diff --git a/include/batteryservice/BatteryService.h b/include/batteryservice/BatteryService.h
index 829061a..6bc3f07 100644
--- a/include/batteryservice/BatteryService.h
+++ b/include/batteryservice/BatteryService.h
@@ -43,6 +43,12 @@
     BATTERY_HEALTH_COLD = 7, // equals BatteryManager.BATTERY_HEALTH_COLD constant
 };
 
+// must be kept in sync with definitions in BatteryProperty.java
+enum {
+    BATTERY_PROP_CHARGE_COUNTER = 1, // equals BatteryProperty.BATTERY_PROP_CHARGE_COUNTER constant
+    BATTERY_PROP_CURRENT_NOW = 2, // equals BatteryProperty.BATTERY_PROP_CURRENT_NOW constant
+};
+
 struct BatteryProperties {
     bool chargerAcOnline;
     bool chargerUsbOnline;
@@ -61,6 +67,13 @@
     status_t readFromParcel(Parcel* parcel);
 };
 
+struct BatteryProperty {
+    int valueInt;
+
+    status_t writeToParcel(Parcel* parcel) const;
+    status_t readFromParcel(Parcel* parcel);
+};
+
 }; // namespace android
 
 #endif // ANDROID_BATTERYSERVICE_H
diff --git a/include/batteryservice/IBatteryPropertiesRegistrar.h b/include/batteryservice/IBatteryPropertiesRegistrar.h
index 8d28b1d..eca075d 100644
--- a/include/batteryservice/IBatteryPropertiesRegistrar.h
+++ b/include/batteryservice/IBatteryPropertiesRegistrar.h
@@ -26,6 +26,7 @@
 enum {
     REGISTER_LISTENER = IBinder::FIRST_CALL_TRANSACTION,
     UNREGISTER_LISTENER,
+    GET_PROPERTY,
 };
 
 class IBatteryPropertiesRegistrar : public IInterface {
@@ -34,6 +35,7 @@
 
     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;
 };
 
 class BnBatteryPropertiesRegistrar : public BnInterface<IBatteryPropertiesRegistrar> {