BESS comparison
AlphaESS Aster 5000 vs BYD Energy Storage MC Cube-T Pro BESS
Both columns come from what AlphaESS and BYD Energy Storage 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
BYD Energy Storage
MC Cube-T Pro BESS
8.576 MWh
modular blockliquid-cooledLFPshipping
Specifications side by side
| Field | AlphaESS Aster 5000 | BYD Energy Storage MC Cube-T Pro BESS |
|---|---|---|
| Max energy per enclosure | 5.016 MWh | 8.576 MWh |
| Max power per enclosure | 2.508 MW | 4.008 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 | not published |
| Cell configuration | not published | 2×6×1P416S (12-cube) / 2×8×1P416S (16-cube) |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | modular block |
| Block type | DC block | DC block |
| PCS integrated | no | no |
| DC voltage | 1331.2 (rated) V | 1081.6–1489.3; 1331.2 nominal 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 | 8815 × 2442 × 3170 mm |
| Weight | 43 t | not published |
| Energy density | not published | not published |
| Round-trip efficiency | not published | not published |
| 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 | perfluorohexanone gas suppression + water spray |
| Generation | V01 (2025-05) | MC Cube-T Pro (China market, A-series) |
| Announced | not published | 2024-04 |
| Certifications | IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A | GB 44240, GB/T 34131, GB/T 36276, GB/T 44026 |
| 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; MC Cube-T Pro BESS — 8.576 MWh
- Max power per enclosure: Aster 5000 — 2.508 MW; MC Cube-T Pro BESS — 4.008 MW
- Published durations: Aster 5000 — 2 h; MC Cube-T Pro BESS — 2 h · 4 h
- Form factor: Aster 5000 — 20 ft container; MC Cube-T Pro BESS — modular block
- DC voltage: Aster 5000 — 1331.2 (rated) V; MC Cube-T Pro BESS — 1081.6–1489.3; 1331.2 nominal V
- Operating temperature: Aster 5000 — -40…50 (battery module) °C; MC Cube-T Pro BESS — -30…55 °C
- Dimensions (L × W × H): Aster 5000 — 6058 × 2438 × 2896 mm; MC Cube-T Pro BESS — 8815 × 2442 × 3170 mm
- Fire suppression: Aster 5000 — aerosol + sprinkler (redundant dual-extinguishing) + explosion relief panel; MC Cube-T Pro BESS — perfluorohexanone gas suppression + water spray
- Generation: Aster 5000 — V01 (2025-05); MC Cube-T Pro BESS — MC Cube-T Pro (China market, A-series)
- Certifications: Aster 5000 — IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A; MC Cube-T Pro BESS — GB 44240, GB/T 34131, GB/T 36276, GB/T 44026
Published by only one of the two: Cell configuration, Weight, 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 |
BYD Energy Storage MC Cube-T Pro BESS variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| XH12C-B6012-A-R2 (6.0 MWh 2h) | 6.012 MWh | 3.006 MW | 2 h |
| XH12C-B6432-A-R4 (6.4 MWh 4h) | 6.432 MWh | 1.608 MW | 4 h |
| XH16C-B8016-A-R2 (8.0 MWh 2h) | 8.016 MWh | 4.008 MW | 2 h |
| XH16C-B8576-A-R4 (8.6 MWh 4h) | 8.576 MWh | 2.144 MW | 4 h |
Full model cards
Open AlphaESS Aster 5000 →Open BYD Energy Storage MC Cube-T Pro BESS →
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