CRRC Zhuzhou Institute · utility-scale
CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System
shipping20 ft containerDC blockliquid-cooledLFP · 587 AhBNEF Tier 1
Everything below comes from what CRRC Zhuzhou Institute publishes about the 6.X Liquid Cooling Energy Storage System: the datasheet, the product page and press releases. Where a figure is not published, the field says so — we do not estimate.
Variants
Energy figures are nominal (beginning of life) as published by the manufacturer. One model, several duration options — the same enclosure with different power ratings.
| 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 |
Specifications
| Cell chemistry | LFP |
|---|---|
| Cell capacity | 587 Ah |
| Cell configuration | 416S4P (10-ft) / 416S8P (20-ft) |
| Cell supplier | not published |
| Form factor | 20 ft container |
| Block type | DC block |
| PCS integrated | no |
| DC voltage | 1081.6–1497.6 V |
| Cooling | liquid-cooled |
| Ingress protection | IP55 |
| Operating temperature | -30…55 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm |
| Weight | 48 t |
| Energy density | not published |
| Round-trip efficiency | not published |
| Cycle life | not published |
| Calendar life | not published |
| Warranty | not published |
| Fire suppression | Aerosol-based suppression system; flooded fire protection systems (options); fire alarm panel, heat and smoke detection, alarm bell and strobe |
| Generation | 6.X (2026) |
| Announced | 2026-01 |
Certifications
IEC 62619IEC 63056IEC 61000IEC 62477-1IEC 62933-5-2UN3536UN38.3UL9540A
Key facts
- DC battery containers in 10-ft (3.125/3.450 MWh, ≤26–28 t, 2991×2438×2896 mm) and 20-ft (6.250/6.901 MWh, ≤48 t) formats
- LFP 587 Ah or 648 Ah cells; 0.5C and 0.25C configurations offered — power in kW not stated
- Pack-level fire protection on the 648 Ah variants; noise ≤75 dB(A) at 1 m
- Press release (June 2026): energy density +25%, footprint −20% vs previous generation; large-scale fire test per UL 9540A:2026 and NFPA 855:2026
- No RTE, cycle-life or weight-per-variant breakdown published; datasheet PDF is image-only
What CRRC Zhuzhou Institute does not publish for this model
These fields are empty because no public datasheet or release states them. That is information too: ask for these numbers before you shortlist.
Cell supplierEnergy densityRound-trip efficiencyCycle lifeCalendar lifeWarranty
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Sourcing quote for CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System
Coloprice is published by Dream View, a China-sourcing company. For commercial-scale projects we buy BESS containers factory-direct — verified manufacturer, certification review, pre-shipment inspection, export and freight — for a flat 10% fee.
Sources: CRRC Zhuzhou Institute — 6.X Liquid Cooling ESS · 6.X datasheet (PDF) · PR Newswire — 6.X at The smarter E Europe 2026