Finds out that fossil energy sources will be gone soon in future and our environment pollution is getting worse, so as a responsible corporation to our society, we jump into the field of green energy, energy storage system. Although our history is not long, our R&D team and all of our staff invest all of our capital and energy onto this field. Finally, our corporation is the only national group in Korea who builds every component of ESS system and furthermore upgrades new design of ESS. Possesses a variety of skills that can build, design, and control ESS ESS is basically composed of power-transfer system, secondary cell, and BMS.Also, we can operate these three components mentioned above to manage BMS and Controller. To operate User Interface easily, we are in a process of adding TCT/IP network, PC monitoring software, and multiple Android applicatio