Sigenergy SigenStack Main Base 1C Reliable, scalable, and engineered as the foundation of high-performance commercial energy storage. The Sigenergy SigenStack Main Base 1C is a purpose-built foundation module designed for seamless integration within the Sigenergy SigenStack 1C commercial and industrial energy storage system. Serving as the mechanical, electrical, and communication base of the primary SigenStack tower, it supports the installation of up to five SigenStack BAT 12.0 battery modules, enabling configurations of up to 60.4 kWh total installed battery capacity and 58.8 kWh usable energy per main tower. Integrated power distribution, battery balancing, and CAN communication interfaces enable efficient system assembly and reliable operation across the entire energy storage platform. With an IP66-rated enclosure, robust floor-mounted construction, and compatibility with the complete SigenStack 1C ecosystem, the Main Base 1C provides a durable and scalable foundation for commercial and industrial energy storage applications, supporting flexible system expansion and long-term operational reliability. More information: Datasheet Installation Guide Warranty