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260W-280W Solar Panel Purchase from China Manufacturer

260W-280W Solar Panel Purchase from China Manufacturer

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
2500 watt
Supply Capability:
10000000 watt/month

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Item specifice

Material:
Polycrystalline Silicon
Max. Power(W):
280
Number of Cells(pieces):
72

Solar Module Summarize

Solar Module is the core part of solar PV power systems, also is the highest value part of it. The function of Solar Module is to convert the sun's radiation to electrical energy, or transfer it to battery and store in it, or to drive the load running.
The Product has been widely used in space and ground, it mainly used for power generation systems, charging systems, road lighting and traffic signs areas. It could offer
a wide range of power and voltage, and with high conversion efficiency, and long service life.

Technical Parameter:

Model Type

Good   Quality 185W Solar Panel

Peak Power-Pmax(W)

185W

Open Circuit Voltage-Voc(V)

44.2

Maximum Power Voltage-Vmp(V)

36

Short Circuit Current-Isc(A)

5.4

Maximum Power  Current-Imp(A) 

5

Maximum System Voltage

1000V DC

Maximum Series Fuse Rating

10A

Power Tolerance

 -1~+3%

Temperature Coefficients of Pmax

 -0.45%/

Temperature Coefficients of Voc

 -0.348%/

Temperature Coefficients of Isc

0.031%/

Nominal Operating Cell Temperature

44.5±2

Standard Testing Condition(STC)

Irradiance:1000W/m²;Temperature:25;AM=1.5

Qualification Test Parameters


Operating Temperature

 -40~+85

Storage Temperature

 -40~+85

Pressure Bearing

≥5400Pascal/m²

Wind Bearing

≥5400Pascal/m²

Mechanical Characteristics


Cell Size

Mono 125*125mm±0.5

No.of Cells

72pcs(6*12)

Dimension

1580*808*40mm

Weight

15.5Kg

Glass

3.2mm High Transmission,Low Iron

Frame

Anodized Aluminum Alloy

Junction Box

IP65Rated

Internal Diodes

3 Bypass Diodes

Cable

1*4.0mm² Length 900mm

Production Flow : 

260W-280W Solar Panel Purchase from China Manufacturer

Product Show:

260W-280W Solar Panel Purchase from China Manufacturer

260W-280W Solar Panel Purchase from China Manufacturer

260W-280W Solar Panel Purchase from China Manufacturer

Warranty

Good Quality 185W Solar Panel Manufacture from China

For c-Si panel: 25years output warranty for no less than 80% of performance, 10 years output warranty for no less than  90% of performance. Free from material and workmanship defects within 5 years.

For a-Si panel: 20 years output warranty for no less than 80% of performance, 10 years output warranty for no less than 90% of performance. Free from material and workmanship defects within 2 years.

Q:How do solar panels affect the property's energy management strategy?
Solar panels can significantly impact a property's energy management strategy by providing a renewable and sustainable source of electricity. By harnessing solar energy, the property can reduce its dependence on traditional power sources, lower energy costs, and decrease its carbon footprint. Solar panels can also help to stabilize energy prices, as they generate electricity during peak demand periods, reducing the need to purchase electricity from the grid. Additionally, solar panels can provide a reliable source of backup power during grid outages, enhancing the property's energy resilience. Overall, solar panels offer numerous advantages to a property's energy management strategy, promoting sustainability, cost savings, and energy independence.
Q:I need to use solar panels to charge lead acid batteries in an off-grid application. I understand that solar panels have a open circuit maximum voltage and an maximum amperage under no resistance, and that one can optimize the power output by regulating the load (resistance). If so, is just connecting 2 -volt solar panels to a lead-acid battery inefficient? Are there devices that will maximize 2 volt output power (by varying the resistance)? Am I on the right track here? Thanks for any help.
The answer is actually quite complicated, but if you're planning on building just a very small system, most likely, the panel will be small and weak. In this case, connecting a panel that is 8 volts open circuit directly to a lead-acid battery is probably the most efficient way to charge. There are charge controllers that you can buy, some of which actively track the maximum power point for charging your battery. Unfortunately, those controllers might eat 5 or 0 watts, just to get you another few percent of charging efficiency. If your panel is only 50 watts in the first place, you can see that this is not a good deal. If you're getting serious panels (clue: price $500 each), then you may very well benefit from a charge controller with MPPT (max power point tracking). Lead-acid, either a flooded cell like your car battery, or AGM, are the standard for solar energy storage. Lithium ion is better in many ways, being less sensitive to temperature, state of discharge, and they are also lighter. Charging them is also more straightforward with the right circuitry. The problem is, they cost like $500 per kWh, compared with less than a tenth that price for lead-acid.
Q:With no moving parts, no fuel piping and so on...
Homemade okorder /
Q:I am looking to wire in some solar panels into my home. I already have plenty of wiring, and some solar panels around. I just need to know what I need to do to wire them into my home so I can lower my electric bill. This past month it was six hundred dollars.Can someone direct me to some information, or tell me how without telling me to hire some guy to come out to charge me thirty thousand dollars to install two or three thousand dollars worth of equipment?
The essentials are to connect the panels in a configuration that matches the inverter. My system has twenty 24 volt panels in series, to an inverter that wants to see 480. They could have been in any series-parallel configuration to match an inverter that used different voltage. I chose the high voltage route to reduce IR losses in the connections. The proper inverter is essential on grid connected systems. It must be able to disconnect from the grid if grid power fails, and to come back on line automatically, and in phase. There has to be a fused disconnect between the panels and the inverter. When connecting to the grid, another fused disconnect is required. My power company was very specific about acceptable switches. Just using a good brand doesn't hack it. Lots of good info on solar panels in the green search box above on this page.
Q:How do solar panels interact with the electrical grid?
Solar panels interact with the electrical grid through a process called net metering. When solar panels generate excess electricity, it is fed back into the grid, allowing homeowners or businesses to receive credits for the energy produced. During periods of low solar production, such as at night, electricity is drawn from the grid. This bidirectional flow of electricity enables solar panel owners to offset their energy consumption and contribute to the overall grid supply.
Q:Can solar panels be installed on swimming pools?
Yes, solar panels can be installed on swimming pools. These panels can help heat the pool water using solar energy, reducing the need for traditional heating methods and lowering energy costs.
Q:Can I add reflectors or mirrors around the solar panels to increase the power they generate?
You could (an example of concentrating sunlight is called cloud gain, where the edge of a cloud will intensify sunlight as it passes between the sun and your panels), but that will make your panels run hotter and will probably reduce their life. It's better from a system design standpoint to simply get another panel or two. DK
Q:Are there government incentives for installing solar panels?
Yes, many governments provide incentives for installing solar panels. These incentives can include tax credits, grants, rebates, and low-interest loans to encourage individuals and businesses to adopt solar energy.
Q:Do I need some type of regulator when the batteries are fully charged.?? The Arco Panels voltage is approx 7VDC at 2.5 amps, Should I limited the voltage to 4VDC???. I would like to connect both panels to up to five batteries at one time...???
This Site Might Help You. RE: I have two ARCO M55 solar panels. What do I need to connect to a 2Volt bank of batteries.? Do I need some type of regulator when the batteries are fully charged.? The Arco Panels voltage is approx 7VDC at 2.5 amps, Should I limited the voltage to 4VDC??. I would like to connect both panels to up to five batteries at one time...??
Q:In some countries where electric generation is low, they are not available easily.
Supply and demand, my friend.

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