• 70w Poly Solar Panel Small Solar Panel Factory Directly Sale CNBM - Solar Panels Arizona System 1
  • 70w Poly Solar Panel Small Solar Panel Factory Directly Sale CNBM - Solar Panels Arizona System 2
70w Poly Solar Panel Small Solar Panel Factory Directly Sale CNBM - Solar Panels Arizona

70w Poly Solar Panel Small Solar Panel Factory Directly Sale CNBM - Solar Panels Arizona

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
10 set
Supply Capability:
300000 set/month

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Polycrystalline Solar Modules

CNBM offers a range of small, medium and large polycrystalline solar modules, designed for a range of requirements.

 

 

70W  Poly solar Panel Small Solar Panel Factory Directly Sale CNBM

70W  Poly solar Panel Small Solar Panel Factory Directly Sale CNBM

Specifications:

Tolerance

+/-3%

Cell

Polycrystalline silicon solar cells (156 x 156mm)

N0. of Cells

60 (10 x 6)

Dimension of Modules (mm)

1650 x 990 x 40

Weight (kg)

25.5

Limits:

Operating Temperature

-40~+85?

Storage Temperature

-40~+85?

Maximum System Voltage

1000 VDC max.

Hail Impact

Diameter of 28mm with impact speed 
of 86km/h

Temperature and Coefficients:

NOCT

48C+/-2?

Voltage temperature coefficient (%/K)

-0.35

Current temperature coefficient (%/K)

0.05

Power temperature coefficient (%/K)

-0.45

Characteristics:

Model:

SGM-200P

SGM-210P

SGM-220P

Max-power voltage Vmp (V)

29.2

29.4

29.41

Max-power current Imp (A)

6.85

7.14

7.48

Open-circuit voltage Voc (V)

36.5

36.69

36.9

Short-Circuit Current Isc (A)

7.28

7.6

7.93

Max-power Pm(W)

200

210

220

 

Model:

SGM-230P

Max-power voltage Vmp (V)

29.8

Max-power current Imp (A)

7.72

Open-circuit voltage Voc (V)

37.31

Short-Circuit Current Isc (A)

8.19

Max-power Pm(W)

230

STC: Irradiance 1000W/m2, module temperature 25?, AM-=1.5

Poly Crystalline Solar Panels Specifications Range

Maximum Power (Pm)

Dimension

Weight

Operating Voltage (Vmp)

Operating Current (Imp)

Open Circuit Voltage (Voc)

Short Circuit Current (Isc)

0.45W

140x80x10mm

0.08kg

3.3V

150mA

4.6V

160mA

1.0W

162x140x10mm

0.16kg

7.5V

150mA

10.3V

160mA

4.5W

269x251x23mm

0.8kg

16.5V

0.27A

20.5V

0.3A

10W

420.1×268.9×22.6mm

1.92kg

17.5V

0.58A

20.5V

0.6A

20W

425x502x50mm

3.0kg

16.8V

1.19A

21.0V

1.29A

30W

593x502x22.6mm

3.9kg

16.8V

1.78A

21.0V

1.94A

40W

655x537x50mm

5.75kg

17.3V

2.31A

22.1V

2.54A

50W

839x537x50mm

6.0kg

17.5V

2.9A

21.8V

3.17A

65W

1111x502x50mm

7.2kg

17.6V

3.69A

22.1V

3.99A

80W

1204x537x50mm

7.7kg

17.6V

4.55A

22.1V

4.8A

 

Q: Can solar panels be used for powering construction sites?
Yes, solar panels can be used to power construction sites. They can provide a sustainable and renewable source of energy, reducing reliance on traditional power sources and minimizing environmental impact. Solar panels can be installed on rooftops, scaffolding, or ground-mounted systems to generate electricity for various construction activities, including powering tools, lighting, and other equipment required on-site.
Q: Can I add more solar panel let say up to 200 watt and adding two 2 volts battery using the same charges controller and power inverter?
If you put a black panel on the ground or on your house and don't connect it to anything, it will absorb solar energy (heat) during daylight and release it at night (radiation). Not exactly. Assuming the black panel establishes an equilibrium temperature, it's going to be losing exactly as much heat as it's receiving during the day. Some will radiate out into space, some will conduct or convect into the atmosphere. As a wild guess, maybe 50/50. If you hook up a solar panel in the same place but hook it up to batteries, charge the batteries during sunlight hours and using that energy to electrically heat the home at night. The panels will absorb solar energy during the day but will convert that to electrical energy in the batteries instead of radiating it back into space at night. The panels are only about 4% efficient, so it's the same situation as the pure black panel for 86% of the energy. The remaining 4% will get stored in the batteries and then converted to heat at night. That heat will eventually leak out of the house and warm up the Earth a tiny bit. I think it's much the same situation either way. With the black panel the energy gets radiated / conducted/convected right away. With the solar panel a small percentage is stored and not so much is radiated, mostly conducted and convected. You're partly right as a black panel is going to radiate more into space than a house. But you're taking about maybe some day about 4% of % of the differening radiation/convection/conduction fraction, of the Earth's surface area. Probably not significant.
Q: How to make a simple solar panel?
Guide okorder /
Q: Can solar panels be used in areas with limited sunlight?
Yes, solar panels can still be used in areas with limited sunlight. While solar panels are most effective in areas with abundant sunlight, advancements in technology have made it possible to generate some amount of electricity even in areas with limited sunlight. Additionally, solar panels can still be viable in these areas if combined with energy storage solutions or connected to the grid, allowing for a more reliable and consistent electricity supply.
Q: What is the impact of roof material on solar panels' performance?
The choice of roof material can have a significant impact on the performance of solar panels. Certain materials, such as metal or asphalt shingles, are more conducive to efficient solar panel installation and operation. These materials provide a stable and sturdy base for mounting the panels, ensuring proper alignment and minimizing the risk of damage. Additionally, the reflectivity and heat absorption properties of the roof material can affect the overall efficiency of solar panels. Light-colored or reflective roofs can help reduce heat absorption, keeping the panels cooler and improving their performance. On the other hand, darker or less reflective roofs may lead to increased heat buildup, potentially reducing the efficiency of the panels. Ultimately, selecting a suitable roof material is crucial in maximizing the effectiveness of solar panels and optimizing their energy generation capabilities.
Q: How do solar panels impact the electricity bill?
Solar panels can significantly reduce or even eliminate electricity bills as they generate clean and renewable energy from the sun, reducing the reliance on traditional grid electricity. By harnessing solar power, homeowners and businesses can offset their electricity consumption and potentially earn credits by feeding excess electricity back into the grid. This can lead to substantial savings and a more sustainable energy future.
Q: Are you a Solar Panel Specialist/Genius/Enthusiast?
No, just an amateur. I guess that could be called an Enthusiast. I think most people find the topic somewhat interesting, some more than others. Why do you ask?
Q: what is solar panel? full description needed?
Solar energy begins with the sun. Solar panels (also known as PV panels) are used to convert light from the sun, which is composed of particles of energy called photons, into electricity that can be used to power electrical loads. Solar panels can be used for a wide variety of applications including remote power systems for cabins, telecommunications equipment, remote sensing, and of course for the production of electricity by residential and commercial solar electric systems. On this page, we will discuss the history, technology, and benefits of solar panels. We will learn how solar panels work, how they are made, how they create electricity, and where you can buy solar panels.
Q: Basically I need a custom solar panel created. I won't go into detail but the dimensions need to be around 4''x2.5'' and be as thin as possible.
There's no way that home built system that will generate enough power to run your home off the grid. That's all hogwash! No wind = no electricity generated. No sun = no electricity generated. I'm looking into a grid tie solar system. I'm still working out the math for my home. They are expensive ($20k - $50k) before tax credits, but they have been designed by engineers, not back yard, shade tree wanna-be engineers. They will put power into the grid during the day (making your meter run backwards) and you'll draw the power back at night (when there's no sun). This is perfectly legal. It must be installed by power company approved techs. That's how power companies are going to meet their green energy mandates for the future. You'll generate power for the power company and get paid wholesale prices for it (during the day). But you'll buy it back at retail (at night)
Q: So, assuming that a solar panel is flush with the ground (i.e. only the photovoltaic side is visible, the other sides are covered by dirt,) what would happen if it was run over by a car? How about an SUV? Would it break?Would the solar panel still generate electricity?
it would ruin and it ought to nevertheless do power yet no longer plenty yet maximum possibly there may well be no power and plus why might somebody placed a photo voltaic panel on the line? that should in basic terms be stupid.

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