diff --git a/tests/cts/net/src/android/net/cts/BatteryStatsManagerTest.java b/tests/cts/net/src/android/net/cts/BatteryStatsManagerTest.java
index e2821cb..3c71c90 100644
--- a/tests/cts/net/src/android/net/cts/BatteryStatsManagerTest.java
+++ b/tests/cts/net/src/android/net/cts/BatteryStatsManagerTest.java
@@ -155,6 +155,13 @@
         // removing data activity tracking.
         mCtsNetUtils.ensureWifiConnected();
 
+        // There's rate limit to update mobile battery so if ConnectivityService calls
+        // BatteryStatsManager.reportMobileRadioPowerState when default network changed,
+        // the mobile stats might not be updated. But if the mobile update due to other
+        // reasons (plug/unplug, battery level change, etc) will be unaffected. Thus here
+        // dumps the battery stats to trigger a full sync of data.
+        executeShellCommand("dumpsys batterystats");
+
         // Check cellular battery stats are updated.
         runAsShell(UPDATE_DEVICE_STATS,
                 () -> assertStatsEventually(mBsm::getCellularBatteryStats,