"This extension set enables an existing Hoymiles storage system to be easily supplemented by an additional HB-1920-AC unit.
Ideal for expanding the storage capacity or for the modular expansion of an energy system.
Fasteners: Brackets for the secure connection of both HB-1920-AC storage unitsWall mounts: Stable bracket for reliable wall mounting of the upper storage unitConnection cable: Connection cable for connecting both storage units in parallel operation"