Power Consumption with Custom OID


I want to draw a graph of Power Consumption with Custom OID, the values I get are 200 - 300 watts.
I am attaching a picture to the chart and the configuration of my configuration.

Can you tell me where I’m wrong?

$ ./validate.php

Component Version
LibreNMS 22.3.0-28-g4910761c2
DB Schema 2022_02_03_164059_increase_auth_id_length (235)
PHP 7.4.3
Python 3.8.10
MySQL 10.5.15-MariaDB-1:10.5.15+maria~focal
RRDTool 1.7.2
SNMP 5.8


[OK] Composer Version: 2.3.3
[OK] Dependencies up-to-date.
[OK] Database connection successful
[OK] Database schema correct