# OVERVIEW In this video, we will review the features and functions of the PWM-30-UL solar controller, including: * Buttons * Ports * LED screen icons
The solar controller is an essential part of your solar system. In this video we take you through how to use your controller, including: * Viewing device data * Setting battery type * Using the AC button with a compatible Go Power! inverter * USB Charging * Max Boost Function
![][1]**Ensure the Solar Panels are covered**. Cover the panel faces completely with an opaque material to stop the production of electricity when working with panels or wiring – the cardboard shipping boxes are the perfect option to cover glass surface of the panels. 1. Use the template included in the GP-PWM-30 M…