BESS comparison
AlphaESS Aster 5000 vs e-STORAGE (Canadian Solar) SolBank 3.0 Plus (CSI-SolBank-S-PL-5016)
Both columns come from what AlphaESS and e-STORAGE (Canadian Solar) publish. Fields either maker does not publish are marked «not published»; we do not estimate or rank.
AlphaESS
Aster 5000
5.016 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 | AlphaESS Aster 5000 | e-STORAGE (Canadian Solar) SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) |
|---|---|---|
| Max energy per enclosure | 5.016 MWh | 5.016 MWh |
| Max power per enclosure | 2.508 MW | 2.4 MW |
| Published durations | 2 h | 2 h · 4 h |
| Segment | utility-scale | utility-scale |
| Status | shipping | shipping |
| Cell chemistry | LFP | LFP |
| Cell capacity | not published | 314 Ah |
| Cell configuration | not published | 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 | 1331.2 (rated) V | 1164.8–1497.6 (nominal 1331.2) V |
| Cooling | liquid-cooled | liquid-cooled |
| Ingress protection | IP55 | IP55 / NEMA 3R (packs IP67) |
| Operating temperature | -40…50 (battery module) °C | -30…55 (derating from 45) °C |
| Dimensions (L × W × H) | 6058 × 2438 × 2896 mm | 6058 × 2438 × 2896 mm |
| Weight | 43 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 + sprinkler (redundant dual-extinguishing) + explosion relief panel | Aerosol-based suppression system; dry pipe sprinkler system (options); combustible gas detector with active ventilation |
| Generation | V01 (2025-05) | 3.0 Plus |
| Announced | not published | 2025-05 |
| Certifications | IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A | 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 power per enclosure: Aster 5000 — 2.508 MW; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 2.4 MW
- Published durations: Aster 5000 — 2 h; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 2 h · 4 h
- DC voltage: Aster 5000 — 1331.2 (rated) V; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 1164.8–1497.6 (nominal 1331.2) V
- Ingress protection: Aster 5000 — IP55; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — IP55 / NEMA 3R (packs IP67)
- Operating temperature: Aster 5000 — -40…50 (battery module) °C; SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — -30…55 (derating from 45) °C
- Fire suppression: Aster 5000 — aerosol + sprinkler (redundant dual-extinguishing) + explosion relief panel; 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: Aster 5000 — V01 (2025-05); SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) — 3.0 Plus
- Certifications: Aster 5000 — IEC 61000, IEC 62477, IEC 62619, IEC 62933, NFPA 69, UL 1973, UL 9540A; 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: Cell capacity, Cell configuration, Round-trip efficiency, Cycle life, Calendar life, Announced.
Variants
AlphaESS Aster 5000 variants
| Variants | Energy | Power | Duration |
|---|---|---|---|
| Aster 5000 (AlphaCS-H20-DC-LC-EX, 12 clusters, 0.5 P) | 5.016 MWh | 2.508 MW | 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 AlphaESS Aster 5000 →Open e-STORAGE (Canadian Solar) SolBank 3.0 Plus (CSI-SolBank-S-PL-5016) →
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