BESS comparison
CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System vs Great Power Max-20HC-5000
Both columns come from what CRRC Zhuzhou Institute and Great Power publish. Fields either maker does not publish are marked «not published»; we do not estimate or rank.
CRRC Zhuzhou Institute
6.X Liquid Cooling Energy Storage System
6.901 MWh
20 ft containerliquid-cooledLFPshipping
Great Power
Max-20HC-5000
5 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System | Great Power Max-20HC-5000 |
|---|---|---|
| Max energy per enclosure | 6.901 MWh | 5 MWh |
| Max power per enclosure | not published | 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 | 416S4P (10-ft) / 416S8P (20-ft) | 1P416S ×12 |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | 20 ft container |
| Block type | DC block | DC block |
| PCS integrated | no | no |
| DC voltage | 1081.6–1497.6 V | 1164.8–1497.8 V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 |
| Operating temperature | -30…55 °C | -35…60 (discharge), -30…50 (charge) °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 48 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 | Aerosol-based suppression system; flooded fire protection systems (options); fire alarm panel, heat and smoke detection, alarm bell and strobe | aerosol + water |
| Generation | 6.X (2026) | 2024 |
| Announced | 2026-01 | 2024-09 |
| Certifications | IEC 61000, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL9540A, UN3536, UN38.3 | 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: 6.X Liquid Cooling Energy Storage System — 6.901 MWh; Max-20HC-5000 — 5 MWh
- Published durations: 6.X Liquid Cooling Energy Storage System — 2 h · 4 h; Max-20HC-5000 — 2 h
- Cell capacity: 6.X Liquid Cooling Energy Storage System — 587 Ah; Max-20HC-5000 — 314 Ah
- Cell configuration: 6.X Liquid Cooling Energy Storage System — 416S4P (10-ft) / 416S8P (20-ft); Max-20HC-5000 — 1P416S ×12
- DC voltage: 6.X Liquid Cooling Energy Storage System — 1081.6–1497.6 V; Max-20HC-5000 — 1164.8–1497.8 V
- Operating temperature: 6.X Liquid Cooling Energy Storage System — -30…55 °C; Max-20HC-5000 — -35…60 (discharge), -30…50 (charge) °C
- Weight: 6.X Liquid Cooling Energy Storage System — 48 t; Max-20HC-5000 — 46 t
- Fire suppression: 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; Max-20HC-5000 — aerosol + water
- Generation: 6.X Liquid Cooling Energy Storage System — 6.X (2026); Max-20HC-5000 — 2024
- Announced: 6.X Liquid Cooling Energy Storage System — 2026-01; Max-20HC-5000 — 2024-09
- Certifications: 6.X Liquid Cooling Energy Storage System — IEC 61000, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL9540A, UN3536, UN38.3; 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: Max power per enclosure, Round-trip efficiency.
Variants
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 |
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 CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System →Open Great Power Max-20HC-5000 →
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