Canadian Solar
Series: KuBank (C&I Storage Solution)
Canadian Solar CSI-KuBank-S-277-2h-IEC
Three-phase integrated bess inverter all-in-one system with 277 kWh LFP battery
Best for
- + Commercial & industrial installations
- + Three-phase installations
- + Medium commercial & industrial (50-200 kWp)
- + LFP battery applications - verify cycle life from datasheet
Not ideal for
- ! Typical single-family residential - consider residential product line
- ! Single-phase installations (unless manufacturer confirms support)
- ! Small commercial applications (< 30 kWp) - consider smaller product
- ! Backup/battery-backup projects (no EPS functionality)
- ! Long-lifecycle projects (<=1 years standard warranty)
In the KuBank (C&I Storage Solution) series
This is the 277 kWh variant.
Compared to other models
- - 12% larger capacity than Canadian Solar CSI-KuBank-S-247-2h-UL
- - Maximum capacity option in this series.
Ideal for
Ideal for projects that prioritize maximum stored energy in the series while keeping 125 kW as the design reference.
Key Specifications
Usable Capacity
277 kWh
VendorShow All Specifications
Core Electrical
| AC Rated Power | 125 kWVendor |
| AC Voltage | 400Vendor |
| Energy (Nominal) | 277 kWhVendor |
| Energy (Usable) | 277 kWhVendor |
| C-rate (continuous) | - |
| Peak Power | 137 kWVendor |
| Battery Chemistry | LFPVendor |
| DC Voltage Range | 772.8 ~ 993.6 VVendor |
| System Round-trip Efficiency | 90 %Vendor |
| Noise | 70 dB(A)Vendor |
EMS & Communication
| EMS Included | trueVendor |
| Protocols | Modbus TCP, Modbus RTUVendor |
| EMS Functions | Peak shaving, demand managementVendor |
| Remote Maintenance | - |
| Fault Diagnosis | - |
| Grid Support Functions Detail | - |
| Data Logging Interval | - |
| Response Time | - |
Environment & Mechanical
| Thermal Management | LiquidVendor |
| Fire Suppression | Aerosol-basedVendor |
| Detectors | Combustible gas, smokeVendor |
| Maintenance Access | - |
| Pressure Relief | - |
| Thermal Runaway Mitigation | - |
| Lifting Points | - |
| Service Interval | - |
| IP Rating | IP54Vendor |
| Corrosion Rating | - |
| Operating Temp Range | -30 ~ 55Vendor |
| Dimensions (W x H x D) | 1550*2280*2100 mmVendor |
| Weight | 3600 kgVendor |
Compliance & Warranty
| Certifications | IEC/EN 62477-1, EN 61000-6-2/-4, UN38.3Vendor |
| Battery Certifications | - |
| System Certifications | - |
| LVRT/HVRT | - |
| Warranty Throughput / Cycles | - |
Data Confidence & Verification
Partially verifiedData Sources
- + Official datasheet - verified 2026-04-16
- - Installation Manual - not available
- - Certificate - not available
Data gaps that may affect your decision
- ! Outdoor temperature range not specified - confirm outdoor suitability.
- ! IP rating not documented - confirm installation location suitability.
Quick Check: Does this product fit your project?
Run a single-product scenario check using the same Product Match rules.
Compliance & Certifications
No compliance data available for this product.
Certifications
-
Documents & Downloads
DATASHEET PDF
- Canadian Solar CSI-KuBank-S-277-2h-IEC DatasheetDownload
Product data is sourced from manufacturers, official websites, and community contributions. Energidea does not guarantee completeness or accuracy. Installers should verify specifications, certifications, and compatibility with manufacturer documentation before quotation.
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