Livsol 12/24V 20A / 40 Ampere, Solar Charge Controller is a PWM based High Quality Solar CCU with Built-in power Management & LCD Display. It helps user to keep track of Solar Panel and Battery performance, by accurate display of Battery Voltage and Charging current. The charging process has been optimized for long battery life and improved system performance. The comprehensive self-diagnostics and extensive electronic protection can prevent damage against incorrect wiring or system faults. If the sunlight is full then solar charge controller charge the battery with the first priority of solar energy, when the battery is fully charged, it runs the load from the solar and automatically starts running the load on the power back in the evening. Solar management unit gives first priority to solar panel’s power. The best part of Livsol SMU (solar management unit) is that it runs on one inverter with one battery or two batteries. It has best features to automatic battery selection. It is available in 12V or 24V.