DC connection


Storage-30-20

Storage-50-20

Energy (at 100% depth of discharge)

32 kWh (with four battery modules)

56 kWh (with seven battery modules)

Nominal voltage

324 V

567 V

Voltage range

290 V to 365 V

508 V to 639 V

Nominal charge/discharge current

100 A

100 A

Maximum C rate

1C (in conjunction with STPS30-20)

1C (in conjunction with STPS50-20)

Overvoltage category

III

III

Cell

Lithium NMC prismatic (Samsung SDI)

Lithium NMC prismatic (Samsung SDI)

Battery balancing

DynamiX Battery Optimizer

DynamiX Battery Optimizer

Anticipated cycles at 100% DoD, 70% SoH, 23°C +/-5°C and 1C/1C1)

6000

6000

Anticipated cycles at 100% DoD, 70% SoH, 23°C +/-5°C and 0.5C/0.5C1)

8000

8000

Guaranteed cycles at 100% DoD, 70% SoH, 23°C +/-5°C and 1C/1C1)

4500

4500

Guaranteed cycles at 100% DoD, 70% SoH, 23°C +/-5°C and 0.5C/0.5C1)

6000

6000

Battery efficiency

Up to 98%

Up to 98%

Self-consumption in standby mode (without battery inverter)

5 W

5 W

1) DoD: Depth of discharge

SoH: State of health of battery

The specification 1C/1C means that the entire battery charges or discharges in 1 hour. The specification 0.5C/0.5C means that the entire battery charges or discharges in 2 hours.