Verified Company
Shenzhen Kewell Technology Development Limited
Click to enlarge
2013 hot selling high efficiency 17.6% polycrystalline solar cell low solar cell price
Kewell company is a high tech environmental friendly enterprice which was established in 1998 .
With the rapid development of solar industry ,kewell company have owned three subsidiary companies -one silicon mine in jiujiang city jiangxi province ,one hardware company and one solar panel factory in shenzhen.our soalr panel factory employed around 200 skilled workers ,10 senior R and D engineers, more than 10 overseas salesperson, 2 after-sales center and 3 production instructors , we would like to offer our customers comprehensive serivice and technical support from pre-sale and after -sale
Under strict quality control system , our products include :
125mm mono solar and 156mm poly and mono solar cell
3w to 300w monocrystalline and poly-crystalline silicon solar panel
5w to 50kw home use or roof solar power system include off-grid system and on-grid system .
200w to 200kw wind turbine system
Which are exported to more than 40 countries such as Europe, America,Africa,Asia ,and gain a higher reputation .we offer OEM,ODM,OBM service as per customer request and aim at making a greater contribution to the usage of solar energy globally
If you are in this line , hope we can cooperate and help you expand your market and realize win-win .
1) i want to introduce our 156x156mm polycrystalline photovoltaic cell with 3BB and 2 BB
2) Multi-Crystalline Silicon Solar Cell (3 Bus Bars)
Physical characterstics:
Dimension 156mm×156mm±0.5mm
Thickness Wafer(Si):200±20μm
Cell:240±40μm
Front Silver bus bars;Dark blue/other silicon nitride antireflection coating
Back Silver/Aluminum bus bars;Full-surface aluminum BSF
3) Specification
Efficiency | Effciency | Pmax(W) | Average | Impp(A) | Vmpp(V) | Isc(A) | Voc(V) |
1720 | 17.20-17.40 | >4.186 | >4.186 | 7.960 | 0.526 | 8.500 | 0.625 |
1700 | 17.00-17.20 | 4.137-4.186 | 4.161 | 7.925 | 0.523 | 8.462 | 0.624 |
1680 | 16.80-17.00 | 4.088-4.137 | 4.113 | 7.886 | 0.520 | 8.411 | 0.623 |
1660 | 16.60-16.80 | 4.040-4.088 | 4.064 | 7.841 | 0.518 | 8.363 | 0.621 |
1640 | 16.40-16.60 | 3.991-4.040 | 4.015 | 7.792 | 0.515 | 8.313 | 0.619 |
1620 | 16.20-16.40 | 3.942-3.991 | 3.967 | 7.747 | 0.512 | 8.261 | 0.617 |
1600 | 16.00-16.20 | 3.894-3.942 | 3.918 | 7.693 | 0.509 | 8.209 | 0.614 |
Data under stand testing conditions (STC):1,000W/M²,AM 1.5,25°C.
All figures bear±3% of tolerance
The measurement of cell is calibrated by Franunhofer ISE
Typical temperature coffiecients:
Voltage -2.15 mV/K
Current +4.4mA/K
Power -0.46%/K
Packaging:
Typical package for one box is 1,000 cells.These cells are sealed in paper boards every 100 PCS.Gross weight per unit box shall be around 16kg