290W Solar Panels 230W-320W with High Efficiency Best Price

Ref Price:
Loading Port:
China main port
Payment Terms:
Min Order Qty:
1000 watt
Supply Capability:
100000 watt/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:


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



290W Solar Panels 230W-320W with High Efficiency Best Price

290W Solar Panels 230W-320W with High Efficiency Best Price

290W Solar Panels 230W-320W with High Efficiency Best Price

290W 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%


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Solar Panel Voltage Question?
The okorder.com/
Q:Who made solar panels?
Google would like to be your friend - Try - who invented solar panels and see what turns up.
Q:how are solar panels practical?
photograph voltaic panels are as powerful by means of fact the area helps. working example, I checked into photograph voltaic panels for my domicile in northern Indiana and found out that they are very ineffective right here by means of fact we've cloud conceal over 60% of the twelve months. regardless of the some temperture base if we've been in simple terms on the different fringe of Lake Michigan the comparable panels could be greater powerful. My analyze has shown that wind power is lots greater powerful. we attempt to get a zoning variance so as that we can deploy a windmill. in view that your venture is for eco-friendly, undergo in concepts that each and all of the timber used would desire to be bamboo, as that's the main sustainable timber source.
Q:how much money do solar panels cost?
Hi, One or two new windmills may not cost you as much I believe. Just my suggestion anyway.
Q:Can you lease your property for solar panels?
Hi, In the UK solar companies will fit them for nothing. The company gets the government allowance (called feed in tarrif FIT) and you get the benefit of the reduction in your power bills. The solar company make better money than the householder,BUT if the householder is in most of the day it could be most beneficial if the energy is used while the panels are generating, this means the householder is not paying for the power from the grid. If the householder works normally from 9 to 5 then there is less advantage in terms of getting free power from the panels. Best Wishes.
Q:Solar panel connected to battery ??
your solar panel has to be a bit higher in voltage than your battery to achieve charging. I.E . if your battery is 3.6 volts, your solar array voltage should be like 5.v. to make the charging take place. always a bit higher than your battery,. wattage is not so important, you can charge a whole slew of batteries with a .5 watt charger, it just takes a while. higher wattage will make it charge faster, tho. v. x a. =w.
Q:Solar panels single crystal and double crystal in the rain which is easy to use
From the cost of production, than the monocrystalline silicon solar cells to be cheaper, easy to manufacture materials, saving power consumption, the total cost of production is low, so get a lot of development. In addition, the polysilicon solar cell life than monocrystalline silicon solar cells shorter. From the performance and price ratio, monocrystalline silicon solar cells also slightly better.
Q:does vibration affect solar panels?
probably not much. If you had it at an optimal angle to the sun and it vibrated out of that position then you could be loosing some efficiency.
Q:what can i do with a calculator solar panel?
All stable suggestions, yet you like 2 AA cells to keep the skill from the image voltaic panel to coach at ineffective night. The calculator probable has 2 or 3 rechargeable button cells. I somewhat have chanced on that non rechargeable Energizer or Duracell alkaline AA cells artwork sensible in those exterior/exterior LED lighting fixtures furniture furniture, so as which you would be waiting to recharge between short heating classes with an incandescent or a LED a lot longer. it is going to take distinctive days to recharge a pair of rundown AA with one calculator panel, so as which you will desire to decide utilising 2 or extra beneficial panels (in sequence if the calculator in simple words has one button cellular). 2 photograph voltaic panels in sequence from exterior LED lighting fixtures furniture furniture, could desire to recharge your AA cells in some hours of staggering photograph voltaic. I somewhat have 2 exterior lighting fixtures furniture furniture I keep charged via putting them the incorrect way up (without the stake and, defuser globe) on appropriate of CFL bulbs, one in each and every of that's 0 watts = forty watt equivalent. Neil
Q:how to design a solar panel to store energy and convert it into electrical energy?
solar panels are designed to charge 2v batteries, now depending on the power you need you can determine what kind to use there are many power ratings for the modules, for example if you want to charge two 2v batteries you can connect them in parallel, if you want to reduce the charging time you can use more than one module in parallel to increase the power.

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range