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LONGi ROOF 290-300

LONGi Solar Technology Co., Ltd.
Type: Monocrystalline
Power Range: Wp
Region: China China
Contact Manufacturer
Product is no longer manufactured.

Alternative Product

From €0.108 / Wp
  • Cell Type: TOPCon
  • Dimensions: 2278x1133x30 mm
  • Weight: 31 kg
  • Cell Size: 182×182 mm
  • Glass Thickness: 2 mm

Product Characteristics

Model No.
290 295 300
Electrical Data at STC  
Maximum Power (Pmax)
290 Wp 295 Wp 300 Wp
Voltage at Maximum Power (Vmpp)
27.44 V 27.57 V 27.7 V
Current at Maximum Power (Impp)
10.57 A 10.7 A 10.83 A
Open Circuit Voltage (Voc)
32.72 V 32.84 V 32.98 V
Short Circuit Current (Isc)
11.32 A 11.37 A 11.42 A
Panel Efficiency
19.89 % 20.23 % 20.57 %
Power Tolerance (Positive)
+ 1.5 % + 1.5 % + 1.5 %
  Standard Test Conditions (STC): air mass AM 1.5, irradiance 1000W/m2, cell temperature 25°C
Electrical Data at NOCT  
Maximum Power (Pmax)
214.8 Wp 218.5 Wp 222.1 Wp
Voltage at Maximum Power (Vmpp)
25.38 V 25.5 V 25.62 V
Current at Maximum Power (Impp)
8.47 A 8.57 A 8.67 A
Open Circuit Voltage (Voc)
30.54 V 30.66 V 30.78 V
Short Circuit Current (Isc)
9.13 A 9.17 A 9.21 A
Temperature 45±2 °C
  Nominal Operating Cell Temperature (NOCT): 800W/m2, AM 1.5, windspeed 1m/s,ambient temperature 20°C
Thermal Ratings  
Operating Temperature Range -40~85 °C
Temperature Coefficient of Pmax -0.37 %/°C
Temperature Coefficient of Voc -0.286 %/°C
Temperature Coefficient of Isc 0.057 %/°C
Maximum Ratings  
Maximum System Voltage 1500 V
Series Fuse Rating 20 A
Material Data  
Weight 7.53 kg
Cell Type Monocrystalline
PDF  
Download Manufacturer's PDF

LONGi Solar Technology Co., Ltd.

Click to show company phone
https://www.longi.com
China
No. 8369, Shangyuan Road, Economic And Technological Development Zone, Xi'an, Shaanxi
No. Staff: 60,601
Parent Company: LONGi Green Energy Technology Co.,Ltd
Product is no longer manufactured.

Crystalline

Production (MW)/: MWp
Monocrystalline
Power Range(Wp): 570-590

Reviews

Stable company with fast support and high quality standards.

-- Dr. Voit, SMM Solar

Longi is our most requested brand for projects where financing is involved. Longi's bankability, reputation, quality, and service guarantees that our clients will be pleased with their purchase and get the funds needed to complete their projects without issue.

-- Monique Bright-Rodgers, The Sol Patch International, Inc.

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