BESS comparison
CLOU Electronics Aqua-C3.0 (S/H Version) vs Great Power Max-20HC-5000
Both columns come from what CLOU Electronics and Great Power publish. Fields either maker does not publish are marked «not published»; we do not estimate or rank.
CLOU Electronics
Aqua-C3.0 (S/H Version)
6.251 MWh
20 ft containerliquid-cooledLFPshipping
Great Power
Max-20HC-5000
5 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | CLOU Electronics Aqua-C3.0 (S/H Version) | Great Power Max-20HC-5000 |
|---|---|---|
| Max energy per enclosure | 6.251 MWh | 5 MWh |
| Max power per enclosure | 3.125 MW | 2.5 MW |
| Published durations | 2 h · 4 h | 2 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | 587 Ah | 314 Ah |
| Cell configuration | 1P416S×8 (8P416S) | 1P416S ×12 |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | 20 ft container |
| Block type | AC block (PCS integrated) | DC block |
| PCS integrated | yes | no |
| DC voltage | 1123.2–1497.6 V | 1164.8–1497.8 V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 |
| Operating temperature | -30…50 (55 optional on H) °C | -35…60 (discharge), -30…50 (charge) °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 47 t | 46 t |
| Energy density | not published | not published |
| 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 | smoke/heat detectors, FACP, ventilation (NFPA 69), dry pipes with sprinklers, aerosol (optional on S), deflagration vent panel (optional) | aerosol + water |
| Generation | 3.0 | 2024 |
| Announced | 2025-06 | 2024-09 |
| Certifications | 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 | GB/T 36276, IEC 61000, IEC 62619, IEC 62933, NFPA 68, NFPA 69, NFPA 72, NFPA 855, UL 1973, UL 9540, UL 9540A |
| 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: Aqua-C3.0 (S/H Version) — 6.251 MWh; Max-20HC-5000 — 5 MWh
- Max power per enclosure: Aqua-C3.0 (S/H Version) — 3.125 MW; Max-20HC-5000 — 2.5 MW
- Published durations: Aqua-C3.0 (S/H Version) — 2 h · 4 h; Max-20HC-5000 — 2 h
- Cell capacity: Aqua-C3.0 (S/H Version) — 587 Ah; Max-20HC-5000 — 314 Ah
- Cell configuration: Aqua-C3.0 (S/H Version) — 1P416S×8 (8P416S); Max-20HC-5000 — 1P416S ×12
- Block type: Aqua-C3.0 (S/H Version) — AC block (PCS integrated); Max-20HC-5000 — DC block
- PCS integrated: Aqua-C3.0 (S/H Version) — yes; Max-20HC-5000 — no
- DC voltage: Aqua-C3.0 (S/H Version) — 1123.2–1497.6 V; Max-20HC-5000 — 1164.8–1497.8 V
- Operating temperature: Aqua-C3.0 (S/H Version) — -30…50 (55 optional on H) °C; Max-20HC-5000 — -35…60 (discharge), -30…50 (charge) °C
- Weight: Aqua-C3.0 (S/H Version) — 47 t; Max-20HC-5000 — 46 t
- Fire suppression: 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); Max-20HC-5000 — aerosol + water
- Generation: Aqua-C3.0 (S/H Version) — 3.0; Max-20HC-5000 — 2024
- Announced: Aqua-C3.0 (S/H Version) — 2025-06; Max-20HC-5000 — 2024-09
- Certifications: 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; Max-20HC-5000 — GB/T 36276, IEC 61000, IEC 62619, IEC 62933, NFPA 68, NFPA 69, NFPA 72, NFPA 855, UL 1973, UL 9540, UL 9540A
Published by only one of the two: Round-trip efficiency.
Variants
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 |
Great Power Max-20HC-5000 variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| 5.0 MWh @0.5C (≤417 kW ×6 / 1.25 MW ×2) | 5 MWh | 2.5 MW | 2 h |
Full model cards
Open CLOU Electronics Aqua-C3.0 (S/H Version) →Open Great Power Max-20HC-5000 →
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