ST548KWH-250A Turnkey Solution

Battery Data

Cell type
Samsung SDI Mega E2, 3.68V/94Ah
Configuration of system
198S8P
Battery capacity (BOL)
548 kWh
Battery voltage range
633 ~ 822 V
BMS communication protocols
Modbus RTU, Modbus TCP
BMS communication interfaces
RS485, Ethernet

AC Data

Nominal AC power
250 kVA
Max. AC power
258 kVA
Max. THD of off-grid output voltage
< 3 % (linear load)
DC component
< 0.5 % (at nominal power)
Nominal grid voltage
480 V
Grid voltage range
424 ~ 508 V
Power factor
> 0.99 (at nominal power)
Nominal grid frequency
60 Hz
Grid frequency range
59.3 - 60.5Hz
Max. THD of current
< 3 % (at nominal power)

AC side (Grid)

Nominal output voltage of off-grid
480 V

Protection

General Data

Dimensions
3,200 × 2,440 × 2,280 mm 126 × 96.1 × 82.7 in
Weight
10,500 kg 23,149 lb
Isolation method
Transformer
Degree of protection
IP54
Operating ambient temperature range
-30 to 50 ℃ / -22 to 122 ℉
Allowable relative humidity range (non-condensing)
0 ~ 95 % (non-condensing)
Cooling method
Heating, Ventilation and Air Conditioning
Communication
RS485, Ethernet,
Communication protocol
Modbus RTU, Modbus TCP
Cooling strategy
Temperature controlled forced air cooling
Certification
UL9540