• 70W Poly solar Panel Mini Solar Panel Newest Solar Panel CNBM System 1
  • 70W Poly solar Panel Mini Solar Panel Newest Solar Panel CNBM System 2
70W Poly solar Panel Mini Solar Panel Newest Solar Panel CNBM

70W Poly solar Panel Mini Solar Panel Newest Solar Panel CNBM

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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 Mini Solar Panel Newest Solar Panel CNBM

70W Poly solar Panel Mini Solar Panel Newest Solar Panel CNBM

 

Specifications:

 

 

+/-3%

Polycrystalline silicon solar cells (156 x 156mm)

60 (10 x 6)

1650 x 990 x 40

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:How do solar panels affect the property's energy independence?
Solar panels can greatly enhance a property's energy independence by generating electricity from sunlight, thus reducing reliance on traditional energy sources. This allows homeowners or businesses to generate their own clean and renewable energy, potentially offsetting or even eliminating their need for grid electricity.
Q:Can we cover up solar panels on our house with regular siding?
Finding okorder /
Q:I have two solar panels that were going to be trashed at work. I want to use them to charge batteries on my RV but i noticed they put out around 20 volts in direct sunlight. So i am wondering: -isn't this way too much voltage for a 2 volt system? -do a need some sort of a regulator connected to keep them from overcharging?
20 volts is a common open-circuit voltage for nominal 2v panels. The panels put out about 5v at full load. If the panel puts out little enough that it takes 20 hours or more to put a full charge in the battery you can get by without a charge controller - just keep the cells topped up with distilled water. A charge controller will do a more efficient job, though. The most efficient charge controllers use what's called Maximum Power Point Technology (MPPT) which lets the panels operate at their most efficient point throughout the battery's charging cycle. Available on OKorder. The charge controller should have the same or higher wattage as the panels it controls - if you're not sure of wattage, assume that they are the same as similar area panels you find for sale. Before buying a charge controller, connect the panels through an ammeter to a discharged battery. They may have been trashed because of damage and low output. You need at least an amp for trickle charge, 5 amps for reasonable recharge times.
Q:Are solar panels easy to maintain?
Yes, solar panels are relatively easy to maintain. They require minimal upkeep, with regular cleaning to remove dust and debris for optimal efficiency. Additionally, occasional inspections to check for any damage or shading issues may be necessary. Overall, the maintenance requirements for solar panels are straightforward and manageable.
Q:How do solar panels affect the property's energy efficiency rating?
Solar panels have a positive impact on a property's energy efficiency rating by generating clean, renewable energy. By harnessing sunlight and converting it into electricity, solar panels reduce the reliance on traditional energy sources, leading to lower energy consumption and costs. This increased energy efficiency contributes to a higher rating for the property.
Q:Can someone explain to me how solar panels can be used as modern architectural attributes? please help
They aren't considered attributes - electrical solar panels are expanses of gray and aluminum covered with glass and water heating panels are expanses of black covered with glass. To cover the cost of investment they must be mounted at the best angle for the location and climate throughout the year and therefore may dictate the form of the roof (if sloped as on residences) or may not be visible in an architectural sense (if positioned on a flat roof of a commercial building.) No matter where placed, provision has to be made for safely accessing them for repair and maintenance.
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?
PV Solar panels all work the same. There aren't any climate specific ones. There is enough sun in San Francisco to produce energy using solar panels however, the the same panels located in a sunnier area will produce more energy. Depending on the size of your system, you will probably need a few more panels than an area that receives more sun to produce the same amount of energy. But they will still produce energy, even on overcast days. The solar installers will make all the calculations to determine what size system you will need to produce as much energy as you want. In California, you don't want to produce more than you consume in a 2 month period because currently, you are not able to sell your excess credits back to PGE after your 2 month cycle. Your system will cost more to produce the same amount of power than my system because I have less overcast days than you do. You will have to make the decision if the cost is worth your while. I expect my system to be totally paid for in around 8-9 years, working in the cost of inflation for electricity. After that, I will be paying nothing for electricty for as long as I stay in my house.
Q:Can solar panels be used for powering a water treatment plant?
Yes, solar panels can be used to power a water treatment plant. Solar energy can be converted into electricity to run the necessary equipment and processes involved in treating water, making it a sustainable and environmentally friendly option for powering such facilities.
Q:Is it good? ( solar energy)
Solar power works by capturing photons from the sun and storing their energy in a battery. Solar panels still only capture a very small amount of photons due to technology/distance from the sun/ and probably a number of other reasons. If you wanted to buy a solar panel, you find a company that sells them, send them your electric bill for the past year or so. They calculate the energy restraints, size and additional technical mumbo jumbo. They tell you how much it costs and how much money you could save. Some people might buy a size larger than what they need, in which case they sell the excess energy to your local power company for a few pennies a month(this is usually not very profitable).
Q:Can solar panels be installed on tile roofs?
Yes, solar panels can be installed on tile roofs. However, the installation process may require additional precautions and expertise to ensure the integrity of the roof.

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