Astro N7s 440W Full Black Bifacial Solar Panel

The Astro N7s CHSM54RNS-BH 440W solar panel is a high-performance solution that combines the latest energy efficiency technology with an elegant and minimalist design.

Designed to deliver maximum performance in limited spaces, this All Black bifacial module is made with n-type TOPCon 4.0 cells, an innovation that significantly improves energy production, durability, and real-world performance.

Thanks to its double glass and sturdy structure, it is ideal for both residential and commercial installations. Additionally, its uniform black design perfectly fits installations where aesthetics are also a priority.

Main features:

• Nominal power: 440W

• Cell technology: n-type monocrystalline with TOPCon 4.0 technology

• Bifacial All Black design: modern and elegant, ideal for homes

• High efficiency: up to 23% efficiency under STC conditions

• Positive tolerance: 0~+3%, always ensuring the promised or higher power

• Minimal degradation: -1% in the first year and only -0.4% annually up to year 30

• Compact size: 1762 x 1134 x 30 mm

• Weight: 21.5 kg

Technical specifications:

• Number of cells: 108 (6x18)

• Front and rear glass: 1.6 mm tempered on both sides

• Frame type: Black anodized aluminum

• Temperature coefficient (Pmpp): -0.29%/°C

• Junction box: IP68 with 3 diodes

• System voltage: up to 1500V DC

• Maximum mechanical load: 5400 Pa (front) / 2400 Pa (rear)

• Connectors: HCB40 (standard) / MC4-EVO2A (optional)

• Performance under NMOT (41±2°C): optimized for real operating conditions

Advantages of bifacial technology:
This panel can also capture sunlight from its rear side, generating up to 25% more energy depending on the environment and installation type. This is especially useful on white or highly reflective roofs.

Recommended applications:

• Premium residential installations

• Designed rooftop photovoltaic systems

• Projects where aesthetics and efficiency are priorities

• Commercial or industrial installations seeking a reliable panel with low LCOE (levelized cost of energy)

Frequently asked questions (FAQs):

• Does the panel work on cloudy days?
  Yes, thanks to its TOPCon technology and high sensitivity, it maintains solid performance even under low irradiance conditions.

• What advantages does TOPCon technology offer over traditional PERC?
  TOPCon technology enables higher efficiency, lower degradation, and better thermal performance, resulting in more energy generated over the years.

• Is it compatible with microinverters and optimizers?
  Yes, this panel is fully compatible with leading microinverters and optimizers on the market.

• What is the warranty period?
  25 years product warranty and 30 years linear performance warranty (87.4% at year 30).

• Can it be used in fixed or tracking solar structures?
  Yes, its structural rigidity and mechanical resistance make it suitable for both types of installations.