Pylontech UF5000, which has a nominal voltage of 51.2V DC.
Additional technical specifications for this model include:
Nominal Capacity: 5.12 kWh.
Usable Capacity: Approximately 4.864 kWh.
Voltage Ranges:
Charge Voltage: 56V to 56.8V DC.
Discharge Voltage: 45.6V to 56.8V DC.
Battery Chemistry: Lithium Iron Phosphate (LiFePO4).