... and battery in solar system, which is below 180W(12V) or below 360W(24V). The product can automatically ... can be proceed, otherwise, the following may damage the controller. 2. Connect “+” and “-”poles of solar panels ... correct ports on the controller (the fifth and sixth wires from the left). Indicator LED:1. The battery is ... Regulator 10A, 12/24v, Solar Charge Controller, charging battery, PWM, new