250W Poly-Crystalline Silicon Solar Panels

Electrical & Mechanical Data

Junction Box in proof-water with TUV Certificate
Bypass Diode Rated 15A
Solar Cable & Connector: 4 m² with MC4 connector with TUV Certificate


1.Toughed Glass: The glass is super white cloth grain of toughened glass , the thickness of 3.2mm , the solar cell spectral response range of wavelengths (320-1100 nm), light transmittance over 91% , Ultraviolet light radiation , light transmittance is not falling . Toughened glass is made of components can withstand 25 mm in diameter of hockey hit at a speed of 23 m/s.
2. EVA: 0. 5 mm thickness with high quality EVA film as sealant of solar cell and and the connection between the glass, TPT agent. With high light transmittance and anti-aging ability. Solar cell encapsulation of EVA film after curing performance requirements:
Light transmittance is greater than 90% ; Crosslinking degree is more than 65-85% ; Peel strength (N/cm), glass/film is more than 30 ; TPT/film is more than 15 ; Temperature resistance , high temperature 85° C , low temperature - 40° C .,
3. TPT Back-Sheet: the back of the solar panel, ageing resistance , corrosion resistance , resistance to ultraviolet radiation, airtight, etc. Basic requirements.
4. Frame: aluminum alloy frame with high intensit , mechanical shock resistance abilityDrawing

Packing


Company Profile
Nanjing KingSun Solar Technology Co., Ltd is a professional manufacturer and supplier of Solar Panel (Solar Module), Solar Power System, Integrated Solar Street Light and LED Solar Light series products in China that located at Nanjing City. 

Our products are exported to Europe, Middle East, Africa, South America, Australia, New Zealand and Asia countries with TUV IEC61215 & 61730, ISO, CE and RoHS certificates of international quality standard, also we have flexible and timely after-sales service. We offer all products with high quality and sustainable service to our customers and establishing a long-term cooperative relationship with them. 

Through the continuous technological innovation and expanding of the production scale, KingSun Solar is continuing to lower manufacturing costs to make theinexhaustible and green solar energy to step in thousands of households, and create a better tomorrow for human development. 

KingSun Solar carries out enterprise culture of " Integrity, Innovation, Universitied, Pioneering ", and the spirit of " One earth, One Home, Solar change the Future " is our permanent pursuit, our practical attitude and accountability make our team work more efficient and more competitive. 

Why choosing KINGSUN

1) Excellent quality, competitive price, prompts delivery, on-time service and good reputation.
2) Fast sample delivery
3) Low minimum order
4) Fast shipment in 15~20 days on receipt of your payment.
5) We handle all the components needed for utility-connected systems, or for powering independent homes and remote industrial sites.
6) We offer knowledgeable tech support before and after the sale.
7) We manufacture the complete line of solar modules ranging from 3w to 300w with CEC, TUV, and CE approval, offering the full spectrum sizes,solar panels are as efficient as other competitors, but far cheaper-without skimping on quality.