diff --git a/packages/SystemUI/res/values/strings.xml b/packages/SystemUI/res/values/strings.xml
index 496ab439bdc02..ecbe59872a21f 100644
--- a/packages/SystemUI/res/values/strings.xml
+++ b/packages/SystemUI/res/values/strings.xml
@@ -1425,6 +1425,9 @@
     <!-- Indication on the keyguard that appears when the user disables trust agents until the next time they unlock manually. [CHAR LIMIT=NONE] -->
     <string name="keyguard_indication_trust_disabled">Device will stay locked until you manually unlock</string>
 
+    <!-- Indication on the keyguard that appears when trust agents unlocks the device and device is plugged in. [CHAR LIMIT=NONE] -->
+    <string name="keyguard_indication_trust_unlocked_plugged_in"><xliff:g id="keyguard_indication" example="Kept unlocked by TrustAgent">%1$s</xliff:g>\n<xliff:g id="power_indication" example="Charging Slowly">%2$s</xliff:g></string>
+
     <!-- Title of notification educating the user about enabling notifications on the lockscreen. [CHAR LIMIT=40] -->
     <string name="hidden_notifications_title">Get notifications faster</string>
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 4f8e6cfdf767e..9af90d6979478 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -284,6 +284,14 @@ public class KeyguardIndicationController implements StateListener,
         return mContext.getString(R.string.keyguard_indication_trust_unlocked);
     }
 
+    /**
+     * Sets if the device is plugged in
+     */
+    @VisibleForTesting
+    void setPowerPluggedIn(boolean plugged) {
+        mPowerPluggedIn = plugged;
+    }
+
     /**
      * Returns the indication text indicating that trust is currently being managed.
      *
@@ -382,29 +390,48 @@ public class KeyguardIndicationController implements StateListener,
             int userId = KeyguardUpdateMonitor.getCurrentUser();
             String trustGrantedIndication = getTrustGrantedIndication();
             String trustManagedIndication = getTrustManagedIndication();
+
+            String powerIndication = null;
+            if (mPowerPluggedIn) {
+                powerIndication = computePowerIndication();
+            }
+
             if (!mKeyguardUpdateMonitor.isUserUnlocked(userId)) {
                 mTextView.switchIndication(com.android.internal.R.string.lockscreen_storage_locked);
                 mTextView.setTextColor(mInitialTextColorState);
             } else if (!TextUtils.isEmpty(mTransientIndication)) {
-                mTextView.switchIndication(mTransientIndication);
+                if (powerIndication != null) {
+                    String indication = mContext.getResources().getString(
+                            R.string.keyguard_indication_trust_unlocked_plugged_in,
+                            mTransientIndication, powerIndication);
+                    mTextView.switchIndication(indication);
+                } else {
+                    mTextView.switchIndication(mTransientIndication);
+                }
                 mTextView.setTextColor(mTransientTextColorState);
             } else if (!TextUtils.isEmpty(trustGrantedIndication)
                     && mKeyguardUpdateMonitor.getUserHasTrust(userId)) {
-                mTextView.switchIndication(trustGrantedIndication);
+                if (powerIndication != null) {
+                    String indication = mContext.getResources().getString(
+                            R.string.keyguard_indication_trust_unlocked_plugged_in,
+                            trustGrantedIndication, powerIndication);
+                    mTextView.switchIndication(indication);
+                } else {
+                    mTextView.switchIndication(trustGrantedIndication);
+                }
                 mTextView.setTextColor(mInitialTextColorState);
             } else if (!TextUtils.isEmpty(mAlignmentIndication)) {
                 mTextView.switchIndication(mAlignmentIndication);
                 mTextView.setTextColor(Utils.getColorError(mContext));
             } else if (mPowerPluggedIn) {
-                String indication = computePowerIndication();
                 if (DEBUG_CHARGING_SPEED) {
-                    indication += ",  " + (mChargingWattage / 1000) + " mW";
+                    powerIndication += ",  " + (mChargingWattage / 1000) + " mW";
                 }
                 mTextView.setTextColor(mInitialTextColorState);
                 if (animate) {
-                    animateText(mTextView, indication);
+                    animateText(mTextView, powerIndication);
                 } else {
-                    mTextView.switchIndication(indication);
+                    mTextView.switchIndication(powerIndication);
                 }
             } else if (!TextUtils.isEmpty(trustManagedIndication)
                     && mKeyguardUpdateMonitor.getUserTrustIsManaged(userId)
@@ -469,7 +496,8 @@ public class KeyguardIndicationController implements StateListener,
                 });
     }
 
-    private String computePowerIndication() {
+    @VisibleForTesting
+    String computePowerIndication() {
         if (mPowerCharged) {
             return mContext.getResources().getString(R.string.keyguard_charged);
         }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
index 581d795af3df0..f72b18cbd8a58 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/KeyguardIndicationControllerTest.java
@@ -403,4 +403,18 @@ public class KeyguardIndicationControllerTest extends SysuiTestCase {
         verify(mStatusBarStateController).addCallback(eq(mController));
         verify(mKeyguardUpdateMonitor, times(2)).registerCallback(any());
     }
+
+    @Test
+    public void unlockMethodCache_listenerUpdatesPluggedIndication() {
+        createController();
+        when(mKeyguardUpdateMonitor.getUserHasTrust(anyInt())).thenReturn(true);
+        mController.setPowerPluggedIn(true);
+        mController.setVisible(true);
+        String powerIndication = mController.computePowerIndication();
+        String pluggedIndication = mContext.getString(R.string.keyguard_indication_trust_unlocked);
+        pluggedIndication = mContext.getString(
+                R.string.keyguard_indication_trust_unlocked_plugged_in,
+                pluggedIndication, powerIndication);
+        assertThat(mTextView.getText()).isEqualTo(pluggedIndication);
+    }
 }