BESS comparison
AlphaESS Aster 5000 vs CLOU Electronics Aqua-C3.0 (S/H Version)
Both columns come from what AlphaESS and CLOU Electronics 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
CLOU Electronics
Aqua-C3.0 (S/H Version)
6.251 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | AlphaESS Aster 5000 | CLOU Electronics Aqua-C3.0 (S/H Version) |
|---|---|---|
| Max energy per enclosure | 5.016 MWh | 6.251 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 | 587 Ah |
| Cell configuration | not published | 1P416S×8 (8P416S) |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | 20 ft container |
| Block type | DC block | AC block (PCS integrated) |
| PCS integrated | no | yes |
| DC voltage | 1331.2 (rated) V | 1123.2–1497.6 V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 |
| Operating temperature | -40…50 (battery module) °C | -30…50 (55 optional on H) °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 43 t | 47 t |
| 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 | smoke/heat detectors, FACP, ventilation (NFPA 69), dry pipes with sprinklers, aerosol (optional on S), deflagration vent panel (optional) |
| Generation | V01 (2025-05) | 3.0 |
| Announced | not published | 2025-06 |
| Certifications | IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A | CE, CEI 0-16, EN 50549, EN 62477-1, G99, IEC 61000, IEC 62477-1, IEC 62619, IEC 62933, IEC 62993-5-2, IEC 63056, NTS 2.1, NTS SENP 1.1, UL 9540A, UN 38.3/UN 3536, VDE-AR-N 4110, VDE-AR-N 4120 |
| 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; Aqua-C3.0 (S/H Version) — 6.251 MWh
- Max power per enclosure: Aster 5000 — 2.508 MW; Aqua-C3.0 (S/H Version) — 3.125 MW
- Published durations: Aster 5000 — 2 h; Aqua-C3.0 (S/H Version) — 2 h · 4 h
- Block type: Aster 5000 — DC block; Aqua-C3.0 (S/H Version) — AC block (PCS integrated)
- PCS integrated: Aster 5000 — no; Aqua-C3.0 (S/H Version) — yes
- DC voltage: Aster 5000 — 1331.2 (rated) V; Aqua-C3.0 (S/H Version) — 1123.2–1497.6 V
- Operating temperature: Aster 5000 — -40…50 (battery module) °C; Aqua-C3.0 (S/H Version) — -30…50 (55 optional on H) °C
- Weight: Aster 5000 — 43 t; Aqua-C3.0 (S/H Version) — 47 t
- Fire suppression: Aster 5000 — aerosol + sprinkler (redundant dual-extinguishing) + explosion relief panel; Aqua-C3.0 (S/H Version) — smoke/heat detectors, FACP, ventilation (NFPA 69), dry pipes with sprinklers, aerosol (optional on S), deflagration vent panel (optional)
- Generation: Aster 5000 — V01 (2025-05); Aqua-C3.0 (S/H Version) — 3.0
- Certifications: Aster 5000 — IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A; Aqua-C3.0 (S/H Version) — CE, CEI 0-16, EN 50549, EN 62477-1, G99, IEC 61000, IEC 62477-1, IEC 62619, IEC 62933, IEC 62993-5-2, IEC 63056, NTS 2.1, NTS SENP 1.1, UL 9540A, UN 38.3/UN 3536, VDE-AR-N 4110, VDE-AR-N 4120
Published by only one of the two: Cell capacity, Cell configuration, 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 |
CLOU Electronics Aqua-C3.0 (S/H Version) variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| Aqua-C3.0H 6250 kWh / 3125 kW @0.5CP (DC, HV box) | 6.25 MWh | 3.125 MW | 2 h |
| Aqua-C3.0S 6251 kWh / 1563 kVA (string PCS) | 6.251 MWh | 1.563 MW | 4 h |
Full model cards
Open AlphaESS Aster 5000 →Open CLOU Electronics Aqua-C3.0 (S/H Version) →
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