Polycrystalline Silicon Solar Modules 72Cell-300W

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10000 watt
Supply Capability:
10000000 watt/month

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1. Structure of Polycrystalline Silicon Solar Modules 72Cell-300W Description

Solar panel refers either to a photovoltaics (PV) module, a solar hot water panel, or to a set of solar photovoltaics modules electrically

 connected and mounted on a supporting structure. A PV module is a packaged, connected assembly of solar cells. Solar panels can be

used as a component of a larger photovoltaic system to generate and supply electricity in commercial and residential applications. Each

module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 320 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, an inverter, and sometimes a battery and/or solar tracker and interconnection wiring.



2. Main Features of the Polycrystalline Silicon Solar Modules 72Cell-300W


- 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.


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

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.


3. Polycrystalline Silicon Solar Modules 72Cell-300W Images




4. Polycrystalline Silicon Solar Modules 72Cell-300W Specification

Electrical parameters at Standard Test Conditions (STC)

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





5. FAQ of Polycrystalline Silicon Solar Modules 72Cell-300W

Q1:Can we visit your factory?

A1:Sure,welcome at any time,seeing is believing.


Q2:Which payment terms can you accept?

A2:T/T,L/C,Moneygram,Paypal are available for us.


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Q:solar panel, dc light help?
No longer just any bulb will work on DC power. Any light bulb that's for 0voltage won't work on DC energy due to the fact that the element has too much resistance for a DC vigor provide to create ample heat to generate mild from the aspect. Nonetheless the do make mild bulbs that are designed to function on a DC energy supply and i might extremely recomend making use of the proper bulb with the proper vigour provide. Purchase some 2volt bulbs to be dependable......
Q:can i join multiple solar panels?
It sounds like you intend to put them all in parallel, since you mention blocking diodes. If the panels are all roughly the same voltage, that should work. Mismatched panels will also work, but there may be little to no contribution from the lowest voltage ones if they are severely mismatched.
Q:How are these flexible solar panels?
but it's very interesting and I wanted to ask you. In your case this is good solution, but I saw flexible panels in OKorder much cheaper than 250$. This is the price of standard solar panel 20w. Maybe your panels with better efficiency? I know that flexible panels are less than half efficient than regular panels, thats why you need twise more area to get the same output. What is your usage of this energy in this van? I know there are many ideas of solar cars, but if this solution is efficent enough today? Thanks!
Q:Solar panel technology?
Well, you'll want to find the wattage your devices use. Then you'll want to be able to supply that with your solar cells. Plus a fair margin for emergencies. Most of them should have their expected wattage printed on them, but you could also get a meter to measure it. Beyond that, you will want an inverter, and some batteries.
Q:Solar Panel Watts?? help!?
200 Watt Solar Panel
Q:Solar panel connected to battery ??
Try to disassembled a solar powered calculator inside there will be all the materials u need to your project. U can safe all the trouble to trying to find the correct match. After using try to put it back in if not possible it is just a broken calculator, at least u still have a successful science project.
Q:Solar panels?
Yes of course there are.powerful solar panels for camping can generate up to 60 watts of energy which would be enough to charge phones and keep the lights on for a night.you can also get small phone sized solar panels for charging mobiles and torches. Check out the list below----
Q:2v vs 24v solar panel?
The choice of solar panel voltage comes down more to what the panels will be connected to. You're right that power can remain the same at the different voltages. Higher input (panel) voltages are sometimes used in inverter systems to reduce the effect of voltage draw-down. 2v panels (about 20v open circuit) work well for charging 2v batteries, connected in parallel, through a charge controller. For use of a grid-tie inverter, higher input voltages are sometimes used to reduce the effects of draw-down. You want to select and wire (parallel vs. series) your panels based on the input voltage requirement of the load, whatever it may be.
Q:How do solar panels and their battery backup systems work?
Solar panels have their own characteristics and generate current depending on the intensity of sunlight falling on them and not on the temperature. Direction of the panel also makes lots of difference. Nowadays very thin panels are available at very high cost. The more area a panel occupies it generates more current. The current generated by a panel cannot be readily used since the current and voltage varies with the load connected to it. So normally a regulator is used to have constant voltage and constant current to come from the panel. This charges the battery. You have to calculate the total/normal current from the charger and then find the AH of the battery. When you have calculated the AH of the panel/charger then you can divide the AH of the battery by the AH of the charger/panel and find out the time taken to fully charge the battery. You also have to remember that there is a de-rating factor to be taken into consideration in the battery.
Q:anybody got any info on solar panels for energy savings?
. Solar panels are expensive. It will be a long time before you 'save' money. 2. My sister-in-law and her family have solar panels. The put them in about 7 years ago and are still recouping the costs. 3. I'm sure that there are web sites that can give you info on solar panels. Look them up for yourself. 4. I'd give you more answers, but my hamster-powered generator needs a potty break.

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