Recently, GREE Altairnano Energy Storage Systems for Communication Stations have been launched in a number of high-altitude areas in Sichuan, such as Liangshan Prefecture, Ganzi Prefecture and Aba Prefecture. As a backup power that features safety, reliability, low-temperature resistance and super long life, GREE Energy Storage System will provide emergency power in the case of insufficient power supply or accidental power failure. They are a strong guarantee for communication base stations in high-altitude and low-temperature area in ensuring safe operation and smooth communication.