diff --git a/power-supply/power_supply.cpp b/power-supply/power_supply.cpp
index f8c86e3..00e3b8c 100644
--- a/power-supply/power_supply.cpp
+++ b/power-supply/power_supply.cpp
@@ -749,6 +749,25 @@
     }
 }
 
+void PowerSupply::enableHistory(const std::string& objectPath,
+                                size_t numRecords,
+                                const std::string& syncGPIOPath,
+                                size_t syncGPIONum)
+{
+    historyObjectPath = objectPath;
+    syncGPIODevPath = syncGPIOPath;
+    syncGPIONumber = syncGPIONum;
+
+    recordManager = std::make_unique<history::RecordManager>(numRecords);
+
+    auto avgPath = historyObjectPath + '/' + history::Average::name;
+    auto maxPath = historyObjectPath + '/' + history::Maximum::name;
+
+    average = std::make_unique<history::Average>(bus, avgPath);
+
+    maximum = std::make_unique<history::Maximum>(bus, maxPath);
+}
+
 }
 }
 }
diff --git a/power-supply/power_supply.hpp b/power-supply/power_supply.hpp
index 9ad1570..f17be38 100644
--- a/power-supply/power_supply.hpp
+++ b/power-supply/power_supply.hpp
@@ -1,9 +1,12 @@
 #pragma once
 #include <sdbusplus/bus/match.hpp>
+#include "average.hpp"
 #include "device.hpp"
-#include "pmbus.hpp"
-#include "timer.hpp"
+#include "maximum.hpp"
 #include "names_values.hpp"
+#include "pmbus.hpp"
+#include "record_manager.hpp"
+#include "timer.hpp"
 
 namespace witherspoon
 {
@@ -80,6 +83,20 @@
         void resolveError(const std::string& callout,
                           const std::string& message);
 
+        /**
+         * Enables making the input power history available on D-Bus
+         *
+         * @param[in] objectPath - the D-Bus object path to use
+         * @param[in] maxRecords - the number of history records to keep
+         * @param[in] syncGPIOPath - The gpiochip device path to use for
+         *                           sending the sync command
+         * @paramp[in] syncGPIONum - the GPIO number for the sync command
+         */
+        void enableHistory(const std::string& objectPath,
+                           size_t numRecords,
+                           const std::string& syncGPIOPath,
+                           size_t syncGPIONum);
+
     private:
         /**
          * The path to use for reading various PMBus bits/words.
@@ -220,6 +237,39 @@
         size_t temperatureFault = 0;
 
         /**
+         * @brief Class that manages the input power history records.
+         */
+        std::unique_ptr<history::RecordManager> recordManager;
+
+        /**
+         * @brief The D-Bus object for the average input power history
+         */
+        std::unique_ptr<history::Average> average;
+
+        /**
+         * @brief The D-Bus object for the maximum input power history
+         */
+        std::unique_ptr<history::Maximum> maximum;
+
+        /**
+         * @brief The base D-Bus object path to use for the average
+         *        and maximum objects.
+         */
+        std::string historyObjectPath;
+
+        /**
+         * @brief The GPIO device path to use for sending the 'sync'
+         *        command to the PS.
+         */
+        std::string syncGPIODevPath;
+
+        /**
+         * @brief The GPIO number to use for sending the 'sync'
+         *        command to the PS.
+         */
+        size_t syncGPIONumber = 0;
+
+        /**
          * @brief Callback for inventory property changes
          *
          * Process change of Present property for power supply.