2012 High Efficiency Monocrystalline Cheap Photovoltaic Cell
1. High efficiency and High power.
2. Long-term electrical stability.
3. Lowest price and Fastest delivery.
4. Good quality and good service.
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 .
Mono-Crystalline Silicon Solar Cell
PHYSICAL
Dimension: 156mmx 156xx ± 0.5mm
CHARACTERISTISCS
Wafer Thickness: 200 um ± 30 um
180 um ± 30 um / -20 um
Front(-) Three 1.5mm wide bus bars (silver)with distance 75mm,
alkaline texturized surface with dark bule silicon nitride AR coating.
Black(+) 3.0mm wide silver/aluminum soldering pads,aluminun back surface field.
TYPICAL ELECTRICAL CHARACTERISTICS
| Efficiency | 1780 | 1800 | 1820 | 1840 | 1860 |
| Efficiency(min)% | 17.8 | 18.0 | 18.2 | 18.4 | 18.6 |
| Pmax(W) | 4.253 | 4.301 | 4.349 | 4.397 | 4.444 |
| Voc(V) | 0.636 | 0.637 | 0.638 | 0.639 | 0.640 |
| Isc(A) | 8.768 | 8.802 | 8.835 | 8.872 | 8.946 |
| Vmp(v) | 0.526 | 0.527 | 0.528 | 0.530 | 0.532 |
| Imp(A) | 8.087 | 8.161 | 8.237 | 8.296 | 8.354 |
*Data under standard testing conditional (STC):1,000w/m2,AM1.5, 25°C , Pmax:Positive power tolerance.
TYPICAL TEMPERATURE Voltage -2.16 mV/K
COEFFICIENTS Current +4.45 mA/K
Power -0.44 %/K
PACKAGING
Typical package for one carton contains 1,200 cells.The cells are sealed in cell box every 100pcs.Gross weight peri unit carton shall be around 16.4Kg

Verified Company
Shenzhen Kewell Technology Development Limited

