_charging_time_slowly"><xliff:g id="percentage">%2$s</xliff:g> • Charging slowly • Full in <xliff:g id="charging_time_left" example="4 hr, 2 min">%1$s</xliff:g></string>
 
+    <!-- Indication on the keyguard that is shown when the device is dock charging. [CHAR LIMIT=80]-->
+    <string name="keyguard_indication_charging_time_dock"><xliff:g id="percentage" example="20%">%2$s</xliff:g> • Charging Dock • Full in <xliff:g id="charging_time_left" example="4 hr, 2 min">%1$s</xliff:g></string>
+
     <!-- Related to user switcher --><skip/>
 
     <!-- Accessibility label for the button that opens the user switcher. -->
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 963a0d709dac6..6335f88152c83 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -151,6 +151,7 @@ public class KeyguardIndicationController {
     private boolean mPowerPluggedIn;
     private boolean mPowerPluggedInWired;
     private boolean mPowerPluggedInWireless;
+    private boolean mPowerPluggedInDock;
     private boolean mPowerCharged;
     private boolean mBatteryOverheated;
     private boolean mEnableBatteryDefender;
@@ -786,6 +787,10 @@ public class KeyguardIndicationController {
             chargingId = hasChargingTime
                     ? R.string.keyguard_indication_charging_time_wireless
                     : R.string.keyguard_plugged_in_wireless;
+        } else if (mPowerPluggedInDock) {
+            chargingId = hasChargingTime
+                    ? R.string.keyguard_indication_charging_time_dock
+                    : R.string.keyguard_plugged_in_dock;
         } else {
             chargingId = hasChargingTime
                     ? R.string.keyguard_indication_charging_time
@@ -911,6 +916,7 @@ public class KeyguardIndicationController {
             boolean wasPluggedIn = mPowerPluggedIn;
             mPowerPluggedInWired = status.isPluggedInWired() && isChargingOrFull;
             mPowerPluggedInWireless = status.isPluggedInWireless() && isChargingOrFull;
+            mPowerPluggedInDock = status.isPluggedInDock() && isChargingOrFull;
             mPowerPluggedIn = status.isPluggedIn() && isChargingOrFull;
             mPowerCharged = status.isCharged();
             mChargingWattage = status.maxChargingWattage;
diff --git a/services/core/java/com/android/server/BatteryService.java b/services/core/java/com/android/server/BatteryService.java
index 5d48d7821cadf..2f8dea7b5f14f 100644
--- a/services/core/java/com/android/server/BatteryService.java
+++ b/services/core/java/com/android/server/BatteryService.java
@@ -323,13 +323,20 @@ public final class BatteryService extends SystemService {
         if (mHealthInfo.batteryStatus == BatteryManager.BATTERY_STATUS_UNKNOWN) {
             return true;
         }
-        if ((plugTypeSet & BatteryManager.BATTERY_PLUGGED_AC) != 0 && mHealthInfo.chargerAcOnline) {
+        if ((plugTypeSet & BatteryManager.BATTERY_PLUGGED_AC) != 0
+                && mHealthInfo.chargerAcOnline) {
             return true;
         }
-        if ((plugTypeSet & BatteryManager.BATTERY_PLUGGED_USB) != 0 && mHealthInfo.chargerUsbOnline) {
+        if ((plugTypeSet & BatteryManager.BATTERY_PLUGGED_USB) != 0
+                && mHealthInfo.chargerUsbOnline) {
             return true;
         }
-        if ((plugTypeSet & BatteryManager.BATTERY_PLUGGED_WIRELESS) != 0 && mHealthInfo.chargerWirelessOnline) {
+        if ((plugTypeSet & BatteryManager.BATTERY_PLUGGED_WIRELESS) != 0
+                && mHealthInfo.chargerWirelessOnline) {
+            return true;
+        }
+        if ((plugTypeSet & BatteryManager.BATTERY_PLUGGED_DOCK) != 0
+                && mHealthInfo.chargerDockOnline) {
             return true;
         }
         return false;
@@ -442,6 +449,8 @@ public final class BatteryService extends SystemService {
             return BatteryManager.BATTERY_PLUGGED_USB;
         } else if (healthInfo.chargerWirelessOnline) {
             return BatteryManager.BATTERY_PLUGGED_WIRELESS;
+        } else if (healthInfo.chargerDockOnline) {
+            return BatteryManager.BATTERY_PLUGGED_DOCK;
         } else {
             return BATTERY_PLUGGED_NONE;
         }
@@ -1118,6 +1127,8 @@ public final class BatteryService extends SystemService {
                 batteryPluggedValue = OsProtoEnums.BATTERY_PLUGGED_USB;
             } else if (mHealthInfo.chargerWirelessOnline) {
                 batteryPluggedValue = OsProtoEnums.BATTERY_PLUGGED_WIRELESS;
+            } else if (mHealthInfo.chargerDockOnline) {
+                batteryPluggedValue = OsProtoEnums.BATTERY_PLUGGED_DOCK;
             }
             proto.write(BatteryServiceDumpProto.PLUGGED, batteryPluggedValue);
             proto.write(