BESS comparison
AlphaESS Aster 5000 vs HyperStrong HyperBlock M (AC version)
Both columns come from what AlphaESS and HyperStrong 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
HyperStrong
HyperBlock M (AC version)
12.8 MWh
modular blockliquid-cooledLFPshipping
Specifications side by side
| Field | AlphaESS Aster 5000 | HyperStrong HyperBlock M (AC version) |
|---|---|---|
| Max energy per enclosure | 5.016 MWh | 12.8 MWh |
| Max power per enclosure | 2.508 MW | 3.2 MW |
| Published durations | 2 h | 4 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | not published | 601 Ah |
| Cell configuration | not published | 8P416S / 16P416S |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | modular block |
| Block type | DC block | AC block (PCS integrated) |
| PCS integrated | no | yes |
| DC voltage | 1331.2 (rated) V | 1123.2–1497.6 (rated 1331.2) V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | Container IP55, Pack IP65, PDU 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 | 24 t |
| Energy density | not published | not published |
| Round-trip efficiency | not published | 93% |
| Cycle life | not published | 10,000 · >10000cls@SOH70%, 0.5P, to achieve up to 20 years of operation life guarantee |
| Calendar life | not published | 20 y |
| Warranty | not published | not published |
| Fire suppression | aerosol + sprinkler (redundant dual-extinguishing) + explosion relief panel | Combustible gas detection, temperature sensor, smoke detection, cabin level aerosols, deflagration venting panels, water fire protection |
| Generation | V01 (2025-05) | MagicBlock platform, 2025 |
| Announced | not published | 2025-05 |
| Certifications | IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A | EN50549, EN61000, G99, IEC60730, IEC62477, IEC62619, IEC62933, IEEE1547, NFPA855/68/69, UL1741, UL1973, UL9540, UL9540A, UN38.3, VDE4110, VDE4120 |
| 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; HyperBlock M (AC version) — 12.8 MWh
- Max power per enclosure: Aster 5000 — 2.508 MW; HyperBlock M (AC version) — 3.2 MW
- Published durations: Aster 5000 — 2 h; HyperBlock M (AC version) — 4 h
- Form factor: Aster 5000 — 20 ft container; HyperBlock M (AC version) — modular block
- Block type: Aster 5000 — DC block; HyperBlock M (AC version) — AC block (PCS integrated)
- PCS integrated: Aster 5000 — no; HyperBlock M (AC version) — yes
- DC voltage: Aster 5000 — 1331.2 (rated) V; HyperBlock M (AC version) — 1123.2–1497.6 (rated 1331.2) V
- Ingress protection: Aster 5000 — IP55; HyperBlock M (AC version) — Container IP55, Pack IP65, PDU IP55
- Operating temperature: Aster 5000 — -40…50 (battery module) °C; HyperBlock M (AC version) — -30…55 °C
- Weight: Aster 5000 — 43 t; HyperBlock M (AC version) — 24 t
- Fire suppression: Aster 5000 — aerosol + sprinkler (redundant dual-extinguishing) + explosion relief panel; HyperBlock M (AC version) — Combustible gas detection, temperature sensor, smoke detection, cabin level aerosols, deflagration venting panels, water fire protection
- Generation: Aster 5000 — V01 (2025-05); HyperBlock M (AC version) — MagicBlock platform, 2025
- Certifications: Aster 5000 — IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A; HyperBlock M (AC version) — EN50549, EN61000, G99, IEC60730, IEC62477, IEC62619, IEC62933, IEEE1547, NFPA855/68/69, UL1741, UL1973, UL9540, UL9540A, UN38.3, VDE4110, VDE4120
Published by only one of the two: Cell capacity, Cell configuration, Round-trip efficiency, Cycle life, Calendar life, 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 |
HyperStrong HyperBlock M (AC version) variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| HSL3G71-06400 — 6.4 MWh / 400 kW×4 | 6.4 MWh | 1.6 MW | 4 h |
| HSL3G71-12800 — 12.8 MWh / 400 kW×8 | 12.8 MWh | 3.2 MW | 4 h |
Full model cards
Open AlphaESS Aster 5000 →Open HyperStrong HyperBlock M (AC version) →
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