Poly Solar Panel 250W A Grade with Cheapest Price

Ref Price:
Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 watt
Supply Capability:
50000 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:

Poly Solar Panel 250W A Grade with Cheapest Price


Product description


The actual voltage output of the module changes as lighting, temperature and load conditions change, so there is never one specific voltage at which the module operates. Nominal voltage allows users, at a glance, to make sure the module is compatible with a given system.

Open circuit voltage or VOC is the maximum voltage that the module can produce when not connected to an electrical circuit or system. VOC can be measured with a meter directly on an illuminated module's terminals or on its disconnected cable.




Poly Solar Panel 250W A Grade with Cheapest Price

Application

Industrial

Commercial

Residential


Product feather

solar panel refers to a panel designed to absorb the sun's rays as a source of energy for generating electricity or heating.

A photovoltaic (in short PV) module is a packaged, connected assembly of typically 6×10 solar cells. Solar Photovoltaic panels constitute the solar array of a photovoltaic system that generates and supplies solar electricityin commercial and residential applications. Each module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 365 watts. The efficiency of a module determines the area of a module given the same rated output – an 8% efficient 230 watt module will have twice the area of a 16% efficient 230 watt module. There are a few solar panels available that are exceeding 19% efficiency. A single solar module can produce only a limited amount of power; most installations contain multiple modules. A photovoltaic system typically includes a panel or an array of solar modules, a solar inverter, and sometimes a battery and/or solar tracker and interconnection wiring.


Packaging

24-26pcs into carton 312pcs for 20 foot container 712pcs for 40 foot container.


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:What is the difference between monocrystalline & polycrystalline solar panels?
In regards to my research about these two types of Solar Panels, I suggest that the Monocrystalline Solar Panel would be great! It is affordable and also more convenient to install. Using a 400W Panel means fewer panels and less installation time, in addition to fewer connections and transmission losses which results in big savings and a faster return on your investment.The Topsun Solar Panels boasts efficiency of up to 6.77% and use cutting edge technology for the best heat dissipation in the industry.
Q:How to connect or use Solar Power Panels?
You will need help with this. Panels may or may not be 24 volt. If you can find a name tag, you can find out from the manufacturer's web site. Some folks hook them all in parallel. Mine are in series, to create 480 volts. the reason for going to higher voltage is to reduce power loss in the wiring. Even then, I used a wire size larger than recommended. The frames want to be interconnected, and wired to ground. The live conductors connect through disconnect switches to an inverter. The inverter is sized to the output of the panels. Where the utility allows net metering, the inverters are connected through a disconnect switch to the grid, which of course also feeds the house. Assuming you are on the grid, you will not need batteries. If outages severely impact you, you can have batteries. Counting against them is that they are costly, and use part of the power you generate, just to keep them charged. If you have batteries, it is usually best to rewire circuits so noncritical circuits are disconnected during outages. Leaving perhaps minimal lighting, fridge, freezer and critical medical circuits. Learn all you can from the Internet (try solar panels), and from the green search box above. Be sure to see if your state has a rebate program, and the conditions which it requires.
Q:solar panels for my home.?
You will first need to know how much power you'll be using. Follow the link I left and it will take you to a page that has an Electrical Load Computation Worksheet. It's about the fifth one down on the page. After that, you'll be able to figure out what you need and what it will cost. The page link I left has other helpful articles, too.
Q:how efficient are flexible solar panels?
Up to now, it has very poor efficiency, about 5% to 23%.
Q:DIY kit for solar panel?
Have okorder.com . This can immediately instruct each and every one!
Q:Is it worth installing solar panels on a house that has no South-facing roof?
The answer is NO. We can install PV solar panels to properties that are South East – South West facing. Of course it helps if you are 00% South facing but it’s not the end of the world. In fact I would say that the majority of solar panel installations across Britain are not 00% South facing.
Q:What are the benefits of solar panel heating?
Solar okorder.com
Q:Adding Solar Panels to my home in Portland, Oregon?
I wish it was that easy! Maybe it will be soon. But at this time, no, there isn't. And if you have a solar collection system, you have to have a way to store the energy when you're producing more than what you are currently using. That usually involves an expensive battery array. But it's necessary. The power coming directly from the solar panels will be erratic and sending it to the battery array for storage and then use allows for the home to draw a consistent level of power. And this battery system also allows for storage of electricity for use when the sun isn't shining like at night. The system should be set up to use your power first, then go to the grid. It should also allow for distribution to the grid when your system has stored all the power it can and that's when your meter will run backwards and the power company will be paying you! There are a lot of federal and state income tax rebates for alternative energy installation costs. Check out what Oregon might toss into the package along with the Feds and see where you might come out.
Q:What specification of solar panel do I need?
I okorder.com/ says they have DC to DC solutions from 2 V for most laptops.
Q:Solar Panel Watts?? help!?
Watts is a measurement of power which is a combination of Voltage x Amps Example: a 200 Watt panel can produce 6.6 amps at 2 Volts. (200 = 2 x 6.6) If you bought a 24 volt system the same 200 Watts would give you half the amount of amps since the power (watts) is the same. When determining your needs for a solar system there are many factors that have to be taken into account. The amount of power you use will depend on what appliances you have in the house, how much you use them, and how careful you are with vampire loads (A TV or stereo will use some power even when turned off unless you unplug them). The amount of panels you need will also depend on your battery system, amount of sunlight that you have in a day and how many days of reserve power you think you will need based on the weather in your area. If you wanted to completely run your house on solar energy you are looking at an investment of $5,000 - $20,000 or even more. There sometimes are tax incentive depending on where you live that will reduce your overall cost. Some examples of power usage: Toaster : 800-500W Microwave : 600-500W Dishwasher : 200-500W Washing Machine : 500W Vacuum Cleaner : 200-700W Iron : 000W Clothes dryer : 4000W Ceiling Fan : 0-50W Table Fan : 0-25W Electric Blanket : 200W Hair Blow dryer : 000W Electric Shaver : 5W Laptop Computer : 20-50W Desktop Computer : 80-50W TV (9 colour) : 70W Clock radio : W Fridge / Freezer : 500W 25 colour TV : 50W Electric Kettle : 2000W

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