• Polycrystalline  Solar Panels 45W With High Efficiency System 1
  • Polycrystalline  Solar Panels 45W With High Efficiency System 2
Polycrystalline  Solar Panels 45W With High Efficiency

Polycrystalline Solar Panels 45W With High Efficiency

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
100 watt
Supply Capability:
1000000 watt/month

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Specification

Material:
Polycrystalline Silicon
Max. Power(W):
45
Number of Cells(pieces):
10

Introduction of  Poly solar panels CNBM

Polycrystalline  Solar Panels 45W With High Efficiency

CNBM Solar photovoltaic (PV) Panel 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. Monocrystalline silicon(c-Si): often made using the Czochralski process. Single-crystal wafer cells tend to be expensive, and because they are cut from cylindrical ingots, do not completely cover a square solar cell module without a substantial waste of refined silicon. Hence most c-Si panels have uncovered gaps at the four corners of the cells.

 Polycrystalline  Solar Panels 45W With High Efficiency

Feature

1.Solar Cell : High efficiency crystalline solar cell. Even if under the weak light, the solar module can produce maximum power output.

2.Tempered glass (toughened glass): Anti-reflecting coating and high transmission rate glass increase the power output and mechanical strength of solar module.

3.EVA and TPT: Using high quality EVA and TPT to prevent destroying and water.

4.Long lifetime: ≥25 years; Less power decrease.

5.Resisting moisture and etching effectively, not effected by geology.

6.The certificate issued by international authority: UL, TUV, IEC, VDE, CE.

 

Main Solar Panel Specification

Characteristics of  Poly solar panels CNBM

Max Power Voltage Vmp(V) 

30.3

30.8

31.1

31.4

31.85

Max Power Current Imp(A)

7.60

7.64

7.73

7.81

7.85

Open Circuit Voltage Voc(V)

36.1

36.6

37

37.3

37.68

Short Circuit Current Isc(A)

8.50

8.55

8.65

8.75

8.85

Max Power Pm(W)

230W

235W

240W

245W

250W

 

Temperature Coefficient of Cells Poly solar panels CNBM

NOCT 

45 ± 2

Temperature Coeffucients of Isc (%/)

 0.0492

Temperature Coeffucients of Voc (%/)

-0.3374

Temperature Coeffucients of Voc (%/)

-0.4677

 

Mechanical Data of Poly solar panels CNBM

Dimension 

1638 ×  982 × 40 mm

Weight

19.5 kg

No. of Cells and Connections

60 (6 ×10)

Tolerance

0 ~ + 5 W

Cell

Monocrystalline Cell 156 × 156 mm

Packing

624 Pcs/40ft(H) Container

 

Limits of Poly solar panels CNBM

Operating Temperature

-40 to +85

Storage Temperature

-40 to +85

Max System Voltage 

1000VDC(IEC) / 600VDC(UL)

 

Guarantees of Poly solar panels CNBM

Products Guarantee

12 yrs free from defects in materials and workmanship

Performance Guarantee

No less than 90% within 10yrs and no less than 80% within 25yrs

Certificates 

TUV(IEC61215&IEC61730),VDE(IEC61215&IEC61730),UL,CE

 

Packaging Information

Package:26pcs/box

Quantity:1 box/pallent

Loading Capacity:952pcs/40ft

Q: we are trying to reduce a solar panel from 9 volts to 3 volts. What do we need to make this work...
By hitting #x2F;3 of it with rocks! See what I did there!
Q: i have a small solar panel,the ones from a garden lamp that turns on at night-i think.what i was wondering is can i just connect the solar panel to a capacitor and then a light just to test?or do i need something to convert the solar energy to usable energy?and how do i tell if a capacitor is broken?
Most solar panels convert the energy collect from the sun directly into usable DC current. So no, you do not need a capacitor to test a light if you are in sunlight. You will need a capacitor or rechargeable battery if you plan on testing the solar panel away from a light source after the capacitor or battery has charged. Solar panels cannot store electricity.
Q: im aware i dont fully understand. but with what i do. if P = iv, and current changes with voltage, whats the point of changing either. if in any cicumstance, you end up with the same wattage, how does changing either effect a solar setup. (2v panel vs 24v)thanks in advance. explain in laymans if you can.
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: I want to know how to hook up a Solartech SPM020P-R, 20W Solar Panel to a single outlet that you can but at a store.
That panel you reference puts out about 20W. @ 8V of DC. You can't wire that to a standard 20V outlet without a battery/inverter unit. Even then, you don't get a useful amount of power. In a full day you would collect enough energy to run a small TV for about an hour.
Q: Can solar panels power an electric car?
Yes, solar panels can indeed power an electric car. By converting sunlight into electricity, solar panels can charge the car's battery, allowing it to run solely on solar energy. This combination of solar power and electric vehicles promotes sustainable transportation and reduces reliance on fossil fuels.
Q: Can solar panels be installed on a remote island or location?
Yes, solar panels can be installed on a remote island or location. Solar panels are a flexible and sustainable energy solution that can function independently of the grid, making them suitable for remote areas. They can generate electricity by harnessing sunlight, which is abundant in most locations, including islands. Additionally, advancements in solar technology have made it possible to install panels in challenging environments, such as extreme temperatures or harsh weather conditions.
Q: I need to know what the main components of a solar water heater and how they functionThanks if you answer x
The basic components in home solar heating systems include: Collectors to take the heat from the sun and pass it to a fluid The heat transfer fluid which takes the heat from the collector for use or storage Heat exchangers to transfer the heat from the fluid to a home’s domestic water. Pumps to move the fluid through the collector and/or the exchanger, and sometimes to move the domestic water through the other side of the exchanger. Controllers to run the pumps when there is collector heat available.
Q: What is the impact of bird droppings on solar panels?
Bird droppings can have a negative impact on solar panels as they can reduce the efficiency of the panels by blocking sunlight and reducing the amount of energy they can generate. Additionally, the acidic nature of the droppings can potentially damage the surface of the panels over time if not cleaned properly. Regular cleaning and maintenance are necessary to ensure optimal performance and longevity of solar panels in areas where bird droppings are prevalent.
Q: Can solar panels be installed on a building with historical significance?
Yes, solar panels can be installed on a building with historical significance. However, it is important to consider the preservation of the building's architectural integrity. Careful planning and design are necessary to ensure that the installation of solar panels does not compromise the historical value of the building.
Q: Mitsubishi Solar Panels For Home Installation: How Much Do The Panels Cost?
Mitsubishi solar panels are sold in pairs. I was in the market this week, checking on solar panels to install in my own house / workshop. Here's the price list I got from online and wholesale dealers for a pair of Mitsubishi panels: * Model MF20EC4 (20 watts) -- $590 * Model MF25UE5N (25 watts) -- $60 * Model MF75MF5 (75 watts) -- $799 * Model MF80UD4 (80 watts) -- $820 * Model MF85UD5 (85 watts) -- $850 BP Solar, PowerUp Solar GE Solar too have their own panels with a low-to-high price range. Go for BP solar panels as they're more affordable for home installation and good value for money.

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