e-STORAGE (Canadian Solar) · commercial & industrial
e-STORAGE (Canadian Solar) KuBank 2.0 (CSI-KuBank2.0-S-277-2h-UL)
shippingcabinetAC block (PCS integrated)liquid-cooledLFPBNEF Tier 1
Everything below comes from what e-STORAGE (Canadian Solar) publishes about the KuBank 2.0 (CSI-KuBank2.0-S-277-2h-UL): the datasheet, the product page and press releases. Where a figure is not published, the field says so — we do not estimate.
Variants
Energy figures are nominal (beginning of life) as published by the manufacturer. One model, several duration options — the same enclosure with different power ratings.
| Variants | Energy | Power | Duration |
|---|---|---|---|
| S-277-2h-UL (125 kVA, 480 Vac, 0.5P) | 277 kWh | 125 kW | 2 h |
Specifications
| Cell chemistry | LFP |
|---|---|
| Cell capacity | not published |
| Cell configuration | 1P69S pack, 1P276S system (4 packs) |
| Cell supplier | not published |
| Form factor | cabinet |
| Block type | AC block (PCS integrated) |
| PCS integrated | yes |
| DC voltage | 772.8–993.6 (nominal 883.2) V |
| Cooling | liquid-cooled |
| Ingress protection | IP54 / NEMA 3R; packs IP67 |
| Operating temperature | -30…55 °C |
| Dimensions (L × W × H) | 1550 × 2100 × 2280 mm |
| Weight | 3.6 t |
| Energy density | not published |
| Round-trip efficiency | 90% |
| Cycle life | not published |
| Calendar life | not published |
| Warranty | not published |
| Fire suppression | Aerosol-based fire suppression system; combustible gas + smoke detection, deflagration venting |
| Generation | 2.0 |
| Announced | not published |
Certifications
UL 9540UL 9540AUL 1973UN38.3UL 1741UL 1741SBCEC listedHECO listedFCC Part 15IEEE 1547UL 1741 CRD
Key facts
- 277 kWh / 125 kVA C&I cabinet with separate PCS enclosure (600×500×2,000 mm), 60 Hz / 480 Vac, UL market only
- AC round-trip efficiency ≥90%; up to 8 units in parallel; liquid cooling; active balancing BMS 2 A
- Battery enclosure 1,550×2,280×2,100 mm (W×H×D), 3,600 kg
- Datasheet June 2025 (V1.0); cell capacity, cycle life and warranty not published
What e-STORAGE (Canadian Solar) does not publish for this model
These fields are empty because no public datasheet or release states them. That is information too: ask for these numbers before you shortlist.
Cell capacityCell supplierEnergy densityCycle lifeCalendar lifeWarrantyAnnounced
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Sourcing quote for e-STORAGE (Canadian Solar) KuBank 2.0 (CSI-KuBank2.0-S-277-2h-UL)
Coloprice is published by Dream View, a China-sourcing company. For commercial-scale projects we buy BESS containers factory-direct — verified manufacturer, certification review, pre-shipment inspection, export and freight — for a flat 10% fee.
Sources: KuBank 2.0 datasheet UL V1.0 (Jun 2025) · e-STORAGE — KuBank product page