Shenzhen Endless Power CO., LTD

Product name : Poly solar panel / module 290w
Product No. : 20162519735
Price : Get the latest
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  Details:

290W POLY SOLAR PANELS / SOLAR MODULES

  • 25 Years linear performance warranty.
  • 12 years warranty on power output not fall below 90%
  • 10 Years warranty on material and workmanship
  • 24 hour-response service
  • Enhanced design for easy installation and long-term reliability

 

Type Silicon Parameters

EP-P290W 

Poly crystalline silicon

Maximum Power

Watt

290W

Production Tolerance

 

+3% /-3%

Maximum Power voltage

V

35.9

Maximum Power current

A

8.08

Open circuit voltage

V

44.4

Short circuit current

A

8.64

Size of module (wide and high)

1956mmx992mmx40mm      

Frame (type, material and thickness)

Anodized Alu. Alloy frame,40mm thickness

Number of cells

72pcs

solar panel Weight per piece   Kg

23

Type of junction box

PV junction box

Cable type and length,

Connector type

PV cable, 0.8m

Plug and socket

Maximum system voltage

1000V

Temperature coefficient of Isc      

+0.05%/°C

Temperature coefficient of Voc

-0.34%/°C

Temperature coefficient of power

-0.5%/°C

Temperature coefficient of Im

+0.05%/°C

Temperature coefficient of Vm

-0.34%/°C

NOCT (Nominal operating cell temperature)

47°C(+2°C)

Impact Resistance Hail Impact Test

227g steel ball fall down from 1m height

CONVERSION EFFICIENCY

Cell CONVERSION EFFICIENCY >16%

Quality guarantee

5 years product warranty and 10 years -10% of power and 25 years -20% of power

 

 

Features of product  with cheap poly solar panel price

1. High cell efficiency with quality silicon materials for long term output stability 

2. Strictly quality control ensure the stability and reliability, totally 23 QC procedures

3. High transmittance low iron tempered glass with enhanced stiffness and impact resistance 

4. Both Polycrystalline and Monocrystalline 

5. Excellent performance in harsh weather 

6. Outstanding electrical performance under high temperature and low irradiance

 

 

Quality assurance testing

1.Thermal cycling test 

2. Thermal shock test 

3. Thermal/Freezing and high humidity cycling test 

4. Electrical isolation test 

5. Hail impact test 

6. Mechanical, wind and twist loading test 

7. Salt mist test 

8. Light and water-exposure test 

9. Moist carbon dioxide/sulphur dioxide

 


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