Product Details

Specifications

4.14W Polycrystalline Silicon Wafer
-Stock goods are available
-Efficiency 18.4%
-Up to 25 years
-A grade

Product Description

4.14W Polycrystalline Silicon Wafer

Dimension:156*156mm+ 0.5mm

Wafer Thickness:200um+30um,180um+30um

Front: Blue silicon nitride anti-reflection coatingsmm,2.0mm silver busbar

Back: Full-surface aluminum back-surface field,4.0mm silver/aluminum continous soldering pads

Efficiency code: 16%-18%

Efficiency:

1. Low voltage-temperature coefficient allows higher power output at high-temperature condition.

2. High efficient, high reliable solar cells ensure our product output stability.

Benefits:

1. Manufactuer in China

2. High efficiency, high safety, high reliability

3. Output power tolerance of +/-3%

Warranty:

1. 10-years limited warranty on materials and workmanship

2. 25-years limited warranty on power output: 10 years/90%, 25 years/80%

Features:

1.High conversion efficiencies resulting in superior power output performance.

2.Outstanding power output even in low light or high temperature conditions

3.Optimized design for ease of soldering and lamination

4.Long-term stability,reliability and performance

Product Pictures

Size		125mm x125mm ±0.5mm
Thickness		190um ± 20um
Front surface(-)		1.7mm bus bars(silver), blue anti-reflecting coating(Silicon nitride)
Back surface (+)		3mm wide soldering pads(silver) back surface field(Aluminum)
TkVoltage		-0.348%/K
TkCurrent		+0.031%/K
TkPower		-0.46%/K
Efficiency(%)	Pmp(W)	Vmp(V)	Imp(A)	Voc(V)	Isc(A)	FF(%)
17.75-18.00	4.27	0.527	8.102	0.628	8.615	78.90
17.50-17.75	4.21	0.521	8.083	0.627	8.584	78.23
17.25-17.50	4.15	0.517	8.028	0.626	8.550	77.57
17.00-17.25	4.09	0.513	7.982	0.624	8.495	77.23
16.75-17.00	4.03	0.512	7.873	0.622	8.408	77.15
16.50-16.75	3.97	0.505	7.871	0.621	8.390	76.14
16.25-16.50	3.91	0.502	7.796	0.620	8.372	75.45
16.00-16.25	3.85	0.499	7.714	0.620	8.350	75.09
15.75-16.00	3.79	0.498	7.601	0.620	8.125	75.34
15.50-15.75	3.73	0.498	7.480	0.619	8.005	75.34

Solar cell I-V curve

Solar Cell Spectral Response

Packaging & Shipping

Original Package, 100pcs in one box, 10 boxes in one Carton

Our Services

1. We will arrange the delivery as soon as your payment is verified by Alibaba.

2. Usually the goods will be received in the system estimated time if the local customs do clearance on time, or there is no delay by public holidays or force majeure events. If you need tracking information pls leave message in the system, and we will response you ASAP.

3. For international orders, we are not in charge of the import duties, customs charges or other VAT’s. Those fees if available should be paid by buyers. But we can help buyers to lower the declared value if needed.

Our advantage:

1.Our battery slice of photoelectric conversion efficiency is high, high reliability, low attenuation, long service life.

2.We introduced foreign advanced cleaning and etching equipment, trim appearance consistent;

3.The spread of our products using advanced technology, uniform throughout conversion efficiency;

4.We are adopting the technology of advanced PECVD film forming technique, the surface plating dark blue reflective film, color beautiful, uniform.

5.We adopts advanced softline printing line.

silk screen printing precision is high, graphics, smooth, easy to automatic welding and laser cutting;

FAQ

1. Q: Are you a factory or trading company?

A: We are a factory.

2. Q: Where is your factory located? How can I visit there?

A: Our factory is located in Hangzhou, Zhejiang, China, near Shanghai. You are warmly welcomed to visit us! Before you take off from your country, please let us know. We will arrange time to pick you up.

3. Q: Can the price be cheaper?

A: Of course, you will be offered a good discount for big amount.

4. Q: Could you print our company LOGO on the nameplate and package?

A: Yes, we accept OEM orders.

5. Q: How do you overcome the anti-dumping and countervailing duties?

A: We can use original Taiwan solar cells, and provide Certificate of Origin of Taiwan.

6. Q: Do you have solar project engineer who can guide me to install system?

A: Yes, we have a professional engineers team. They can teach you how to install a solar system.

Company Information

Our Company Hangzhou Sun Mall Solar Technology Co.,Ltd is a profrssional manufacturer of epoxy solar panel, novelty solar gifts, educational solar toys and other relative solar products. Located in Hangzhou city which is nearby Shanghai and Ningbo city. To avoid the battery pollution, all of our solar products are powered by solar cells without traditional battery. So our novelty solar products are very suitable for promotion, children teaching, high level business gifts, house garden lighting and so on.

We have established long term cooperation relationship with many clients who are from almost 35 countries including Europe and American countries. Though operating with an integrated and advanced factory with modern and fully automatic equipment and facilities. We will offer new novelty solar products for clients all along. To guarantee the product quality, all the products need to pass four stages of QC checks. That's why we assure you of our superior quality and prompt delivery.

Our solar products have outstanding features of design and quality and we are dedicated to protecting our environment. We will try to promote solar energy development and build a better future for our earth.

We hope to build business relationship with friends from all around the world.