Integrated PV-storage-charging products combine solar generation, storage and charging piles for efficient energy use. Storage balances supply and demand to ensure stable charger operation while cutting carbon emissions. Reference case: an SPIC PV+ESS+charging project on 7 mu with 300 parking spaces, 50× 360kW 6-split chargers (18MW total), 1,500 PV modules (832.5kW) and 6.88 MWh storage.