BESS comparison
CLOU Electronics Aqua-C3.0 (S/H Version) vs CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System
Both columns come from what CLOU Electronics and CRRC Zhuzhou Institute 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
CRRC Zhuzhou Institute
6.X Liquid Cooling Energy Storage System
6.901 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | CLOU Electronics Aqua-C3.0 (S/H Version) | CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System |
|---|---|---|
| Max energy per enclosure | 6.251 MWh | 6.901 MWh |
| Max power per enclosure | 3.125 MW | not published |
| Published durations | 2 h · 4 h | 2 h · 4 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | 587 Ah | 587 Ah |
| Cell configuration | 1P416S×8 (8P416S) | 416S4P (10-ft) / 416S8P (20-ft) |
| 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 | 1081.6–1497.6 V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 |
| Operating temperature | -30…50 (55 optional on H) °C | -30…55 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 47 t | 48 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 | smoke/heat detectors, FACP, ventilation (NFPA 69), dry pipes with sprinklers, aerosol (optional on S), deflagration vent panel (optional) | Aerosol-based suppression system; flooded fire protection systems (options); fire alarm panel, heat and smoke detection, alarm bell and strobe |
| Generation | 3.0 | 6.X (2026) |
| Announced | 2025-06 | 2026-01 |
| 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 | IEC 61000, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL9540A, UN3536, UN38.3 |
| 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: Aqua-C3.0 (S/H Version) — 6.251 MWh; 6.X Liquid Cooling Energy Storage System — 6.901 MWh
- Cell configuration: Aqua-C3.0 (S/H Version) — 1P416S×8 (8P416S); 6.X Liquid Cooling Energy Storage System — 416S4P (10-ft) / 416S8P (20-ft)
- Block type: Aqua-C3.0 (S/H Version) — AC block (PCS integrated); 6.X Liquid Cooling Energy Storage System — DC block
- PCS integrated: Aqua-C3.0 (S/H Version) — yes; 6.X Liquid Cooling Energy Storage System — no
- DC voltage: Aqua-C3.0 (S/H Version) — 1123.2–1497.6 V; 6.X Liquid Cooling Energy Storage System — 1081.6–1497.6 V
- Operating temperature: Aqua-C3.0 (S/H Version) — -30…50 (55 optional on H) °C; 6.X Liquid Cooling Energy Storage System — -30…55 °C
- Weight: Aqua-C3.0 (S/H Version) — 47 t; 6.X Liquid Cooling Energy Storage System — 48 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); 6.X Liquid Cooling Energy Storage System — Aerosol-based suppression system; flooded fire protection systems (options); fire alarm panel, heat and smoke detection, alarm bell and strobe
- Generation: Aqua-C3.0 (S/H Version) — 3.0; 6.X Liquid Cooling Energy Storage System — 6.X (2026)
- Announced: Aqua-C3.0 (S/H Version) — 2025-06; 6.X Liquid Cooling Energy Storage System — 2026-01
- 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; 6.X Liquid Cooling Energy Storage System — IEC 61000, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL9540A, UN3536, UN38.3
Published by only one of the two: Max power per enclosure.
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 |
CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| CESS-L3125-EU-0.5C — 3.125 MWh (10-ft, 587 Ah) | 3.125 MWh | not published | 2 h |
| CESS-L3125-EU-0.25C — 3.125 MWh (10-ft, 587 Ah) | 3.125 MWh | not published | 4 h |
| CESS-L3450-EU-0.5C — 3.450 MWh (10-ft, 648 Ah) | 3.45 MWh | not published | 2 h |
| CESS-L6250-EU-0.5C — 6.250 MWh (20-ft, 587 Ah) | 6.25 MWh | not published | 2 h |
| CESS-L6250-EU-0.25C — 6.250 MWh (20-ft, 587 Ah) | 6.25 MWh | not published | 4 h |
| CESS-L6901-EU-0.5C — 6.901 MWh (20-ft, 648 Ah) | 6.901 MWh | not published | 2 h |
Full model cards
Open CLOU Electronics Aqua-C3.0 (S/H Version) →Open CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System →
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