BESS comparison
CATL TENER vs Trina Storage Elementa 2
Both columns come from what CATL and Trina Storage 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
Trina Storage
Elementa 2
5.015 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | CATL TENER | Trina Storage Elementa 2 |
|---|---|---|
| Max energy per enclosure | 6.25 MWh | 5.015 MWh |
| Max power per enclosure | 3.126 MW | not published |
| Published durations | 2 h | not published |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | 587 Ah | 314 Ah |
| Cell configuration | 1P104S×4×8P (pack 1P104S, 4 packs per rack = 1P416S, 8 racks in parallel) | 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 | 1331.2 rated; 1040–1500 range V | 1123.2–1497.6 V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | not published | IP55 (container, excl. TMS); IP67 module |
| Operating temperature | -30…55 °C | -30…50 °C |
| Dimensions (L × W × H) | not published | 6058 × 2438 × 2896 mm |
| Weight | 45 t | 42.5 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. | 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 | not published | automatic aerosol-based fire suppression system; water-based suppression optional; heat/smoke/gas sensors, active ventilation |
| Generation | TENER (2024); Chinese market designation 天恒 C2-L625 | 2 |
| Announced | 2024-04 | not published |
| Certifications | GB 44240-2024, GB/T 34131-2023, GB/T 36276-2023, GB/T 44026-2024 | 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: TENER — 6.25 MWh; Elementa 2 — 5.015 MWh
- Cell capacity: TENER — 587 Ah; Elementa 2 — 314 Ah
- Cell configuration: TENER — 1P104S×4×8P (pack 1P104S, 4 packs per rack = 1P416S, 8 racks in parallel); Elementa 2 — 1P416S12P
- DC voltage: TENER — 1331.2 rated; 1040–1500 range V; Elementa 2 — 1123.2–1497.6 V
- Operating temperature: TENER — -30…55 °C; Elementa 2 — -30…50 °C
- Weight: TENER — 45 t; Elementa 2 — 42.5 t
- Cycle life: TENER — 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.; Elementa 2 — 10,000 · Datasheet claim: 'up to 10,000 cycles with 0 degradation in first half year'; test conditions not published
- Generation: TENER — TENER (2024); Chinese market designation 天恒 C2-L625; Elementa 2 — 2
- Certifications: TENER — GB 44240-2024, GB/T 34131-2023, GB/T 36276-2023, GB/T 44026-2024; 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: Max power per enclosure, Published durations, Ingress protection, Dimensions (L × W × H), Fire suppression, Announced.
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 |
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 CATL TENER →Open Trina Storage Elementa 2 →
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