updated 2/17/2011 8:17:02 AM ET 2011-02-17T13:17:02

SHANGHAI, China, Feb. 17, 2011 (GLOBE NEWSWIRE) -- JA Solar Holdings Co., Ltd. (Nasdaq:JASO) ("JA Solar" or the "Company"), one of the world's largest manufacturers of high-performance solar cells and solar power products, today announced that it has developed a new high-power multi-crystalline solar cell with a conversion efficiency of 18.2%, representing a significant breakthrough in multi-crystalline silicon solar cell technology.

The new generation solar cell, which was developed by JA Solar's R&D team, utilizes a proprietary new technology dubbed "Maple" that enables significantly enhanced power output from multi-crystalline solar cells. Maple cells feature silicon crystals that are broader, flatter and have fewer grain boundaries than traditional multi-crystalline silicon, resulting in reduced energy wastage and improved conversion efficiency. Though closer to mono-crystalline solar cells in terms of conversion efficiency, Maple cells can be produced using lower-cost multi-crystalline silicon production techniques. As a result, Maple has the potential to be used to produce a more advanced range of high-power solar modules at a low cost-to-performance ratio.

Maple cells have achieved 18.2% conversion efficiency in pilot production under large-volume manufacturing conditions, and the Company intends to commence commercial production in the second half of 2011.

"We are proud to announce this breakthrough in multi-crystalline-silicon solar cell technology, an achievement that clearly demonstrates JA Solar's industry-leading R&D capabilities," said Dr. Peng Fang, CEO of JA Solar. "By bridging the gap between the higher efficiency of mono-crystalline technology and the lower cost of multi-crystalline cells, Maple technology can drive a new generation of high-power solar modules at attractive price points. We are committed to building on this achievement to further improve efficiency and to continuing to develop industry-leading solar cell technology and innovative solar power products in support of our goal of achieving grid-parity."

JA Solar will showcase this new solar cell and related solar module products at the SNEC (2011) PV POWER EXPO, which will take place in Shanghai, China, from February 22 to 24, 2011.

Forward-looking Statements

This press release contains forward-looking statements within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by words such as "may," "expect," "anticipate," "aim," "intend," "plan," "believe," "estimate," "potential," "continue," and other similar statements. Statements other than statements of historical facts in this announcement are forward-looking statements, including but not limited to, our expectations regarding the expansion of our manufacturing capacities, our future business development, and our beliefs regarding our production output and production outlook. These forward-looking statements involve known and unknown risks and uncertainties and are based on current expectations, assumptions, estimates and projections about the company and the industry. Further information regarding these and other risks is included in Form 20-F and other documents filed with the Securities and Exchange Commission. The company undertakes no obligation to update forward-looking statements, except as may be required by law. Although the company believes that the expectations expressed in these forward-looking statements are reasonable, it cannot assure you that its expectations will turn out to be correct, and investors are cautioned that actual results may differ materially from the anticipated results.

About JA Solar Holdings Co., Ltd.

JA Solar Holdings Co., Ltd. is a leading manufacturer of high-performance solar power products. The company sells its products to solar manufacturers worldwide, who assemble and integrate solar cells into modules and systems that convert sunlight into electricity for residential, commercial, and utility-scale power generation. For more information, please visit http://www.jasolar.com.

The JA Solar Holdings Co., Ltd. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=8631

         Martin Reidy
         Brunswick Group
         Tel: +86-10-5960-8600
         In the U.S.
         Cindy Zheng
         Brunswick Group
         Tel: +1-212-333-3810

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