BESS comparison
CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System vs Trina Storage Elementa 2
Both columns come from what CRRC Zhuzhou Institute and Trina Storage 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
Trina Storage
Elementa 2
5.015 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System | Trina Storage Elementa 2 |
|---|---|---|
| Max energy per enclosure | 6.901 MWh | 5.015 MWh |
| Max power per enclosure | not published | not published |
| Published durations | 2 h · 4 h | not published |
| 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) | 1P416S12P |
| 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 | 1123.2–1497.6 V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 (container, excl. TMS); IP67 module |
| Operating temperature | -30…55 °C | -30…50 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 48 t | 42.5 t |
| Energy density | not published | not published |
| Round-trip efficiency | not published | not published |
| Cycle life | not published | 10,000 · Datasheet claim: 'up to 10,000 cycles with 0 degradation in first half year'; test conditions 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 | automatic aerosol-based fire suppression system; water-based suppression optional; heat/smoke/gas sensors, active ventilation |
| Generation | 6.X (2026) | 2 |
| Announced | 2026-01 | not published |
| Certifications | IEC 61000, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL9540A, UN3536, UN38.3 | CE, IEC 61000-6-2/4, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL 1973, UL 9540, UL 9540A, 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: 6.X Liquid Cooling Energy Storage System — 6.901 MWh; Elementa 2 — 5.015 MWh
- Cell capacity: 6.X Liquid Cooling Energy Storage System — 587 Ah; Elementa 2 — 314 Ah
- Cell configuration: 6.X Liquid Cooling Energy Storage System — 416S4P (10-ft) / 416S8P (20-ft); Elementa 2 — 1P416S12P
- DC voltage: 6.X Liquid Cooling Energy Storage System — 1081.6–1497.6 V; Elementa 2 — 1123.2–1497.6 V
- Ingress protection: 6.X Liquid Cooling Energy Storage System — IP55; Elementa 2 — IP55 (container, excl. TMS); IP67 module
- Operating temperature: 6.X Liquid Cooling Energy Storage System — -30…55 °C; Elementa 2 — -30…50 °C
- Weight: 6.X Liquid Cooling Energy Storage System — 48 t; Elementa 2 — 42.5 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; Elementa 2 — automatic aerosol-based fire suppression system; water-based suppression optional; heat/smoke/gas sensors, active ventilation
- Generation: 6.X Liquid Cooling Energy Storage System — 6.X (2026); Elementa 2 — 2
- 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; Elementa 2 — CE, IEC 61000-6-2/4, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL 1973, UL 9540, UL 9540A, UN38.3
Published by only one of the two: Published durations, Cycle life, Announced.
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 |
Trina Storage Elementa 2 variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| 5.015 MWh (314 Ah, 12 racks × 4 modules), 2–4 h | 5.015 MWh | not published | not published |
| 4.073 MWh (306 Ah, 1P416S10P, 10 racks × 4 packs), 2–6 h | 4.073 MWh | not published | not published |
Full model cards
Open CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System →Open Trina Storage Elementa 2 →
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