Utility
AlphaESS Aster TB250/TB500
20-ft container with the full power train inside: PCS, transformer, EMS and liquid cooling pre-integrated. Delivered and installed in 3–5 days.
705–1,410 kWh
Technical specifications
- Type
- AC-coupled · 20-ft container
- Power
- 250 kW (TB250) · 500 kW (TB500)
- Capacity
- 705–1,410.7 kWh
- DC bus
- 1,000 V · operating range 631.8–842.4 V
- Battery module
- 52.2 kWh · M166314-52S-EX · IP67
- AC output
- 400 V (±15%) · 50/60 Hz · 440/880 A
- Fire safety
- Aerosol suppression
- Dimensions
- 6,058 × 2,438 × 2,896 mm
- Enclosure
- IP55 · −30…+50 °C
- Certification
- UL 9540A · IEC 62619 · IEC 62477 · UN38.3
Based on the Aster TB250/TB500 V2.3 datasheet (12.2025).
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