250W Polycrystalline Solar Panel Made in China

Ref Price:
Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 watt
Supply Capability:
10000 watt/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Item specifice:

Material: Polycrystalline Silicon Max. Power(W): 250 Number of Cells(pieces): 60

Product Description:

Product Description

Produt name: 250W Poly Crystalline Solar Panel


Product Highlights:
  1. Guarantee positive power tolerance (0~+3%)
  2. Module can bear snow loads up to 5400Pa and wind loads up to 2400pa
  3. High performance under low light conditions (cloudy days, mornings and evenings)
  4. Certified by Europe standards of TUV, IEC, CE and British MCS and AUS CEC
  5. OEM/ODM available
 
Specification:

Electrical Characteristics
Maximum Power [Pmax]250W
Power Tolerance+/-3%
Maximum Power Voltage [Vmp]30.1V
Maximum Power Current [Imp]8.31A
Short-Circuit Current [Isc]8.73A
Open-Circuit Voltage [Voc]37.3V
Module Efficiency15.37%
Max. System Voltage1000VDC
Cell Size and SeriesPoly 156*156  60pcs (6*10)
Temperature Coefficient of Pmax- 0.47% / º C
Temperature Coefficient of Voc- 0.35% / º C
Temperature Coefficient of Isc0.05% / º C
Mechanical Characteristics
Dimension (mm)1640*992*40
FrameAnodized Aluminium Alloy
Glass3.2mm,High Transmission,Tempered Glass
Junction box & CableIP65 Rated weatherproof connectors
Cable: TUV 1x4.0mm2 / UL12AWG,Length:900mm
Weight19.0Kgs


Industry-leading Warranty:
Warranty on material and workmanship: 10 years
Guaranteed output of 90% after 12 years and 80% after 25 years.

250W Polycrystalline Solar Panel
Application:
Poly 250W Panels in 1MW CGC PV Demonstration Project
250W Polycrystalline Solar Panel

The Future Looks Brighter with Us!

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:solar panel design question?
Because we and the trees are trying to solve a different problem. We want electricity, a tree wants light (and some heat) for photosynthesis. In getting the electricity we use Silicon for solar panels. (Sometimes Gallium Arsenide). And we exploit the same thing in Silicon that allows them to be computer chips. The fact that they conduct differently when voltage is applied. But for a solar panel that is done essentially in reverse. We GET a voltage difference (electricity) from shoving energy through it. Look up junction bias on google or yahoo for explanation. But the DESIGN problem is: You have to couple these panels together the right way - according to their bias. You can't string them up willy nilly. There is a pattern. And when one breaks in this pattern. (I mean when the actual panel cracks, which they do easily as they are brittle). It can change the overall bias. This can make even be worse than if it was removed, it can actually fight against the working ones. The efficiency is there in arranging them like a tree, but the practicality of maintenance would be daunting.
Q:Can I build my own Hot Water Solar Panels?
I worked for a plumbing service that offered hot water solar panel installs and replacements. I've replaced perfectly good solar panels for people who wanted to upgrade to the latest. We had piles and piles of panels out behind the shop. We use to scrap the copper and sell the glass panes. A few people would ask to scavenge panels and the boss would let them have it cheap, just to move some of the stuff. I would do the same. I'd find a local installer and see what they do with the leftovers. Chances are, if you searched diligently, you could probably find panels in good shape and use them to supplement your energy usage. Bear in mind, solar hot water system are very different from standard systems. They usually have a much larger storage tank. Typically 80-20 gallons compared to 40. They have a circulating pump and temperature sensors to move the heated water from the panel into the tank. These larger hot water heaters/tanks have much better storage and insulation to keep the water temperature that is generated during the day to last into the evening when people are home to use the shower and wash clothes to take advantage of solar heat. It's not just a matter of getting a panel and slapping it up. There's are technical aspects that need to be followed and if you don't know them, I would advise against doing it yourself. Study up on it and see if it's something you want to tackle on your own before you go too far doing legwork to find out details that might be cost prohibitive or too complicated. Good luck.
Q:What is the anatomy of a solar panel?
You've probably seen calculators that have solar cells -- calculators that never need batteries, and in some cases don't even have an off button. As long as you have enough light, they seem to work forever. You may have seen larger solar panels -- on emergency road signs or call boxes, on buoys, even in parking lots to power lights. Although these larger panels aren't as common as solar powered calculators, they're out there, and not that hard to spot if you know where to look. There are solar cell arrays on satellites, where they are used to power the electrical systems. You have probably also been hearing about the solar revolution for the last 20 years -- the idea that one day we will all use free electricity from the sun. This is a seductive promise: On a bright, sunny day, the sun shines approximately ,000 watts of energy per square meter of the planet's surface, and if we could collect all of that energy we could easily power our homes and offices for free.
Q:how to make a solar panel?
In another building, workers weld solar cells together into strips, then align them by eye on a light box to form the rows and columns of cells that make up a complete solar panel.
Q:How to build a solar panel?
Building solar panels is not really a do it yourself kind of job. They are made in high tech factorys with specialized equipment and experianced engineers. It would probably be cheaper and easier to just buy some panels rather than try to make your own.
Q:SOLAR ELECTRICITY PANELS DO THEY WORK?
Definitely, your idea is a perfect one. Solar electricity panels work well.
Q:How do you make solar panels?
it takes a ton of them to power a home most only put out 45 watts, [cheaper ones] solar is not cheap its more expensive than electricity
Q:Solar panel for your home?
These are all good questions but they are open Items. Solar panels work by the reaction of certain elements upon exposure to sunlight.The amount of power generated is Dependant on at least three factors; The size of the solar panel, the type of solar cells used (The specific element and the cell construction) and the amount of sunlight to which the panels are exposed. The answers to these questions may indicate how much you will save (How much does your electricity now cost per KWH and how much do you use in the two family house} and if solar is feasible in your location. You should probable contact at least three of the local companies that do solar installations and listen (with a cynical ear) to their presentations. They are all trying to sell you their product but you after listening to more than one presentation can sort through the BS. Also you might contact your present power provider. They should be able to give you some good advice on alternative energy availability. Good Luck DOCSRG
Q:Solar Panels heat absorption?
solar panel just suit the sunshine.because it has big light intensity . it can make solar panel produce electric charger.
Q:How Do Solar Panels Work?
Solar panel or solar cells are semiconductor that generates electric current when expose to a light source such as the sun. It is a large diode that is capable of generating elctricity.If building a project you have to weigh the voltage and current requirements against the panel size ie.. 5x5 inches may be able to generate 00milliamps at 5 volts in bright sunlight.

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range