Learn how to connect solar panels with an MPPT charge controller in a complete step-by-step explanation. This video covers everything from series and parallel wiring, proper cable sizing, and how the MPPT controller optimizes charging efficiency for your battery. In this guide, we will walk you through the process of connecting solar panels to an MPPT charge controller, ensuring an effective and efficient solar energy setup. A correct connection not only improves solar electricity generation but also protects your batteries and increases the overall system life. Before connection Before the wiring, you first remove the cover and loosen the connection lock, and then you will see the wiring terminals for the solar panel, battery, and load as. VE. Therefore the PV, battery and control circuit are considered hazardous and should not be user accessible.