Description

LONGi S10 - 490W Mono 54cell All Black SDM1 Solar Panel

The LONGi 490W S10 HJBB is a premium all-black solar panel designed for high-end residential and commercial systems. Featuring cutting-edge HIBC back-contact cell technology, it delivers exceptional efficiency and reliability with a sleek, seamless appearance. Its dual-glass design enhances durability, while the low-temperature coefficient ensures stable performance in all conditions.

Key Features

• High Efficiency: 24.0% maximum module efficiency for superior energy yield in limited space.
• Dual Glass Design: 2.0mm + 1.6mm semi-tempered glass for improved strength and extended lifespan.
• Robust Durability: Withstands front loads up to 6000Pa and rear loads up to 3600Pa for wind and snow resistance.
• Real Black Aesthetic: Full black finish with no visible gridlines for a modern, clean look.
• Advanced HIBC Technology: Higher energy output in all weather conditions and reduced shading losses.
• Enhanced Longevity: 30-year linear power output warranty and 30-year materials and workmanship warranty.
• Fire Rating Class A: Certified to IEC fire safety standards for peace of mind.

Specifications

• Model: LR7-54HJBB-490M
• Cell Type: Monocrystalline HIBC (Half-Cut, 108 cells)
• Rated Power (Pmax): 490 W
• Module Efficiency: 24.0%
• Open-Circuit Voltage (Voc): 41.25 V
• Short-Circuit Current (Isc): 15.04 A
• Voltage at Max Power (Vmp): 34.07 V
• Current at Max Power (Imp): 14.38 A
• Power Tolerance: 0 ~ +3%
• Maximum System Voltage: 1500 V (IEC)
• Maximum Series Fuse Rating: 30 A
• Temperature Coefficient (Pmax): -0.24% / °C
• Temperature Coefficient (Voc): -0.21% / °C
• Temperature Coefficient (Isc): +0.05% / °C
• Nominal Operating Cell Temperature (NOCT): 45 ± 2 °C
• Operational Temperature Range: -40 °C to +85 °C
• Dimensions: 1800 × 1134 × 30 mm
• Weight: 23.5 kg
• Frame: Black anodized aluminium alloy
• Glass: Dual glass (2.0mm front / 1.6mm rear semi-tempered)
• Junction Box: IP68 rated
• Connector Cable: 4mm², +400mm / -200mm (customisable ±1200mm)
• Mechanical Load: 6000Pa (front) / 3600Pa (rear)
• Fire Rating: Class A (IEC)

Applications

Ideal for residential rooftops, small commercial projects, and design-conscious installations where performance and aesthetics matter.

What’s Included in the Box

• 1× LONGi 490W S10 HJBB Mono 54-Cell All Black Solar Panel

• Product documentation & warranty information

Why Buy This Product

• High Power Output: 490W with excellent power density around 240 W/m², delivering more energy per square metre.
• 108 Half-Cells Layout: Reduces shading losses, improves performance under partial shade, and enhances durability.
• All-Black Design: Black frame and black backsheet for a sleek, uniform appearance that suits rooftop aesthetics.
• Glass-Glass Module Structure: For enhanced mechanical strength, better moisture resistance, and a longer lifespan.
• Exceptional Durability: Designed to withstand heavy snow loads (6000 Pa), strong wind loads (3600 Pa), and hail resistance class RG3.
• Long-Term Investment: 30-year warranty for both performance and materials.
• Environmentally Friendly: Low carbon footprint across the full lifecycle.

Combined with LONGi’s reputation as one of the world’s leading solar manufacturers, this panel represents a strong investment in both clean energy and long-term value.

Disclaimer:

All product information provided by Solareon UK is intended for general guidance only and may be subject to change or error. Solareon UK does not accept liability for any inaccuracies or omissions in the product specifications displayed. For accurate and detailed technical information, please refer to the manufacturer’s official datasheet available in the 'Downloads' section. We strongly advise confirming all critical details directly with the manufacturer prior to making purchasing or installation decisions.