BYD Home Energy System, simplified as BYD HES, is an energy solution without any emission offered by the Chinese auto, battery, PV manufacturer BYD, integrating its internally developed components such as solar panel, Iron phosphate battery, inverter etc. Briefly speaking, this system generates electricity from solar power, and then stores it for whole day’s family energy use, realizing a non-contamination, non-emission life style. In addition, BYD’s pronounced its customization service for different demands from consumers/clients.