With the SigenStack, Sigenergy sets new standards for modular commercial energy storage systems. Suitable for both indoor and outdoor installation, the system comprises a hybrid inverter and multiple stacks of battery modules. The maximum weight of any single system component is 105 kg, ensuring efficient and straightforward installation. With a usable capacity of 11.7 kWh per battery and systems accommodating between 4 and 21 units, a total capacity of up to 246 kWh is achievable. Inverter power ratings range from 50 kW to 125 kW, with models available both with and without backup functionality. A comprehensive suite of protection features and interfaces ensures the system meets virtually all requirements. Parallel connection allows for the implementation of larger-scale installations reaching the megawatt range.