Alfa+ Solar PCU 7.5kVA/120V that is mainly used in Hospitals, schools, industries petrol pumps, banks and also in home. It continuously monitor battery and solar voltage as well as grid and output voltage with their current. PCU (Power Conditioning Unit) is an integrated unit consists of grid charger, inverter, MPPT Solar Charger. Alfa+ Solar PCU 7.5kVA/120V is a Model of Power Conditioning Unit (PCU) which uses Solar (primary) and Grid (secondary), to charge the batteries.