280W Solar Panels 230W-320W with High Efficiency Best Price

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China main port
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1000 watt
Supply Capability:
100000 watt/month

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A PV module is a packaged, connected assembly of typically 6×10 solar cells. Solar PV panels constitute the solar array of a photovoltaic system that generates and supplies solar electricity in commercial and residential applications. Each module is rated by its DC output power under standard test conditions, and typically ranges from 100 to 320 watts. The efficiency of a module determines the area of a module given the same rated output – an 8% efficient 230 watt module will have twice the area of a 16% efficient 230 watt module. There are a few solar panels available that are exceeding 19% efficiency. A single solar module can produce only a limited amount of power; most installations contain multiple modules. A photovoltaic system typically includes a panel or an array of solar modules, an inverter, and sometimes a battery and/or solar tracker and interconnection wiring.

1. 10 years limited product warranty

2. 15 years at 90% of the minimal rated power output

3. 25 years at 80% of the minimal rated power output



280W Solar Panels 230W-320W with High Efficiency Best Price

280W Solar Panels 230W-320W with High Efficiency Best Price

280W Solar Panels 230W-320W with High Efficiency Best Price

280W Solar Panels 230W-320W with High Efficiency Best Price



Poly 156*156 cell ,60pcs . Power range from   230Wp-260Wp

Maximum Power(W)








Optimum Power Voltage(Vmp)








Optimum Operatige Current(Imp)








Open Circuit Voltage(Voc)








Short Circuit Current(Isc)








Solar Cell:

156*156 Poly

Number of Cell(pcs)


Brand Name of Solar Cells

JA Cell, Bluesun Cell

Size of Module(mm)


Cable & Connector Type

Pass the TUV Certificate

Frame(Material Corners,etc.)


Back sheet


Weight Per Piece(KG)


FF (%)


Junction Box Type

Pass the TUV Certificate

Tolerance Wattage(e.g.+/-5%)

±3%, or 0-3%

Front Glass Thickness(mm)


Temperature Coefficients of Isc(%)


Temperature Coefficients of Voc(%)


Temperature Coefficients of Pm(%)


Temperature Coefficients of Im(%)


Temperature Coefficients of Vm(%)


Temperature Range

 -40°C to +85°C

Surface Maximum Load Capacity


Allowable Hail Load

23m/s ,7.53g

Bypass Diode Rating(A)



90% of 10 years, 80% of 25 years.

Standard Test Conditions

AM1.5   1000W/ 25 +/-2°C


 carton or pallet


14 Pallets / 316pcs


25 Pallets / 700pcs



Are you a trading company or manufacturer?

Manufacturer with factory

What kinds of    filter do you produce?

It covers for air filter,oil filter,fuel filter   for car and truck

Is Customized filter available?

Yes,please offer your required specifications and   drawing

Do you Accept OEM service?


what’s your delivery terms?


What's your Delivery Time?

1)generally the samples will be sent immediately   by the air express in 3-5    days if   the goods are in stock

 2)Normally   within 30 days,please confirm with us before order!

What's the Payment Terms?

Usually,30% as deposit,70% before shipment by T/T

Western Union acceptable for small amount.

 L/C   acceptable for large amount.

Scrow ,Paybal,Alipay are also ok

How you pack products?

Normally,plastic bag inside and carton outside   .We'll do according to customers' requirement

What's your available port of Shipment?

Normally, Tianjin Other ports available but you   should afford extra charges.

Trade and Market

Main Market Western European 20%
  Northern European 15%
  Asia 20%
  Americas 20%
  Domestic Market 15%
  Middle East 10%


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Remaining: 4000 characters

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Q:I have a question about solar panels?
Homemade okorder.com/
Q:Composition and function of solar panels
The demand for polysilicon is mainly from semiconductors and solar cells. According to the different requirements of purity, divided into electronic and solar level.
Q:Who made solar panels?
Google would like to be your friend - Try - who invented solar panels and see what turns up.
Q:Reasons for installing solar panels in a school?
You have to approach it as an investment. Ignoring the cost of an inverter for net metering, if we consider a 500 W panel installed for $0 a watt which is $5,000 and consider an average of 8 hours of usable sunlight per day, and at a rate of $0.0 per kWh (schools probably get $0.03 per kWh) then the panel would be saving $2.7 per month in electricity. Considering that the panel has an expected lifespan of 20 years, that would give you an internal rate of return such that the monthly rate satisfies the equation: $5,000 = $2.7 * ( ( - / R^24 ) / ( - / R ) - ) By binary method we get R = 0.99588342. Taking this to the 2th power to annualize it we get Ra = 0.9570 which means that we are getting an annual return of -4.83% per annum so investing in the solar panel is the same as making an investment at an interest rate of -4.83% per year. True interest rates are low and you only get about .3% per annum by putting money in a CD but that still beats investing in solar panels which gives you a negative return on your money. Solar panels need to get a lot better before they are a good investment.
Q:how many solar panels?
It depends on how many watts of electricity you wants..
Q:Solar panels in the Bay Area?
Solar works even if the sun can not be seen. Germany is using them and with success, even though they do not nave sun like Sacramento. Another option is to use solar concentrating collectors at malls, open fields... But we have to set them up to use the heat when the low BTU's will not turn the turbine. Hilltop is an example of a place to put this type of system. This is what I am working on.
Q:How much does it cost to put solar panels on a house? ?
There okorder.com/ Why pay thousands of dollars for solar energy ($27,000 average cost) when you can build your own solar panel system for just a fraction of the retail cost. You can build a single solar panel or you can build an entire array of panels to power your whole house. Some people are saving 50% on their power bill, some people are reducing their bill to nothing. But what’s most impressive is that just by following these instructions some are even making the power company pay them!
Q:When you get solar panels do you connect them to the grid?
You okorder.com/ as they provide very accurate free solar quotes and break down all the incentives you will be eligible to receive, your estimated annual savings, your payback period, projected IRR, and a cash flow analysis. They taught me everything I know about solar, and I must say they're a great starting point if you're curious about what solar energy is all about.
Q:Homemade Solar Panels?
The technologies of the photograph voltaic panels is a lot previous any DIY undertaking. you ought to purchase pre-assembled panels and set up them, yet you in addition to mght choose the units to make the DC they generate into the AC your place desires. additionally you will choose the batteries for the nights and the cases while the solar does not shine. photograph voltaic/ photograph voltaic technology does artwork yet isn't a miles less high priced thank you to decrease your reliance on the electrical powered grid as of this time. They fee 2 hands and a leg, and take some years yet to come back on the brink of wreck even on the electrical powered mark downs. Do a seek on the quantity of skill each and every panel will generate and then compute how lots skill you like and what the expenditures are. i think in photograph voltaic skill, yet no longer for somebody place of abode is it sensible. stable success.
Q:If I shine different color lights (bulbs) on a solar panel, will it affect the electricity output?

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