diff --git a/include/batteryservice/IBatteryPropertiesRegistrar.h b/include/batteryservice/IBatteryPropertiesRegistrar.h
index b5c3a4d..a7dbea6 100644
--- a/include/batteryservice/IBatteryPropertiesRegistrar.h
+++ b/include/batteryservice/IBatteryPropertiesRegistrar.h
@@ -27,6 +27,7 @@
     REGISTER_LISTENER = IBinder::FIRST_CALL_TRANSACTION,
     UNREGISTER_LISTENER,
     GET_PROPERTY,
+    SCHEDULE_UPDATE,
 };
 
 class IBatteryPropertiesRegistrar : public IInterface {
@@ -36,6 +37,7 @@
     virtual void registerListener(const sp<IBatteryPropertiesListener>& listener) = 0;
     virtual void unregisterListener(const sp<IBatteryPropertiesListener>& listener) = 0;
     virtual status_t getProperty(int id, struct BatteryProperty *val) = 0;
+    virtual void scheduleUpdate() = 0;
 };
 
 class BnBatteryPropertiesRegistrar : public BnInterface<IBatteryPropertiesRegistrar> {
diff --git a/services/batteryservice/IBatteryPropertiesRegistrar.cpp b/services/batteryservice/IBatteryPropertiesRegistrar.cpp
index 1fdda43..01a65ae 100644
--- a/services/batteryservice/IBatteryPropertiesRegistrar.cpp
+++ b/services/batteryservice/IBatteryPropertiesRegistrar.cpp
@@ -60,6 +60,12 @@
                 val->readFromParcel(&reply);
             return ret;
         }
+
+        void scheduleUpdate() {
+            Parcel data;
+            data.writeInterfaceToken(IBatteryPropertiesRegistrar::getInterfaceDescriptor());
+            remote()->transact(SCHEDULE_UPDATE, data, NULL);
+        }
 };
 
 IMPLEMENT_META_INTERFACE(BatteryPropertiesRegistrar, "android.os.IBatteryPropertiesRegistrar");
@@ -97,6 +103,12 @@
             val.writeToParcel(reply);
             return OK;
         }
+
+        case SCHEDULE_UPDATE: {
+            CHECK_INTERFACE(IBatteryPropertiesRegistrar, data, reply);
+            scheduleUpdate();
+            return OK;
+        }
     }
     return BBinder::onTransact(code, data, reply, flags);
 };