High Conversion Efficiency
Advanced TOPCon bifacial cells deliver superior energy yield Maximizing power output under diverse operating conditions
High Efficiency: Up to 23.3% module efficiency
Bifacial Design: Dual-sided power generation for higher yield
Durable Build: Double-glass structure with corrosion-resistant frame
Low-Light Performance: Reliable output under weak or diffused light
Long-Term Reliability: 12-year product warranty & 30-year linear power warranty
Brand:
NUUKOItem NO.:
NKM555-575N-120BDR12
Product Advantages

Advanced TOPCon bifacial cells deliver superior energy yield Maximizing power output under diverse operating conditions

Stable energy generation in low-irradiance and diffuse light conditions Ensures consistent daily energy harvest across all weather

Double-glass structure with enhanced mechanical strength and sealing integrity Designed for long-term operation in harsh environments

Minimized power loss through Anti-PID and Anti-LID technologies Ensures stable long-term performance and sustained energy yield

Optimized module design ensures broad application adaptability Suitable for residential, commercial, and utility-scale PV systems
Product Specifications
| Cell Type | N Type Mono-crystalline |
| Cell Arrangement | 120(6*18) |
| Weight | 30kg |
| Module Dimensions | 2172*1134*30mm |
| Cable Length | 4.0mm², ±300mm or Customized length |
| Front Glass | 2.0mm, Anti-Reflection Coating |
| Back Glass | 2.0mm, Heat Strengthened Glass |
| No.of Bypass Diodes | 3/6 |
| Packing Configuration | 36pcs/pallet, 720pcs/40HQ |
| Frame | Anodized Aluminium Alloy |
| Junction Box | IP68 |
| Module Type | NKM555N-120BDR12 | NKM560N-120BDR12 | NKM565N-120BDR12 | NKM570N-120BDR12 | NKM575N-120BDR12 | |||||
| Testing Condition | STC | STC | STC | STC | STC | |||||
| Rated output (Pmp/Wp) | 555 | 560 | 565 | 570 | 575 | |||||
| Maximum Power Voltage(Vmpp/V) | 36.76 | 36.97 | 37.17 | 37.37 | 37.57 | |||||
| Maximum Power Current(Impp/A) | 15.10 | 15.15 | 15.20 | 15.25 | 15.30 | |||||
| Open Circuit Voltage(Voc/V) | 43.57 | 43.71 | 43.85 | 43.99 | 44.13 | |||||
| Short Circuit Current(Isc/A) | 15.90 | 15.95 | 16.00 | 16.05 | 16.10 | |||||
| Module efficiency(%) | 22.5% | 22.7% | 22.9% | 23.1% | 23.3% | |||||
| Power Tolerance (W) | 0~+5 | 0~+5 | 0~+5 | 0~+5 | 0~+5 | |||||
STC: Irradiance 1000W/m², Cell Temperature 25°C, AM=1.5
BNPI
| Rated Output (Pmpp / Wp) | 615 | 620 | 626 | 631 | 637 |
| Rated Voltage (Vmpp / V) | 36.76 | 36.97 | 37.17 | 37.37 | 37.57 |
| Rated Current (Impp / A) | 16.73 | 16.78 | 16.84 | 16.89 | 16.95 |
| Open Circuit Voltage (Voc / V) | 43.57 | 43.71 | 43.85 | 43.99 | 44.13 |
| Short Circuit Current (Isc / A) | 17.61 | 17.67 | 17.72 | 17.78 | 17.83 |
Irradiance: front 1000W/m², rear 135W/m², Cell Temperature 25°C, AM=1.5
| Maximum System Voltage | 1000V/1500V DC(IEC) |
| Operating Temperature | -40°C ~ +85°C |
| Maximun Series Fuse | 30A |
| Static Loading | Snow Loading: 5400Pa/ Wind Loading: 2400Pa |
| Protection Class | II |
| Fire Type | Class C (IEC) |
| Bifacial | 80±5% |
| NMOT Temperature | 45℃±2℃ |
| Temprature Coefficient (Pmax) | -0.29%/℃ |
| Temprature Coefficient (Voc) | -0.25%/℃ |
| Temprature Coefficient (Isc) | 0.043%/℃ |
Product Certification

Application Scenarios