diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml
index 260d81b..3391b40 100644
--- a/packages/SystemUI/res/values/config.xml
+++ b/packages/SystemUI/res/values/config.xml
@@ -296,5 +296,7 @@
     <!-- Duration of the expansion animation in the volume dialog -->
     <item name="volume_expand_animation_duration" type="integer">300</item>
 
+    <!-- Whether or not to show battery level text. -->
+    <bool name="config_showBatteryPercentage">false</bool>
 </resources>
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
index b93fc76..418fc92 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java
@@ -104,7 +104,9 @@
         } else if (mMultiUserSwitch.getParent() == this && mKeyguardUserSwitcherShowing) {
             removeView(mMultiUserSwitch);
         }
-        mBatteryLevel.setVisibility(mBatteryCharging ? View.VISIBLE : View.GONE);
+        boolean showBatteryLevel = getResources().getBoolean(R.bool.config_showBatteryPercentage);
+        mBatteryLevel.setVisibility(
+                mBatteryCharging || showBatteryLevel ? View.VISIBLE : View.GONE);
     }
 
     private void updateSystemIconsLayoutParams() {