BESS comparison
CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System vs LG Energy Solution JF2 AC LINK (2HR / 4HR)
Both columns come from what CRRC Zhuzhou Institute and LG Energy Solution 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
LG Energy Solution
JF2 AC LINK (2HR / 4HR)
5.11 MWh
modular blockliquid-cooledLFPshipping
Specifications side by side
| Field | CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System | LG Energy Solution JF2 AC LINK (2HR / 4HR) |
|---|---|---|
| Max energy per enclosure | 6.901 MWh | 5.11 MWh |
| Max power per enclosure | not published | 2.55 MW |
| Published durations | 2 h · 4 h | 2 h · 4 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | 587 Ah | not published |
| Cell configuration | 416S4P (10-ft) / 416S8P (20-ft) | 14 packs in series × 6 racks in parallel (2HR) |
| Cell supplier | not published | not published |
| Form factor | 20 ft container | modular block |
| Block type | DC block | AC block (PCS integrated) |
| PCS integrated | no | yes |
| DC voltage | 1081.6–1497.6 V | not published |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 |
| Operating temperature | -30…55 °C | -30…50 °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 7020 × 2570 × 2900 mm |
| Weight | 48 t | 48 t |
| Energy density | not published | not published |
| Round-trip efficiency | not published | not published |
| 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 | gas detection and active venting system, fire detection and alarm system |
| Generation | 6.X (2026) | 2024 |
| Announced | 2026-01 | 2024-11 |
| Certifications | IEC 61000, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL9540A, UN3536, UN38.3 | IEEE1547, IFC/CFC, NFPA 69, NFPA 72, NFPA 855, UL1642, UL1741 (SA, SB), UL1973, UL9540, UL9540A and large-scale fire testing, UN 38.3 |
| 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; JF2 AC LINK (2HR / 4HR) — 5.11 MWh
- Cell configuration: 6.X Liquid Cooling Energy Storage System — 416S4P (10-ft) / 416S8P (20-ft); JF2 AC LINK (2HR / 4HR) — 14 packs in series × 6 racks in parallel (2HR)
- Form factor: 6.X Liquid Cooling Energy Storage System — 20 ft container; JF2 AC LINK (2HR / 4HR) — modular block
- Block type: 6.X Liquid Cooling Energy Storage System — DC block; JF2 AC LINK (2HR / 4HR) — AC block (PCS integrated)
- PCS integrated: 6.X Liquid Cooling Energy Storage System — no; JF2 AC LINK (2HR / 4HR) — yes
- Operating temperature: 6.X Liquid Cooling Energy Storage System — -30…55 °C; JF2 AC LINK (2HR / 4HR) — -30…50 °C
- Dimensions (L × W × H): 6.X Liquid Cooling Energy Storage System — 6058 × 2438 × 2896 mm; JF2 AC LINK (2HR / 4HR) — 7020 × 2570 × 2900 mm
- 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; JF2 AC LINK (2HR / 4HR) — gas detection and active venting system, fire detection and alarm system
- Generation: 6.X Liquid Cooling Energy Storage System — 6.X (2026); JF2 AC LINK (2HR / 4HR) — 2024
- Announced: 6.X Liquid Cooling Energy Storage System — 2026-01; JF2 AC LINK (2HR / 4HR) — 2024-11
- 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; JF2 AC LINK (2HR / 4HR) — IEEE1547, IFC/CFC, NFPA 69, NFPA 72, NFPA 855, UL1642, UL1741 (SA, SB), UL1973, UL9540, UL9540A and large-scale fire testing, UN 38.3
Published by only one of the two: Max power per enclosure, Cell capacity, DC voltage.
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 |
LG Energy Solution JF2 AC LINK (2HR / 4HR) variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| JF2 2HR AC LINK — 5.11 MWh / 2.55 MW, 690 Vrms, 0.5 CP | 5.11 MWh | 2.55 MW | 2 h |
| JF2 4HR AC LINK — 5.11 MWh / 1.32 MW (6 × 220 kVA), 690 Vrms, 0.25 CP | 5.11 MWh | 1.32 MW | 4 h |
Full model cards
Open CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System →Open LG Energy Solution JF2 AC LINK (2HR / 4HR) →
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