|Place of Origin:|
|Number of Cells:|
|Packaging Detail:||paper cartons and wooden pallet with foam filling for solar module|
|Delivery Detail:||Within 10-15 days after receipt of the advance for solar module|
1.Super long life span
2.High tech, high efficiency, high reliable solar penal
4.CE, TUV certificate
Data sheet of 250w solar penal
| Poly-crystalline silicon|
|Maximum Power||Watt|| 250W|
|Production Tolerance|| +3% /-3%|
|Maximum Power voltage|| V|| 30.1|
|Maximum Power current|| A|| 8.30|
|Open circuit voltage|| V|| 37.2|
|Short circuit current|| A|| 8.87|
|Size of module (wide and high)||MM|| 1640*990*40|
|Weight per piece ||KG|| 19|
|Number of cells|| 60pcs(6*10)|
|Frame (type, material and thickness)|| Anodized Alu. Alloy frame,35mm thickness|
|Type of junction box|| PV junction box|
Cable type and length,
PV cable, 0.8m Plug and socket
|Maximum system voltage|| DC1000V|
|Temperature coefficient of Isc|| +0.05%/°C|
|Temperature coefficient of Voc|| -0.34%/°C|
|Temperature coefficient of power|| -0.5%/°C|
|Temperature coefficient of Im|| +0.05%/°C|
|Temperature coefficient of Vm|| -0.34%/°C|
|NOCT (Nominal operating cell temperature)|| 47°C(+2°C)|
|Insulation|| >=100 MΩ|
|Voltage Standoff|| AC2000V, DC3000V|
|Wind Bearing|| 60m/s (200kg/sq.m)|
|Impact Resistance Hail Impact Test||227g steel ball fall down from 1m height|
|CONVERSION EFFICIENCY||Cell CONVERSION EFFICIENCY >16.20%|
|Quality guarantee||10years product warranty and 10 years -10% of power and 25 years -20% of power|
Features of solar penal
|1.||High cell efficiency with quality silicon materials for long term output stability|
|2.||Strictly quality control ensure the stability and reliability, totally 23 QC procedures|
|3.||High transmittance low iron tempered glass with enhanced stiffness and impact resistance|
|4.||Both Polycrystalline and Monocrystalline|
|Excellent performance in harsh weather|
|6.||Outstanding electrical performance under high temperature and low irradiance|
Picturers show of solar penal
|T/T, L/C and Skrill(Moneybookers) are the payment methods we allow at this time.|
|Material in stock can be produce (procedure 5-20days) right away after pre-payment confirmation. COSCO Mearsk MSCship to worldwide for safe shipping, don't worry about package damager or loss. It takes about 15-40 days to worldwide, Please note us your contact details include your phone number for easy contacting from shipping company officer.|
Hope we could have opportunity to cooperate with you and establish a long term good relationship between us.
Thanks for your attention on our company and our product solar penal!
- Q:Why can not the solar panel load directly?
- Power supply must be a number of individual battery strings, connected in parallel and tightly packaged into components.
- Q:Solar panels single crystal and double crystal in the rain which is easy to use
- At present, monocrystalline silicon solar cell photoelectric conversion efficiency of about 15%, the highest reached 24%, which is all types of solar cells in the photoelectric conversion efficiency of the highest, but the production cost is so large that it can not be a large number of extensive And commonly used. Since monocrystalline silicon is typically coated with tempered glass and waterproof resin, it is rugged and durable for up to 15 years and up to 25 years.
- Q:Can cold light make solar panels power
- Solar power generation There are two ways of solar power generation, one is the light - heat - electricity conversion, the other is the optical - electrical direct conversion.
- Q:What is the principle of solar panels to convert solar energy into electricity?
- optical cable communication pump Station power, seawater desalination system, urban road signs, highway signs, etc. Europe and the United States and other advanced countries will be integrated into the photovoltaic power generation system and remote areas of natural village power supply system into the development of the combination of solar cells and building systems have been formed industry Trends
- Q:Single crystal solar panels and polycrystalline solar panels
- monocrystalline silicon market share and a slight increase, and now the market to see the majority of single-crystal silicon cells. Monocrystalline silicon solar cell silicon crystal is very perfect, its optical, electrical and mechanical properties are very uniform, the color of the battery is mostly black or dark, especially for small pieces of small pieces of consumer products.
- Q:What is the difference between solar panels and light panels?
- Silicon solar cells are divided into monocrystalline silicon, polysilicon, amorphous silicon, silicon thin film solar cells and several. At present, the world's most widely used solar cells are silicon solar cells, in large-scale applications and industrial production is still dominated by the penetration rate of 90% or more, monocrystalline silicon solar cell photoelectric conversion efficiency of the highest technology is also the most mature.
- Q:Can solar panels be connected directly to motor?
- The sun is irradiated on the semiconductor p-n junction to form a new hole-electron pair. Under the action of the p-n junction electric field, the holes flow from the n region to the p region. The electrons flow from the p region to the n region, and the current is formed after the circuit is turned on.
- Q:Composition and function of solar panels
- The demand for polysilicon is mainly from semiconductors and solar cells. According to the different requirements of purity, divided into electronic and solar level.
- Q:Polycrystalline solar panels are good or single crystal solar energy is good
- Polycrystalline silicon solar cell production process and monocrystalline silicon solar cell almost, but the polysilicon solar cell photoelectric conversion efficiency will have to reduce a lot of its photoelectric conversion efficiency of about 12% (
- Q:How many solar panels have ah?
- But in reality, the need for solar panel power and solar charger to find a balance in the portability. It is generally believed that the minimum power of the solar charger can not be less than 0.75w, and the secondary power solar panel produces 140mA of current under standard light. In the general sunlight generated by the current at 100mA or so, if less than the secondary power charging current is too small,
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