JA Solar Holdings Co., Ltd.(Nasdaq:JASO), ("JA Solar" or the "Company"), one of the world's largest manufacturers of high-performance solar power products, announced that it has commenced mass production of its 5-inch high-efficiency monocrystalline modules. The 72-cell modules produce a maximum power output of 215W and a mainstream power output of 210W.

On an annual basis, the modules produce an accumulated power output 3% higher than comparable models, allowing for cost savings in transportation, space and materials of over 2%.

"We're delighted to become the first PV manufacturer to achieve mainstream output of 210W in the 5-inch monocrystalline format," said Mr. Yong Liu, CTO of JA Solar. "The new modules' unparalleled output, outstanding conversion efficiency and competitive cost further solidify JA Solar's leading position in the high-efficiency space, and their compact size makes them ideally suited to the rapidly-growing rooftop market."