Silicon Polycrystalline Solar Panel 245W

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We are a high-tech group wich specializes in solar products design,research, manufacture, sales,solar projects design and installation. 

Our national sales service covers seven parts, including northeast, north, east, middle, south, northwest and southwest, international sales covers five continents and over forty countries, including Germany, Italy, Spain, France, America and Brazil etc. 

We now provide Polycrystalline Silicon Solar Module;Thin Film Solar Module;Monocrystalline Silicon Solar Module


This installation Manual contains essential information for the electrical and mechanical installation that your must know before installing CUSTOMER PV modules. This also contains safety information you need to be familiar with .All the information described in this manual are the intellectual property of CNBM and based on the technologies and experiences that have been acquired and accumulated in the long history of CUSTOMER. This document does not constitute a warranty, expressed or implied.



 Silicon Polycrystalline Solar Panel 245W


Maximum Power






Frame Colar


Manufacture Site



Anodized Aluminum Alloy


19 kg



The title angle of the PV module is the measured between the PV module and a horizontal ground surface. The PV module generates the maximum output power when it faces the sun directly.

For the standalone systems with a battery where the PV modules are attached to a permanent structure , the tile angle of the PV modules should be determined to optimize the performance when the sunlight is the scarcest. In general, if the electric power generation is adequate when the sunlight is the scarcest, then the angle chosen should be adequate during the rest of the year. For grid-connected installations where the PV modules are attached to a permanent structure, it is recommended to tilt the PV module at the angle equal to the latitude of the installation site so that the power generation from the PV module will be optimum throughout the year.


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Q:What is maximum system voltage in solar panel?
Q:How many solar panels do you need on your house to power your heater in winter?
Lets assume the panels are 00 Watt panels. You would need 50 panels to just provide power for the heating maybe 2-4 hours a day on nice sunny days. Get the picture? Remember the rating on a panel is peak power when the sun is at just the right position. Solar panels are not normally a good system for heat or air conditioning. They simply get much to large and expensive, and are not reliable because the sun does not always shine. If you are in an area where the electric company will purchase any power you do not use and give you a credit, then you can build a system much larger than you need in the spring and fall and might be able to produce enough during these periods and get a credit. You then use the credits in the winter for heat and in summer for cooling. This requires a detailed study of your uses all year, then designing a system that produces enough to cover your yearly KWH load. It will probably be very expensive, but many are using taxpayer dollars subsidies and electric company rebate programs to make these system more cost-effective. You would need to check your local area utility company.
Q:260 watt solar panels on an rv?
What are you going to power with your 260w solar panels? Tools? They generally use more than 260w. The panels will generate electricity. The problem is that your tools likely don't use DC. And if you're asking here, it's not likely that you have the background to hook everything up correctly. You'd need both batteries and a pretty good sized inverter.
Q:I will like set up a solar panel to cut down my eletricity cost in Cameroon.can you allocate me a supplier?
good idea going solar, i would suggest doing a google search, as their are many suppliers. then you need to calculate the amount of wattage you think these apartment houses are going to require. volts x amps = watts. if you are going to be off of the power grid, then you will need a way to store excess energy during good times,( lots of sun) in order to use it during bad times ( no sun ). or see if you are able to sell your extra power back to your local power company, check because some companies do not allow this. you could even have a generator for emergencies if you go off the power grid. on final note, solar is a pretty sizable investment up front and your profits are seen mainly in the long run, but you will get energy savings immediately, but more likely those savings will go to paying off the solar panels also, you will need a converter to convert the ac (alternate current) produced by the panels into dc ( direct current ) which is used by the apartments. it will tie in to the existing electrical system in the apartments. i know germany is really pushing solar energy and they offer their citizens some pretty sweet deals to go solar. the companies are profiting from this so i would suggest looking for a supplier in germany, first. they may have better deals, or try bp (british petroeum) they have been in the solar business for awhile. i wish you success!
Q:Can I hook up a Solar Panel to a car battery? Does it matter the kind of car battery?
Those answers are partly correct. You cannot recharge two 2 volt batteries in series with a photovoltaic panel with an open circuit voltage of 8 volts. You possibly over charged your 7.5 AH battery with a 00 watt photovoltaic panel, which can supply 8 amps to the battery with unusually bright sun light = fully charged in one hour. More likely you did not charge the battery for a month or more which killed it. Also discharging below 2.6 volts shortens the life of the battery, or short circuiting the terminals even briefly. Yes a deep cycle sealed lead acid battery rated 2 AH is likely the best unless you buy a 00 amp hour marine battery which weighs about 80 pounds and will take at least two days of bright Sun to fully charge.
Q:A question about Solar Panels?
Take a look on OKorder at some of the books on how to design solar energy systems. It is a bit more complicated than you might expect. I'm not sure what you consider to be a standard solar panel, but the 3' ones I have produce about 5 watts of power in full sunlight. Put simply, you need to convert the power from the solar cells (variable voltage) into a constant voltage usable for charging a batteries. Most of the low cost modules for this purpose can't handle more than about 00 watts. Larger systems are available that handle thousands of watts but they are quite pricey. Since you can't take out more than you put into your battery system, you can calculate about how long you can run a high-current appliance based upon its wattage rating, that of the battery system (adjusted for loss of converting to AC), and the charging system.
Q:How Do Solar Panels Work?
sunlight is collected by cells in a panel which is transefered to enrygy
Q:solar panel for pool pump?
You can buy a solar pool pump with all the equipment you'll need.
Q:how the energy of solar panel measure?
A solar panel is made up of solar cells. Each cell produces about 0.5 to 0.6 volts. Cells are connected in series, like the batteries in a flashlight. Enough cells are placed in series to produce the desired voltage. Cells produce very little current, so many strings of cells are connected in parallel to produce sufficient current. The output is direct current (DC), like that from a battery. A home solar system needs alternating current (AC), so an inverter is used to change from DC to AC. Some systems have batteries for backup power. In these some of the DC output is used to keep the batteries charged. Systems are measured in kilowatts. System sizes are chosen to meet the demands for electricity. My system has a 6 kilowatt (kW) rating. The true output is more like 4. Now that you know this much you can Google SOLAR SYSTEMS to learn more.
Q:Solar panel wiring, materials?
It does not matter if you father is a electrician he must be a fully qualified solar installer or you will not receive any money from the government. You need more than just solar panels you need regulators, grid interaction devices and array controller. 5KW installation is large and will cost around $5000 for the panels then around 5000 for controllers and equipment needed and then there are the basic materials such as rails, junctions, cables etc Total cost is approx $5,000

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