BESS comparison
AlphaESS Aster 5000 vs HiTHIUM ∞Power 6.25MWh
Both columns come from what AlphaESS and HiTHIUM publish. Fields either maker does not publish are marked «not published»; we do not estimate or rank.
AlphaESS
Aster 5000
5.016 MWh
20 ft containerliquid-cooledLFPshipping
HiTHIUM
∞Power 6.25MWh
6.25 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | AlphaESS Aster 5000 | HiTHIUM ∞Power 6.25MWh |
|---|---|---|
| Max energy per enclosure | 5.016 MWh | 6.25 MWh |
| Max power per enclosure | 2.508 MW | 3.125 MW |
| Published durations | 2 h | 2 h · 4 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | not published | 1175 Ah |
| Cell configuration | not published | 4*1P416S (4h) / 8*1P416S (2h) |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | 20 ft container |
| Block type | DC block | DC block |
| PCS integrated | no | no |
| DC voltage | 1331.2 (rated) V | 1040–1500 (nominal 1331.2) V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 |
| Operating temperature | -40…50 (battery module) °C | -30…55 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 43 t | 48 t |
| Energy density | not published | 130 Wh/kg |
| Round-trip efficiency | not published | 95% |
| Cycle life | not published | not published |
| Calendar life | not published | not published |
| Warranty | not published | not published |
| Fire suppression | aerosol + sprinkler (redundant dual-extinguishing) + explosion relief panel | multi-stage active fire detection and protection system (NFPA 855 compliant); type of agent not specified in datasheet |
| Generation | V01 (2025-05) | ∞Pack+ platform (2024) |
| Announced | not published | 2024-12 |
| Certifications | IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A | IEC 61000, IEC 62477, IEC 62619, IEC 62620, IEC 62933, IEC 63056, NFPA 855, UL 1973, UL 9540, UL 9540A, UN 38.3 |
| Public datasheet | yes | yes |
Where they differ
Only fields both manufacturers publish and where the values are not identical. Not a judgement — the right choice depends on the project.
- Max energy per enclosure: Aster 5000 — 5.016 MWh; ∞Power 6.25MWh — 6.25 MWh
- Max power per enclosure: Aster 5000 — 2.508 MW; ∞Power 6.25MWh — 3.125 MW
- Published durations: Aster 5000 — 2 h; ∞Power 6.25MWh — 2 h · 4 h
- DC voltage: Aster 5000 — 1331.2 (rated) V; ∞Power 6.25MWh — 1040–1500 (nominal 1331.2) V
- Operating temperature: Aster 5000 — -40…50 (battery module) °C; ∞Power 6.25MWh — -30…55 °C
- Weight: Aster 5000 — 43 t; ∞Power 6.25MWh — 48 t
- Fire suppression: Aster 5000 — aerosol + sprinkler (redundant dual-extinguishing) + explosion relief panel; ∞Power 6.25MWh — multi-stage active fire detection and protection system (NFPA 855 compliant); type of agent not specified in datasheet
- Generation: Aster 5000 — V01 (2025-05); ∞Power 6.25MWh — ∞Pack+ platform (2024)
- Certifications: Aster 5000 — IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A; ∞Power 6.25MWh — IEC 61000, IEC 62477, IEC 62619, IEC 62620, IEC 62933, IEC 63056, NFPA 855, UL 1973, UL 9540, UL 9540A, UN 38.3
Published by only one of the two: Cell capacity, Cell configuration, Energy density, Round-trip efficiency, Announced.
Variants
AlphaESS Aster 5000 variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| Aster 5000 (AlphaCS-H20-DC-LC-EX, 12 clusters, 0.5 P) | 5.016 MWh | 2.508 MW | 2 h |
HiTHIUM ∞Power 6.25MWh variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| 6.25 MWh 2h (587 Ah cells, 8*1P416S, 0.5P) | 6.25 MWh | 3.125 MW | 2 h |
| 6.25 MWh 4h (1175 Ah cells, 4*1P416S, 0.25P) | 6.25 MWh | 1.562 MW | 4 h |
Full model cards
Open AlphaESS Aster 5000 →Open HiTHIUM ∞Power 6.25MWh →
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