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Stock code : 600153.SH
Higher Power | Higher Return | Ultra-Safe Performance
CD Solar BC Modules are developed based on advanced Back Contact (BC) cell technology, delivering industry-leading efficiency, higher lifetime energy yield, and enhanced safety performance.
By eliminating front-side shading and optimizing the rear-side current path, CD Solar BC Modules unlock maximum value for residential, commercial, and industrial PV applications.
Series & Specification
1. CD-A595-625MAH72Dw 2278 Series+
595-625W | N-TYPE-BC （double glass series） COMPONENTS
|
Electrical Characteristics (STC: AM1.5 1000W/m² 25℃ NOCT: AM1.5 800W/m² 20℃ 1m/s) |
||||||||||||||
|
Module Type |
595 |
600 |
605 |
610 |
615 |
620 |
625 |
|||||||
|
Test Conditions |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
|
Pmax [W] |
595 |
448 |
600 |
452 |
605 |
456 |
610 |
459 |
615 |
463 |
620 |
467 |
625 |
471 |
|
Voc [V] |
53.98 |
50.97 |
54.11 |
51.09 |
54.23 |
51.21 |
54.34 |
51.32 |
54.44 |
51.41 |
54.57 |
51.53 |
54.7 |
51.66 |
|
Vmp [V] |
44.7 |
42.23 |
44.8 |
42.32 |
44.9 |
42.41 |
45 |
42.5 |
45.1 |
42.59 |
45.2 |
42.69 |
45.3 |
42.78 |
|
Isc [A] |
14.06 |
11.35 |
14.14 |
11.43 |
14.22 |
11.5 |
14.3 |
11.57 |
14.38 |
11.63 |
14.46 |
11.7 |
14.54 |
11.76 |
|
Imp [A] |
13.32 |
10.61 |
13.4 |
10.68 |
13.48 |
10.75 |
13.56 |
10.82 |
13.64 |
10.89 |
13.72 |
10.95 |
13.8 |
11.01 |
|
Module Efficiency |
23.0% |
23.2% |
23.4% |
23.6% |
23.8% |
24.0% |
24.2% |
|||||||
2. CD-G640-670MCH72Dw 2382 Series+
640-670W | N-TYPE-BC （double glass series） COMPONENTS
|
Electrical Characteristics (STC: AM1.5 1000W/m² 25℃ NOCT: AM1.5 800W/m² 20℃ 1m/s) |
||||||||||||||
|
Module Type |
640 |
645 |
650 |
655 |
660 |
665 |
670 |
|||||||
|
Test Conditions |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
STC |
NOCT |
|
Pmax [W] |
640 |
485 |
645 |
489 |
650 |
493 |
655 |
496 |
660 |
500 |
665 |
501 |
670 |
505 |
|
Voc [V] |
53.80 |
51.04 |
53.90 |
51.14 |
54.00 |
51.23 |
54.10 |
51.33 |
54.20 |
51.42 |
54.30 |
51.66 |
54.40 |
51.75 |
|
84Vmp [V] |
45.10 |
42.79 |
45.20 |
42.88 |
45.30 |
42.98 |
45.40 |
43.07 |
45.50 |
43.17 |
45.40 |
42.87 |
45.50 |
42.92 |
|
Isc [A] |
14.94 |
12.07 |
15.00 |
12.12 |
15.06 |
12.7 |
15.12 |
12.22 |
15.18 |
12.7 |
15.24 |
12.37 |
15.32 |
12.42 |
|
Imp [A] |
14.20 |
11.35 |
14.27 |
11.41 |
14.35 |
11.48 |
14.43 |
11.54 |
14.51 |
11.60 |
14.65 |
11.69 |
14.73 |
11.76 |
|
Module Efficiency |
23.7% |
23.9% |
24.1% |
24.2% |
24.4% |
24.6% |
24.8% |
|||||||
Features
Unique Value Proposition
CD Solar BC Modules are designed to provide customers with higher power, higher return, and ultra-safe operation throughout the entire lifecycle.
● Better temperature coefficient
● Lower long-term degradation
● Superior partial shading optimization
● Higher energy density under the same installation area
Compared with conventional TOPCon modules, CD Solar BC Modules deliver 6–10% higher power output under the same rooftop area.
Higher Power Output
Full Light Absorption, Zero Front Shading
● All electrical contacts are placed on the rear side of the cell
● No front grid lines, maximizing effective light-receiving area
● Higher module power density within limited installation space
Higher Return Throughout Lifecycle
Excellent Temperature Coefficient
● BC temperature coefficient as low as –0.26% / °C
● Superior high-temperature performance compared with TOPCon (–0.29% / °C)
● Stable power generation in hot climates and high-irradiance regions
Lower Degradation
● Reduced power degradation over 25–30 years
● Long-term energy yield advantage verified by third-party test reports
Partial Shading Optimization
CD Solar BC Modules feature an optimized rear-side circuit design that significantly reduces mismatch losses.
● When a cell is fully shaded, BC technology can generate up to 30% more electricity than conventional TOPCon modules
● Ideal for complex rooftops, north-south slopes, and partially shaded environments
● Expands usable rooftop area and reduces site selection limitations
Ultra-Safe Performance
Lower Hot-Spot Risk
● Positive and negative electrodes located on the same side
● Lower reverse resistance and reduced hot-spot temperature
● More than 30% lower hot-spot temperature compared with TOPCon modules
Fire-Risk Reduction
● Improved current path design minimizes thermal concentration
● Enhanced safety for residential, commercial, and industrial rooftops
High Reliability & Mechanical Strength
Copper-Based Metallization
● Replaces traditional silver screen printing
● Lower cost, higher mechanical strength, and improved sustainability
Micro-Crack Resistance
● Single-sided soldering structure
● Better resistance to thermal stress, vibration, and mechanical load
● Maintains power generation even after minor cell fractures
Product Design & Aesthetics
● Grid-free, all-black front appearance
● Premium visual integration for high-end rooftops
● Available in monofacial and bifacial options
● Compatible with mainstream mounting systems and inverters
Application Scenarios
● Residential rooftops
● Commercial & industrial rooftops
● High-temperature regions
● Projects requiring maximum yield per square meter
Why CD Solar BC Modules
CD Solar focuses on delivering high-efficiency, high-reliability BC photovoltaic modules that maximize customer value over the full system lifecycle.
By choosing CD Solar BC Modules, customers achieve:
● Higher installed capacity
● Higher lifetime electricity generation
● Faster payback period
● Safer long-term operation
CD Solar — Leading the New Era of High-Efficiency BC Technology.
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