Solar Panel TONGWEI TWMND-72HD 580W N-Type Bifacial

The TONGWEI TWMND-72HD580W is a bifacial half-cell solar panel featuring N-type technology, which means lower degradation, higher efficiency, and better performance under low irradiance conditions. Its 144-cell (6x24) design allows for more uniform current distribution, reducing resistance losses and increasing reliability.

Technical Specifications:

Electrical Performance (STC)

• Maximum Power (Pmax): 580 W
• Module Efficiency: up to 22.6%
• Open Circuit Voltage (Voc): 51.84 V
• Short Circuit Current (Isc): 14.33 A
• Voltage at Maximum Power (Vmp): 43.48 V
• Current at Maximum Power (Imp): 13.46 A

Construction and Materials

• Dimensions: 2278 × 1134 × 30 mm
• Weight: 31.5 kg
• Glass: 2 mm semi-tempered (front and back)
• Frame: Anodized aluminum
• Junction Box: IP68 with 3 diodes
• Wind/Snow Load: 2400 Pa / 5400 Pa

Temperature Performance

• Temperature Coefficient (Pmax): -0.30%/°C
• NMOT: 45 ± 2°C
• Operating Range: -40°C to +85°C

Warranty and Certifications

• Product Warranty: 12 years
• Linear Power Warranty: 30 years (degradation <0.4% annually)
• Certifications: IEC 61215, 61730, 62804, 61701, 62716, CE, ISO 9001/14001/45001/50001

Frequently Asked Questions (FAQs)

What does it mean that the panel is bifacial?
It captures sunlight from both sides, increasing energy production by up to 25% under optimal conditions.

Is it compatible with common inverters?
Yes, it is compatible with most inverters on the market that support 1500V DC.

What maintenance does it require?
Minimal. Periodic cleaning of the front glass and annual inspection of connections are recommended.

Is it suitable for residential installations?
Yes, although its size and power output also make it ideal for commercial and industrial installations.

What are the advantages of N-type technology?
Higher efficiency, lower degradation, and better performance in low-light conditions.