@powmr_solar: Quick Installation of POW-48140A This 140A high voltage solar controller uses MPPT technology to achieve maximum energy collection efficiency by monitoring the voltage and current output of the solar panel in real-time. Up to 450V input, which means it can handle more solar panels connected in series, It can reduce the overall line loss and connection complexity of the system and improve charging efficiency. More Info: https://powmr.com/products/mppt-solar-charge-controller-140a-48v