Batterybank is used for extending battery storage by 10 pcs of 2,4 kWh batteries to a total capacity of 24 kWh. It is necessary to purchase printed circuit board PK 485 for capacity higher than 19,2 kWh (8 pcs). (In special cases, the number of batteries could be increased to 10+2. This solution is strictly a subject to review and approve by the manufacturer and cannot be guaranteed in advance.)