BESS comparison
CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System vs e-STORAGE (Canadian Solar) SolBank 3.0 Plus (CSI-SolBank-S-PL-5016)
Both columns come from what CRRC Zhuzhou Institute and e-STORAGE (Canadian Solar) 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
e-STORAGE (Canadian Solar)
SolBank 3.0 Plus (CSI-SolBank-S-PL-5016)
5.016 MWh
20 ft containerliquid-cooledLFPshipping
Specifications side by side
| Field | CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System | e-STORAGE (Canadian Solar) SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) |
|---|---|---|
| Max energy per enclosure | 6.901 MWh | 5.016 MWh |
| Max power per enclosure | not published | 2.4 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 | 314 Ah |
| Cell configuration | 416S4P (10-ft) / 416S8P (20-ft) | 1P104S pack, 1P416S rack, 12 racks (12P416S) |
| 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 | 1164.8–1497.6 (nominal 1331.2) V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 / NEMA 3R (packs IP67) |
| Operating temperature | -30…55 °C | -30…55 (derating from 45) °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 48 t | 43 t |
| Energy density | not published | not published |
| Round-trip efficiency | not published | 93% |
| Cycle life | not published | 12,000 · 'up to 12,000 cycles and 25 years of design life' (datasheet); '100% useable battery capacity during the first 4 years'; test conditions not published |
| Calendar life | not published | 25 y |
| 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 | Aerosol-based suppression system; dry pipe sprinkler system (options); combustible gas detector with active ventilation |
| Generation | 6.X (2026) | 3.0 Plus |
| Announced | 2026-01 | 2025-05 |
| Certifications | IEC 61000, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, UL9540A, UN3536, UN38.3 | IEC 61000-6-2, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, NFPA 68 (optional), NFPA 69, NFPA 855, UL 9540A, UN38.3/UN3536 |
| 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; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 5.016 MWh
- Cell capacity: 6.X Liquid Cooling Energy Storage System — 587 Ah; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 314 Ah
- Cell configuration: 6.X Liquid Cooling Energy Storage System — 416S4P (10-ft) / 416S8P (20-ft); SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 1P104S pack, 1P416S rack, 12 racks (12P416S)
- DC voltage: 6.X Liquid Cooling Energy Storage System — 1081.6–1497.6 V; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 1164.8–1497.6 (nominal 1331.2) V
- Ingress protection: 6.X Liquid Cooling Energy Storage System — IP55; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — IP55 / NEMA 3R (packs IP67)
- Operating temperature: 6.X Liquid Cooling Energy Storage System — -30…55 °C; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — -30…55 (derating from 45) °C
- Weight: 6.X Liquid Cooling Energy Storage System — 48 t; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 43 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; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — Aerosol-based suppression system; dry pipe sprinkler system (options); combustible gas detector with active ventilation
- Generation: 6.X Liquid Cooling Energy Storage System — 6.X (2026); SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 3.0 Plus
- Announced: 6.X Liquid Cooling Energy Storage System — 2026-01; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 2025-05
- 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; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — IEC 61000-6-2, IEC 62477-1, IEC 62619, IEC 62933-5-2, IEC 63056, NFPA 68 (optional), NFPA 69, NFPA 855, UL 9540A, UN38.3/UN3536
Published by only one of the two: Max power per enclosure, Round-trip efficiency, Cycle life, Calendar life.
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 |
e-STORAGE (Canadian Solar) SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| S-PL-5016-2h (0.5P; rated DC capacity 4,800 kWh) | 5.016 MWh | 2.4 MW | 2 h |
| S-PL-5016-4h (0.25P; rated DC capacity 4,800 kWh) | 5.016 MWh | 1.2 MW | 4 h |
Full model cards
Open CRRC Zhuzhou Institute 6.X Liquid Cooling Energy Storage System →Open e-STORAGE (Canadian Solar) SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) →
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