Flexible Capacity 6.9 kWh per Battery Module Scalable from 6.9 kWh to 20.7 kWh per Group Max. 4 Groups with 82.8 kWh for an Inverter8 Easy Installation Cable Free Connection Between Modules Horizontal Adjustment Design Quick Commissioning More Usable Energy Module+ Architecture, Built-in Energy Optimizer Ultra-long Service Time 100% Depth of Discharge Aesthetically Pleasing Design Breathing Star Ring Display Silky Curve Design Simplistic and Borderless