diff --git a/services/powermanager/ParcelDuration.cpp b/services/powermanager/ParcelDuration.cpp
new file mode 100644
index 0000000..c0ab380
--- /dev/null
+++ b/services/powermanager/ParcelDuration.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "ParcelDuration"
+
+#include <android/ParcelDuration.h>
+#include <binder/Parcel.h>
+#include <utils/Log.h>
+
+namespace android::os {
+
+status_t ParcelDuration::readFromParcel(const android::Parcel *parcel) {
+    if (parcel == nullptr) {
+        ALOGE("%s: Null parcel", __func__);
+        return BAD_VALUE;
+    }
+
+    return parcel->readInt64(&mSeconds) ?: parcel->readInt32(&mNanos);
+}
+
+status_t ParcelDuration::writeToParcel(android::Parcel *parcel) const {
+    if (parcel == nullptr) {
+        ALOGE("%s: Null parcel", __func__);
+        return BAD_VALUE;
+    }
+
+    return parcel->writeInt64(mSeconds) ?: parcel->writeInt32(mNanos);
+}
+
+} // namespace android::os