BESS comparison
CATL TENER vs CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System
Both columns come from what CATL and CRRC Zhuzhou Institute publish. Fields either maker does not publish are marked «not published»; we do not estimate or rank.
CATL
TENER
6.25 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 | CATL TENER | CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System |
|---|---|---|
| Max energy per enclosure | 6.25 MWh | 6.901 MWh |
| Max power per enclosure | 3.126 MW | not published |
| Published durations | 2 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 | 1P104S×4×8P (pack 1P104S, 4 packs per rack = 1P416S, 8 racks in parallel) | 416S4P (10-ft) / 416S8P (20-ft) |
| 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 | 1331.2 rated; 1040–1500 range V | 1081.6–1497.6 V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | not published | IP55 |
| Operating temperature | -30…55 °C | -30…55 °C |
| Dimensions (L × W × H) | not published | 6058 × 2438 × 2896 mm |
| Weight | 45 t | 48 t |
| Energy density | not published | not published |
| Round-trip efficiency | not published | not published |
| Cycle life | 8,000 · Cell-level figure from CATL 2026 brochure: 587 Ah cell ≥8,000 cycles (25 °C, 0.5P/0.5P, 70% SOH). System-level cycle life not published; CATL claims zero capacity/power degradation in first five years. | not published |
| Calendar life | not published | not published |
| Warranty | not published | not published |
| Fire suppression | not published | Aerosol-based suppression system; flooded fire protection systems (options); fire alarm panel, heat and smoke detection, alarm bell and strobe |
| Generation | TENER (2024); Chinese market designation 天恒 C2-L625 | 6.X (2026) |
| Announced | 2024-04 | 2026-01 |
| Certifications | GB 44240-2024, GB/T 34131-2023, GB/T 36276-2023, GB/T 44026-2024 | 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: TENER — 6.25 MWh; 6.X Liquid Cooling Energy Storage System — 6.901 MWh
- Published durations: TENER — 2 h; 6.X Liquid Cooling Energy Storage System — 2 h · 4 h
- Cell configuration: TENER — 1P104S×4×8P (pack 1P104S, 4 packs per rack = 1P416S, 8 racks in parallel); 6.X Liquid Cooling Energy Storage System — 416S4P (10-ft) / 416S8P (20-ft)
- DC voltage: TENER — 1331.2 rated; 1040–1500 range V; 6.X Liquid Cooling Energy Storage System — 1081.6–1497.6 V
- Weight: TENER — 45 t; 6.X Liquid Cooling Energy Storage System — 48 t
- Generation: TENER — TENER (2024); Chinese market designation 天恒 C2-L625; 6.X Liquid Cooling Energy Storage System — 6.X (2026)
- Announced: TENER — 2024-04; 6.X Liquid Cooling Energy Storage System — 2026-01
- Certifications: TENER — GB 44240-2024, GB/T 34131-2023, GB/T 36276-2023, GB/T 44026-2024; 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, Ingress protection, Dimensions (L × W × H), Cycle life, Fire suppression.
Variants
CATL TENER variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| 6.25 MWh 0.5P (2 × 1562.82 kW); brochure states 2 h/4 h system compatibility | 6.25 MWh | 3.126 MW | 2 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 CATL TENER →Open CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System →
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