Superior PID-resistance (Potential Induced Degradation)
Carefully chosen material from leading manufacturers
Rigorous reliability testing and quality control processes
Global Leader in Solar Cell Development R&D
JA Solar Holdings Co., Ltd. is a leading manufacturer of high-performance solar products and uses its strengths in PV-research and development to consistently optimize its unique technologies in cell production and model construction. Since 2008, technological development at JA Solar has stayed approximately 6-12 months ahead of competition (industry average.) JA Solar is the first company in the world that started mass production and commercializing PV-cells with selective diffusion technology and passivated emitter rear cells (PERC.) Furthermore, JA Solar is the first manufacturer to apply double-printing technology in all cell manufacturing lines.
JA Solar places great focus on the optimization of module manufacturing processes to continuously improve their efficiency and reliability. The power rating of JA Solar’s PV modules in mass production is on average about 5 to 10 watts above industry average.