Polycrystalline Solar Cell Detailed Specifications

Product Characteristics

Dimensions

166×166 mm

Maximum Power (Pmax)

2.73 Wp – 5.7 Wp

Front Surface (-)

No. of Busbars

2,3,4,5,6,9

Back Surface

No. of Soldering Pads

2,3,4,5,6,9

Electrical Data at STC

Cell Efficiency 

18.4 % – 20.7 %

Voltage at Maximum Power Point (Vmpp)

0.512 V – 0.55 V

Current at Maximum Power Point (Impp)

5.329 A – 10.36 A

Open Circuit Voltage (Voc)

0.64 V – 0.65 V

Short Circuit Current (Isc)

5.817 A – 10.73 A

Fill Factor (FF)

73.27 % – 81.7 %

Electrical Characteristics (STC)

Parameter

Typical Value

Notes

Efficiency

15 – 19 %

Module efficiency

Pmpp

4.6 – 5.0 W (per cell)

Based on 157×157 mm cell

Vmpp

~0.55 V

Voltage at max power

Impp

~8.4 A

Current at max power

Voc

~0.66 V

Open circuit voltage

Isc

~8.9 A

Short circuit current

Fill Factor

~81 %

Temperature Coefficients

Parameter

Value

Pmax Temperature Coefficient

−0.37 %/°C

Voc Temperature Coefficient

−0.38 %/°C

Isc Temperature Coefficient

+0.06 %/°C

Nominal Operating Cell Temperature (NOCT)

47 ± 2 °C

Mechanical Specifications

Parameter

Value

Cell Size

157 × 157 mm ±0.5 mm

Wafer Thickness

~200 µm ±20 µm

Front Coating

SiNx anti-reflection

Encapsulation

EVA + Glass

Frame

Anodized Aluminum

Operating Conditions

Parameter

Value

Operating Temperature Range

−40 °C to +85 °C

Max System Voltage

1000–1500 V DC

Mechanical Load

2400 Pa wind / 5400 Pa snow

Junction Box

IP67 / IP68

Notes

Polycrystalline modules show lower efficiency in low-light compared to monocrystalline.

Annual degradation: ~0.5 % after first year.

Lifetime: ≥ 25 years with proper installation

Examples of specifications for some types of Polycrystalline Solar Cells

156.75-Poly-5BB-PID

Product Characteristics

Model No.

156.75-5BB 4.47

156.75-5BB 4.52

156.75-5BB 4.55

156.75-5BB 4.57

156.75-5BB 4.59

Product Characteristics

Cell Technology

Polycrystalline

Dimensions

156.75×156.75 mm

Cell Thickness

200 ± 15 µm

Front Surface (-)

No. of Busbars

5

Busbar Width

0.7 mm

Busbar Material

Silver

Anti Reflection Coating

Silicon nitride

Back Surface (+)

No. of Soldering Pads

5

Soldering Pad Width

2 mm

Soldering Pad Material

Silver

Back Surface Field (BSF)

Aluminium

Electrical Data at STC

Maximum Power (Pmax)

4.47 W

4.52 W

4.55 W

4.57 W

4.59 W

Voltage at Maximum Power Point (Vmpp)

0.5333 V

0.5371 V

0.5395 V

0.5389 V

0.5422 V

Current at Maximum Power Point (Impp)

8.431 A

8.417 A

8.424 A

8.48 A

8.473 A

Open Circuit Voltage (Voc)

0.6296 V

0.6321 V

0.6342 V

0.6347 V

0.637 V

Short Circuit Current (Isc)

8.93 A

8.911 A

8.913 A

8.975 A

8.963 A

Cell Efficiency

18.3-18.4 %

18.4-18.5 %

18.5-18.6 %

18.6-18.7 %

18.7-18.8 %

Fill Factor (FF)

79.97 %

80.26 %

80.4 %

80.22 %

80.46 %

156 Poly Solar Cell

Product Characteristics

Model No.

SKTP2-5B

Product Characteristics

Cell Technology

Polycrystalline

Dimensions

156.75×156.75 mm

Diagonal

210 mm

Cell Thickness

190 ± 30 µm

Front Surface (-)

No. of Busbars

5

Busbar Width

0.7±0.2 mm

Busbar Material

Silver

Anti Reflection Coating

Silicon nitride

Back Surface (+)

No. of Soldering Pads

4

Soldering Pad Material

Silver

Electrical Data at STC

Maximum Power (Pmax)

4.58 W

Voltage at Maximum Power Point (Vmpp)

0.584 V

Current at Maximum Power Point (Impp)

11.025 A

Open Circuit Voltage (Voc)

0.682 V

Short Circuit Current (Isc)

11.605 A

Cell Efficiency

18.6-18.7 %

Fill Factor (FF)

81.38 %

Marble Series

Product Characteristics

Model No.

1440

1480

1500

1520

1540

1560

1580

Product Characteristics

Cell Technology

Polycrystalline

Dimensions

156×156 mm

Diagonal

220 mm

Cell Thickness

200 ± 20 µm

Front Surface (-)

No. of Busbars

3

Busbar Width

1.55 mm

Back Surface (+)

No. of Soldering Pads

3

Soldering Pad Width

2 mm

Back Surface Field (BSF)

Aluminium

Electrical Data at STC

Maximum Power (Pmax)

3.53 W

3.63 W

3.67 W

3.72 W

3.77 W

3.82 W

3.87 W

Voltage at Maximum Power Point (Vmpp)

3.91 W

3.96 W

4.02 W

4.06 W

4.11 W

4.16 W

4.21 W

Current at Maximum Power Point (Impp)

7.22 A

7.38 A

7.43 A

7.5 A

7.57 A

7.63 A

7.71 A

Open Circuit Voltage (Voc)

0.597 V

0.601 V

0.603 V

0.605 V

0.607 V

0.609 V

0.61 V

Short Circuit Current (Isc)

7.71 A

7.86 A

7.92 A

7.99 A

8.06 A

8.13 A

8.21 A

Cell Efficiency

14.5-14.3 %

14.9-14.7 %

15.1-14.9 %

15.3-15.1 %

15.5-15.3 %

15.7-15.5 %

15.9-15.7 %

Fill Factor (FF)

76.55 %

76.86 %

76.86 %

76.96 %

77.06 %

77.05 %

77.13 %

Thermal Ratings

Temperature Coefficient of Pmax

-0.4 %/˚C

Temperature Coefficient of Voc

-0.35 %/˚C

Temperature Coefficient of Isc

0.05 %/˚C

RSHC156P

Product Characteristics

Model No.

4.43

4.45

4.47

4.50

4.52

4.55

4.57

4.59

Product Characteristics

Cell Technology

Polycrystalline

Dimensions

156×156 mm

Cell Thickness

180 ± 20 µm

Front Surface (-)

No. of Busbars

3

Back Surface (+)

No. of Soldering Pads

5

Electrical Data at STC

Maximum Power (Pmax)

4.43 W

4.45 W

4.47 W

4.5 W

4.52 W

4.55 W

4.57 W

4.59 W

Voltage at Maximum Power Point (Vmpp)

0.533 V

0.535 V

0.536 V

0.538 V

0.539 V

0.541 V

0.542 V

0.544 V

Current at Maximum Power Point (Impp)

8.32 A

8.34 A

8.37 A

8.9 A

8.41 A

8.43 A

8.45 A

8.47 A

Open Circuit Voltage (Voc)

0.628 V

0.63 V

0.631 V

0.633 V

0.634 V

0.636 V

0.637 V

0.639 V

Short Circuit Current (Isc)

8.84 A

8.86 A

8.87 A

8.89 A

8.91 A

8.93 A

8.95 A

8.96 A

Cell Efficiency

18.0 %

18.1 %

18.2 %

18.3 %

18.4 %

18.5 %

18.6 %

18.7 %

Fill Factor (FF)

79.68 %

79.82 %

80.08 %

80.16 %

80.23 %

80.25 %

80.35 %

80.43 %

Thermal Ratings

Temperature Coefficient of Pmax

-0.36 %/˚C

Temperature Coefficient of Voc

-0.37 %/˚C

Temperature Coefficient of Isc

0.06 %/˚C

P6P166-9BB

Product Characteristics

Model No.

5.4

5.46

5.48

5.51

5.54

5.57

5.59

5.62

Product Characteristics

Cell Technology

Polycrystalline

Dimensions

166×166 mm

Cell Thickness

170 ± 30 µm

Front Surface (-)

No. of Busbars

9

Busbar Width

1.8 mm

Busbar Material

Silver

Anti Reflection Coating

Silicon nitride

Back Surface (+)

No. of Soldering Pads

9

Soldering Pad Material

Aluminium

Back Surface Field (BSF)

Aluminium

Electrical Data at STC

Maximum Power (Pmax)

5.4 W

5.46 W

5.48 W

5.51 W

5.54 W

5.57 W

5.59 W

5.62 W

Voltage at Maximum Power Point (Vmpp)

0.54 V

0.541 V

0.542 V

0.543 V

0.544 V

0.545 V

0.546 V

0.547 V

Current at Maximum Power Point (Impp)

10 A

10.09 A

10.11 A

10.15 A

10.18 A

10.22 A

10.24 A

10.27 A

Open Circuit Voltage (Voc)

0.64 V

0.641 V

0.642 V

0.643 V

0.644 V

0.645 V

0.646 V

0.647 V

Short Circuit Current (Isc)

10.63 A

10064 A

10.65 A

10.66 A

10.67 A

10.68 A

10.69 A

10.7 A

Cell Efficiency

19.6 %

19.8 %

19.9 %

20 %

20.1 %

20.2 %

20.3 %

20.4 %

Fill Factor (FF)

79.37 %

0.08 %

80.14 %

80.41 %

80.59 %

80.86 %

80.96 %

81.15 %

Thermal Ratings

Temperature Coefficient of Pmax

-0.38 %/˚C

Temperature Coefficient of Voc

-0.36 %/˚C

Temperature Coefficient of Isc

0.07 %/˚C

MWT156

Product Characteristics

Model No.

MWT156 4.33

MWT156 4.36

MWT156 4.38

MWT156 4.14

MWT156 4.43

MWT156 4.45

MWT156 4.48

MWT156
4.15

Product Characteristics

Cell Technology

Polycrystalline

Dimensions

156×156 mm

Diagonal

220 mm

Cell Thickness

200 ± 20 µm

Front Surface (-)

No. of Busbars

5

Back Surface (+)

No. of Soldering Pads

5

Electrical Data at STC

Maximum Power (Pmax)

4.33 W

4.36 W

4.38 W

4.4 W

4.43 W

4.45 W

4.48 W

4.5 W

Voltage at Maximum Power Point (Vmpp)

0.524 V

0.525 V

0.526 V

0.527 V

0.528 V

0.528 V

0.529 V

0.529 V

Current at Maximum Power Point (Impp)

8.435 A

8.447 A

8.448 A

8.475 A

8.483 A

8.456 A

8.516 A

8.538 A

Open Circuit Voltage (Voc)

0.627 V

0.628 V

0.629 V

0.63 V

0.631 V

0.631 V

0.635 V

0.632 V

Short Circuit Current (Isc)

9.005 A

9.026 A

9.032 A

9.051 A

9.069 A

9.079 A

9.098 A

9.11 A

Cell Efficiency

17.8-17.9 %

17.9-18 %

18-18.1 %

18.1-18.2 %

18.2-18.3 %

18.3-18.4 %

18.4-18.5 %

18.5-18.6 %

Fill Factor (FF)

78.28 %

78.24 %

78.22 %

78.33 %

78.27 %

77.93 %

77.98 %

78.45 %

Thermal Ratings

Temperature Coefficient of Pmax

-0.38 %/˚C

Temperature Coefficient of Voc

-0.33 %/˚C

Temperature Coefficient of Isc

0.05 %/˚C

157B5

Product Characteristics

Model No.

180

182

183

184

185

186

187

188

Product Characteristics

Cell Technology

Polycrystalline

Dimensions

156.75×156.75 mm

Cell Thickness

180/200 ± 20 µm

Front Surface (-)

No. of Busbars

5

Busbar Width

0.7±0.05 mm

Busbar Material

Silver

Anti Reflection Coating

Silicon nitride

Back Surface (+)

No. of Soldering Pads

5

Soldering Pad Width

1.7 mm

Soldering Pad Material

Silver, Aluminium

Back Surface Field (BSF)

Aluminium

Electrical Data at STC

Maximum Power (Pmax)

4.42 W

4.47 W

4.5 W

4.52 W

4.55 W

4.57 W

4.59 W

4.62 W

Voltage at Maximum Power Point (Vmpp)

0.535 V

0.537 V

0.538 V

0.54 V

0.542 V

0.543 V

0.543 V

0.544 V

Current at Maximum Power Point (Impp)

8.27 A

8.33 A

8.36 A

8.38 A

8.4 A

8.42 A

8.47 A

8.49 A

Open Circuit Voltage (Voc)

0.629 V

0.631 V

0.633 V

0.634 V

0.635 V

0.636 V

0.639 V

0.638 V

Short Circuit Current (Isc)

8.76 A

8.81 A

8.84 A

8.86 A

8.89 A

8.91 A

8.95 A

8.97 A

Cell Efficiency

18.00 %

18.20 %

18.30 %

18.40 %

18.50 %

18.60 %

18.70 %

18.80 %

Fill Factor (FF)

80.3 %

80.47 %

80.38 %

80.56 %

80.65 %

80.68 %

80.42 %

80.7 %

Thermal Ratings

Temperature Coefficient of Pmax

-0.4 %/˚C

Temperature Coefficient of Voc

-0.31 %/˚C

Temperature Coefficient of Isc

0.04 %/˚C