Polycrystalline Silicon Solar Modules 72Cell-305W

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China Main Port
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Min Order Qty:
1000 watt
Supply Capability:
10000000 watt/month

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1. Structure of Polycrystalline Silicon Solar Modules 72Cell-305W Description

Solar panels can be used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications.

-Tests by independent laboratories prove that  modules:

 Fully conform with certification and regulatory standards.

 Withstand wind loads of up to 2.4kPa and snow loads of up to 5.4kPa, confirming mechanical stability.

 Successfully endure ammonia and salt-mist exposure at the highest severity level, ensuring their performance in adverse conditions.

- High effi ciency, multicrystalline silicon solar cells with high transmission and textured glass deliver a module effi ciency of up to 16.0%, minimizing installation costs and maximizing the kWh output of your system per unit area.

- Tight positive power tolerance of 0W to +5W ensures you receive modules at or above nameplate power and contributes to minimizing module mismatch losses leading to improved system yield.

- Top ranking in the “TÜV Rheinland Energy Yield Test” and the “PHOTON Test” demonstrates high performance and annual energy production.


2. Main Features of the Polycrystalline Silicon Solar Modules 72Cell-305W


- 10-year limited product warranty1.

- Limited power warranty1: 1 year at 98% of the minimal rated power

output, 10 years at 92% of the minimal rated power output, 25 years

at 82% of the minimal rated power output.

1In compliance with our Warranty Terms and Conditions.


IEC 61215, IEC 61730, MCS, CE, ISO 9001:2008, ISO 14001:2004, BS OHSAS 18001:2007, PV Cycle, SA 8000


3. Polycrystalline Silicon Solar Modules 72Cell-305W Images



4. Polycrystalline Silicon Solar Modules 72Cell-305W Specification

Electrical parameters at Standard Test Conditions (STC)窗体底端

Power output

P max



Power output tolerances

ΔP max


0 / + 5

Module effi ciency

η m



Voltage at Pmax

V mpp



Current at Pmax

I mpp



Open-circuit voltage

V oc



Short-circuit current

I sc


8.93 窗体底端


 5.  FAQ of Polycrystalline Silicon Solar Modules 72Cell-305W

(1) Can you offer the test report of the module?
     Sure. All the solar modules must pass necessary tests including EL test and ultra-red test and other visual test of the apperance, and the test report presents all the detailed data of the modules.
(2) How  to confirm about the quantity and the type of solar module?
     It depends on the solar system where  you want to put into use the solar modules. We have experienced engineers to design for your order and you need to give more information to fix the details.
(3) How long will you deliver the solar modules?
     We need to purchase the materials according to the list confirmed by you and put into production, and  we will do our best to get your satisfaction.


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Q:Whats the annual energy output of the average solar panel.?
The energy output is highly dependent on the location. For a specific area, you can look up the equivalent peak sun hours per day here: rredc.nrel.gov/solar/old_data/nsr... Let's say that it says the peak sun is 5 hours / day in your location. Then a typical 200-watt panel would have 5 x 200 = 000 wH = .0 kWh per day, or 365 kWh annually. The tables above already take into account average cloudy days, and seasons. A typical size installation would have perhaps 6 of these panels, but it could be less, or much more.
Q:what do we mean by efficiency of a solar panel?
Photo-voltaic solar cells use the visible light range (photons) for the conversion of sun's rays to electrical energy. The potential of solar radiation is ,353 Watts per square meter, but that is mostly a measure of heat, or infrared radiation. The visible light is actually a small portion of the spectrum. You have struck on a problem associated with photo-voltaic cells. Infrared radiation acts to heat up p-v cells (heat stress), causing them to be much less efficient. It would be interesting to see a hybrid p-v panel that is cooled with fluid or air running through it. This would increase efficiency of the p-v process while providing a heating source. This in turn could be used directly for heating or for production of electricity through a generator system.
Q:Please differentiate b/w mono & poly crystalline silicon solar panels.?
how much does these pannels way and which are the most efficient?
Q:How Can I Reduce A Solar Panels Output To 3volts From 9volts?
By hitting #x2F;3 of it with rocks! See what I did there!
Q:solar panel in a grid tied system?
By an utility approved qualified individual. The utilities really hate it if their maintenance people working on the power lines gets electrocuted because some solar powered inverter didn't shut off when they shut the line off.
Q:Solar panel for your home?
The first thing to understand is that there is nothing complex about a solar panel. It is nothing more than a collection of solar or PV cells on a board that is fitted to the most appropriate part of your home, generally on the roof. There are guides out there that teach you how to build a solar panel and a windmill for just $50, and it’s very easy to make. Best of all, you can save 70% or more on your energy bill, adding up to thousands of dollars each year in savings. I reviewed both free guides and paid guides and have come up with our top to Build your own solar panels.
Q:How do you make a solar panel?
It's pretty basic, but I hope this helps!
Q:Does It really cost that much to Install solar panels?
It depends on the number and size of the panels. The minimum charge for a small bungalow would be at least $20,000 labor and material.
Q:What are solar cells made of?
image voltaic cells paintings for the period of the photoelectric effect. Incoming photons knock out electrons of the textile, which being a semiconductor helps a small ability distinction. close to to the sunlight, each and everything could be very severe (like a Van Halen gig), radiation, energetic ions, magnetic fields, the works. of direction, NASA project planners could take all those issues into consideration. i ask your self what textile maintains to be stable at 5800º ok (or perhaps it fairly is not needed), and captures all photons of all energies, to be one hundred% powerful. The link provided by making use of Snow Blossom is extremely thrilling. I do in simple terms no longer look waiting to study the secondary link Thermophotovoltaics. Edit: image voltaic Flares may well be a difficulty. they're by making use of and great unpredictable, upward push for hundreds of miles, achieving hundreds of thousands of Kelvin.
Q:Solar panel wiring, materials?
the solar panel should state it, you dont need a inverter to charge, only to use the power from the cell.you do need an amp regulator, so it tells if the battery is on full charge and so the sun doesnt over power the battery through the solar panel

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