GSL's flexible energy storage systems are designed for indoor and outdoor installation. The containers are built for both small-scale and large-scale energy storage systems with the power of up to multi-megawatt. All our systems use the same building block structure of a GSL partnered with our own inverter. It can minimize the possibility of a single point's failure in the system and maximize reliability. Large-scale systems use a multi-tower power source controller to manage the cells across the entire system.