High efficiency Polycrystalline 300w 310w 320w solar panel

  • 1 - 999 Watts
  • 1000 - 9999 Watts
  • >=10000 Watts
Polycrystalline Silicon
Max. Power:
310W 300W 290W 260W 260W 150W 140W 100W
Number of Cells:
Lead Time:
Quantity(Watts) 1 - 1000 >1000
Est. Time(days) 5 Negotiable
Customized logo (Min. Order: 100 Watts)
Customized packaging (Min. Order: 100 Watts)


Graphic customization (Min. Order: 100 Watts) Less
$110.00 /Watt | 1 Watt (Min. Order) | Buy Samples
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Quick Details
Place of Origin:
Guangdong, China
Brand Name:
Model Number:
poly 310w
Product name:
Poly Solar Panel
Solar cell:
Poly 156*156 Cell
Polyocrystalline Silicon
Solar Power System
Junction Box:
IP65 Rated
10 Years
Anodized Aluminium Alloy
320w Poly Solar Panel
Frame Color:
Color Silvery
Standard Solar Panel
Packaging & Delivery
Lead Time :
Quantity(Watts) 1 - 1000 >1000
Est. Time(days) 5 To be negotiated
Video Description

High efficiency Polycrystalline 300w 310w 320w solar panel

Best Price & High Quality 5W 10W 15W 20W 30W 40W 45W 50w 80w 100w 120w 150w 180w 200w 250W 300W 310W Poly Mono Solar Panels From Shenzhen & Dongguan Factory.
we are the solar panel manufacturer

We are the solar panel system manufacturer

We have over 20 years experiences in the solar field,we are professional!

We own 4 factories which product solar panel,led,solar power system,cost effective!

we can produce customized Solar system according to different customer's requirement, Our Company Annual Capacity is more than 100000 sets.

More product information,welcome to contact us.

1.Bypass diode minimizes the power drop by shade.
2.The conversion efficiency of solar panel is about 18%.

3.Adapt the severest enviromental conditions

4. Waterproof. Perfect for grid applications and off-grid applications.

5.Our solar panel enjoys a good reputation in Southeast Asia, Middle East, Africa,and Australia, such as India,Janpan,Pakistan,Nigeria,Dubai,Panama and so on.

Operating Temperature:-40°C to +80°C

Standard Test Conditions: Irradiance of 1000W per sq.m., Am=1.5 and 25+/-2°C cell temperature

Product Description


SAKO 310W/36V Poly Crystalline Solar Panel
Model No.     SMP-310W-72
Price TermFOB Shenzhen based on the order amount USD 10000 or above, otherwise the Price term is EXW
WarrantyWithin 10 year, the output power is not less than 90.20% of the minium peak power shown in STC list.                                                Within 25 years, the output power is not less than 78.60% of the minium peak power shown in STC list.
Electrical performance parameter(STC)The Rated Peak power (Pmax)310W
The Rated voltage(Vmp)36 V
The Rated current (Imp)8.53 A
Open circuit voltage(Voc)45.6 V
Short-circuit current (Isc)8.99 A
Module  efficiency  16.0%
Tolerance (%)0/+5
Standard test conditionsStandard test condition (STC) : solar radiation flux 1000W/m2, atmospheric parameter 1.5, module temperature 25℃.25℃ 1000W
Temperature characteristicTemperature Range-40~85 °C
Peak power Temperature area(Voc)-0.42 %/°C
Open voltage Temperature area Voc(Voc)-0.32 %/°C
Short-circuit current  Temperature  Isc(Isc)0.05 %/°C
System integration parametersMaximum system voltage1000 V
Maximum reverse current15 A
Fuse current rating15 A
Physical parametersSolar module size(mm)1960x990x40 mm (Length*Width*Thickness)
Weight25.5 kg
Cell type(Mono/poly)Poly Crystalline Solar Panel
 Cell size156×156 mm
 Cell QTY72
Glass Typegolden shield tempered low iron solar glass
Thickness of glass4 mm
Frame 50mm  Aluminum frame
Junction boxInternational Standard junction box,IP 65
Connector typeMC4
 PV Cable 4 mm2 * 900 mm cable with MC4 connector
Cetificates and standardsCE(Already)/TUV(planning),                                                                                      EN 61215:2005
EN 61730-1:2007+A1:2013+A11:2014
EN 61730-2: 2007+ A1:2015
IEC 61215:2005
IEC 61730-1:2007+A1:2013+A2:2014
IEC 61730-2: 2007+ A1:2015


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Q1.May I visit your factory?

A1.Yes,welcome to visit our factory.Please inform us,we will show you the way to our factory


Q2.Can I be agent in our country?

A2Yes,please contact our sales staff for the details.


Q3.What is the delivery time of solar panel

A3Sample in 7 days,bulk order in 30 days.


Q4.Could you print our logo on product and package

A4.Yes,we can do that.

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