UPDATE 2-Battery maker A123 sees slower demand, shares fall
* A123 posts deeper third-quarter loss on plant costs
* Battery maker says bump up in sales delayed, shares drop
* A123 says wins contract to supply SAIC batteries
* Shares fall after hours (Recasts first paragraph, adds detail, comments from CEO)
DETROIT, Nov 9 (Reuters) - A123 Systems AONE.O, which develops and builds advanced battery systems, posted a deeper third-quarter loss and warned that automakers were moving more slowly on electric car projects, sending its shares tumbling.
The Watertown, Massachusetts-based company cautioned that an increase in sales from electric-car related projects it had told investors to expect would be delayed by about half a year until the second quarter of 2011.
Shares in A123 fell 9 percent in after-hours trade.
Separately, A123 said it had won a contract to supply lithium-ion cells for an electric car to be produced by leading Chinese automaker SAIC Motor Co Ltd.
The battery pack for the 2012 model year vehicle will be developed by a joint venture between the two companies, and the cells will be shipped to China, A123 Chief Executive David Vieau said. Continued...