diff --git a/intellinet_pdu_ctrl/api.py b/intellinet_pdu_ctrl/api.py
index 3522fcb..a0a8222 100644
--- a/intellinet_pdu_ctrl/api.py
+++ b/intellinet_pdu_ctrl/api.py
@@ -119,7 +119,9 @@ async def set_credentials(self, new_credentials: aiohttp.BasicAuth) -> None:
 
         status = await self.get_status()
 
-        assert status.user_verify_result == UserVerifyResult.CREDENTIALS_CHANGED
+        assert (
+            status.user_verify_result == UserVerifyResult.CREDENTIALS_CHANGED
+        ), f"Credentials were not changed {status.user_verify_result=}"
 
         self.session._default_auth = new_credentials
 
@@ -137,3 +139,8 @@ async def get_system_configuration(self) -> SystemConfiguration:
         return SystemConfiguration.from_xml(
             await self._get_request(PDUEndpoints.system)
         )
+
+    async def set_system_configuration(
+        self, system_config: SystemConfiguration
+    ) -> None:
+        await self._post_request(PDUEndpoints.system, data=system_config.to_dict())
diff --git a/intellinet_pdu_ctrl/types.py b/intellinet_pdu_ctrl/types.py
index ad0d00f..f67e679 100644
--- a/intellinet_pdu_ctrl/types.py
+++ b/intellinet_pdu_ctrl/types.py
@@ -220,3 +220,11 @@ def from_xml(cls, e: et._Element) -> Self:
             administrator=find_input_value_in_xml(e, "admin"),
             system_location=find_input_value_in_xml(e, "loc"),
         )
+
+    def to_dict(self) -> dict[str, str]:
+        return {
+            "mac": self.mac_address,
+            "sysnm": self.system_name,
+            "admin": self.administrator,
+            "loc": self.system_location,
+        }