400 Watt Solar Polycrystalline Panels (25w-35w)
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- Loading Port:
- Shanghai
- Payment Terms:
- TT
- Min Order Qty:
- 1 watt
- Supply Capability:
- 100000/month watt/month
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Solar Polycrystalline Panels (25W-35W)
Introduction of Solar Polycrystalline Panels (25W-35W)
Solar polycrystalline panels is designed for large electrical power requirements. It is the optimal choice for both on-grid and off-grid power systems. CNBM Solar panel offers high performance of power per square foot of solar array.Poly- or multicrystalline silicon(poly-Si or mc-Si): made from cast square ingots — large blocks of molten silicon carefully cooled and solidified. Poly-Si cells are less expensive to produce than single crystal silicon cells, but are less efficient. US DOE data shows that there were a higher number of multicrystalline sales than monocrystalline silicon sales.
Characteristics of Solar Polycrystalline Panels (25W-35W)
I Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.
II Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.
III EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.
IV AI frame: Without screw, corner connection. 6 holes on the frame can be installed easily.
V Junction box: Multi function junction box with water proof.
VI Long lifetime: ≥25 years; Less power decrease.
VII Good performance of preventing from atrocious weather such as wind and hails.
VIII Resisting moisture and etching effectively, not effected by geology. .
Standard Test Conditions of Solar Polycrystalline Panels (25W-35W)
The opto-electrical specifications shown below are stabilized values being measured at Standard Test Conditions of multicrystalline silicon Solar Panel, Irradiance: 1000W/m2, Spectrum: AM1.5 at 25°C, The info below is subject to manufacturing tolerances. Where appropriate minutes of measurement are available and are used for the dimensioning of the installation.
Advantages of Solar Polycrystalline Panels (25W-35W)
• CNBM Solar performance guarantees for 25 years
• 2 years guarantee for workmanship for multicrystalline silicon Solar Panel
• Timeliness of delivery
CNBM International Corporation's products including Monocrystalline Solar Panel, Polycrystalline Solar Panel ( multicrystalline silicon Solar Panel) have received and enjoyed famous reputation in many countries and regions in the world .As a solar panel manufacturer in China, we strive to provide our customers with excellent service, superior products and unmatched value.
Characteristics of Solar Polycrystalline Panels (25W-35W)
Max Power Voltage Vmp (V) | 18.4V | 18.4V | 18.0V |
Max Power Current Imp (A) | 1.36A | 1.63A | 1.94A |
Open Circuit Voltage Voc (V) | 23.0V | 23.0V | 22.6V |
Short Circuit Current Isc (A) | 1.46A | 1.74A | 2.08A |
Max Power Pm (W) | 25W | 30W | 35W |
Temperature Coefficient of Cells
NOCT | 47℃±2℃ |
Temperature Coefficients of Isc (%/℃) | 0.064 |
Temperature Coefficients of Voc (%/℃) | -0.33 |
Temperature Coefficients of Pmp (%/℃) | -0.45 |
The dimension of the modules can be changed according to the demand of clients
Limits
Operating Temperature | –40 °C to +85°C |
Storage Temperature | –40 °C to +85°C |
Max System Voltage | 700V |
Guarantee of Solar Polycrystalline Panels (25W-35W)
Products Guarantee | 2 yrs free from defects in materials and workmanship |
Performance Guarantee | No less than 90% within 10yrs and no less than 80% within 20yrs |
Certificates | IEC, ISO, TUV, CE |
The Equipment of Solar Polycrystalline Panels (25W-35W)
The usage of Solar Polycrystalline Panels
- Q: Are solar panels safe?
- Yes, solar panels are safe. They are designed and installed to meet strict safety standards. They do not produce any emissions, and the risks associated with solar panels are extremely low. However, it is important to ensure proper installation and maintenance to maximize safety.
- Q: who has solar panels on their home and are they worth it
- Of okorder
- Q: We have LED at the output of 40 watts and is used for 0 hours giving us 400 Watts-hr of energy consumed.Rechargable batteries needed are 2 V. 400/2 gives us 34 Ampere-hour battery needed. If we want it for 3 days, It would be 34x3=00 Ah. So the battery needed 00 AhNow how do I select the solar panel which can charge this/these batteries? What should be its rating?
- Be aware that you cannot discharge the full capacity of a lead-acid battery without destroying the battery. With a normal battery of this type, you would only want to discharge about 20%, so you would need a 70 AH battery bank. For the 3-day requirement, 500 AH. This is still within reason. If you didn't have the 3-day requirement, you might consider going with NiMH batteries. Back to the 500 AH bank, you would usually charge at at least 5% C, or 25 amps. At the 5 volts that you need for charging, this is 375 watts. Possibly you could go as low as 200 watts.
- Q: I hooked up a 2V solar panel to a small relay. The relay switches at 9V. When I have light shining on the panel it puts out aorund 3-4V, but when I hook it up directly to the relay it drops to V and doesn't switch the relay. Why? and How do I fix it?-2V Mono-Crystalline Solar Panel -JWD 7 4 reed relay
- I suspect the voltage is OK but the amount of current the solar cell is capable of delivering is less than the relay coil needs to operate. The current the relay tries to draw overloads the PV. You need to add additional PVs in parallel to operated the relay coil. An alternative is to use a low current draw relay coil or use a transistor switch. Hope this helps, NewtonLaw
- Q: what do solar panels do?
- Solar panels (arrays of photvoltaic cells) make use of renewable energy from the sun, and are a clean and environmentally sound means of collecting solar energy. Here at solar panel information, we've amassed a wealth of information relating to solar panels and the field of photovoltaic technology. You can learn how solar panels work, how they are manufactured, where to buy them, and how to set them up. If you are looking for information on solar panels and don't know where to start, check out our solar panels section to learn more about how these photovoltaic cells are derived from silicon and what solar energy means to you.
- Q: Was looking at 0w solar panel kit. Does this mean, all I can use is something like a 0W CFL light bulb and nothing else?
- Graham is on the right track. However, you need to factor in a 80% DC to AC conversion loss. But yes a 0W CFL is about the size of it... Harbor Freight sells a system consisting of panels, battery, inverter, and TWO CFL's for $250. (You can power 2 CFL's off the grid for a very long time for $250)
- Q: Does San Francisco get enough sunshine to really make solar panels a viable option for creating a self-supporting home? Certainly a wind turbine would be a good source of energy, but what about solar panels? Does S.F. get enough sunshine to justify using solar panels? It's overcast a lot in the Bay Area, are there any solar panels better than others for a climate like this?
- Yes, San Francisco gets enough sunshine. That will vary depending on your site location, some are better than others. The best way to find out how much electricity your specific location can generate is to get a quote from a solar company. I am in the process of getting PV's installed on my home in the Sacto area and got quotes from 3 companies. My home is in a good, not optimal possition and depending on where on the roof I place the panels my efficiency will vary. Also depending on the brand of panels, some will take less square footage on the roof to produce the same amount of electricity. The price on all 3 were very close to each other. All 3 companies I dealt with gave a no cost/no obligation quote, and they were are very knowledgeable about the specific utility rebates I would be eligable for. I say it is well worth the time to check it out. My system should be going onto my roof in just a few more weeks. I was able to get nearly 50% of my cost refunded by my utitlity, plus my federal tax rebate. My system should be paid for in about 6 years.
- Q: i'm making a small solar panel powered fan but it cant run the cellphone vibration motor even i have place two x2 solar panel.
- Did okorder / . Possibly this could immediately instruct each and every one!
- Q: name things someone could use solar panels for or make with solar panels? (use solar energy i mean?)
- Solar panels are primarily used to make electricity. What you choose to do with this power is up to you. New solar technology now looks to give the panels more than this one task. For example; - solar panels made into the shape of roof tiles can also be used for roofing. - thin film solar is being developed to add to cars and other mobile devices to provide portable DIY energy
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400 Watt Solar Polycrystalline Panels (25w-35w)
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT
- Min Order Qty:
- 1 watt
- Supply Capability:
- 100000/month watt/month
OKorder Service Pledge
OKorder Financial Service
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