JA Solar - JAM66D45-615-LB - 620W - 66 Cell

Product Description

The JA Solar DeepBlue 4.0 is a premium n-type double-glass bifacial solar module designed for strong performance, long-term reliability, and a clean all-black appearance. Built with advanced 16BB MBB half-cell technology, this panel delivers up to 26.0% module efficiency, improved low-light response, lower degradation, and excellent temperature performance for dependable energy production in real-world conditions.

Its bifacial double-glass construction helps increase total energy yield by capturing additional reflected light from the rear side, while also improving durability and long-term resistance to environmental stress. JA Solar backs this module with a 12-year product warranty and a 30-year linear power output warranty, making it a strong choice for residential, commercial, and high-performance solar installations.

Key Features

• Up to 26.0% efficiency

• n-type bifacial double-glass design

• All-black module appearance

• Better low-irradiance performance

• Lower LID and improved long-term output

• 12-year product warranty

• 30-year linear power warranty