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Press Release/2008-03-18


EnerSys and Altergy Combine Forces to Offer Extended Runtime Power Solutions

READING, PA and FOLSOM, CA, March 18, 2008 -- EnerSys (NYSE: ENS), the world's largest manufacturer, marketer, and distributor of industrial batteries, and Altergy Systems, a leader in the development and manufacture of PEM fuel cell systems, today announced that the two companies have entered into a global distribution and marketing alliance.

As a result of the alliance between these two industry leaders, EnerSys will incorporate Altergy Freedom Power™ fuel cell systems into its family of power products to create “extended runtime” power solutions for a variety of applications worldwide. Customers will now be able to purchase, from EnerSys, a broader range of power solutions that will be able to offer an alternative to diesel generators. These solutions, will add to EnerSys' portfolio of clean, quiet, environmentally friendly products, will be available immediately in the Americas and throughout the world by this summer. For more information, go to:

“This alliance forms a marriage of complementary products and technologies, blending the performance of pure-lead batteries with the performance of fuel cells to create an optimal backup power solution,” commented Eric Mettler, president and CEO of Altergy Systems. “In addition to complementary products and technologies, the alliance will leverage EnerSys's enormous sales and distribution network and decades of telecom industry experience and Altergy's ability to mass produce fuel cell systems to meet growing customer demand for extended runtimes.”

Remarked John Shea, EnerSys's executive vice president - Americas: “The extended runtime power solution jointly offered by Altergy and EnerSys challenges the historic architecture of DC power. It introduces an innovative power generation approach based on advanced fuel cell technology that adds new dimension to the term ‘stored energy.' EnerSys is pleased to team with Altergy in providing this inventive and superior solution for customers' backup power needs.”

About EnerSys

EnerSys and Altergy Combine Forces to Offer Extended Runtime Power Solution s Page 2 EnerSys, the world leader in stored energy solutions for industrial applications, manufactures and distributes reserve power and motive power batteries, chargers, power equipment, and battery accessories to customers worldwide. Motive power batteries are utilized in electric forklift trucks and other commercial electric powered vehicles. Reserve power batteries are used in the telecommunication and utility industries, uninterruptible power suppliers, and numerous applications requiring standby power. The company also provides aftermarket and customer support services to its customers from over 100 countries through its sales and manufacturing locations around the world.

More information regarding EnerSys can be found at

About Altergy

Altergy Systems engages in the design, manufacture, marketing and service of proprietary fuel cell power products that are changing the way the world gets its power. Altergy's Freedom Power products provide freedom from the grid, freedom from foreign oil, freedom from traditional energy solutions, freedom from batteries and freedom from pollution. These low cost, robust, fully integrated, and high efficiency fuel cell systems generate electrical power at the point-of-use, making low cost, distributed electrical power generation a reality. Altergy's Freedom Power products are a clean, green solution to the serious global shortage of premium power and growing demand for low cost, high quality power.
More information about Altergy Systems is available at
Altergy, Altergy Systems and Freedom Power are trademarks of Altergy Systems.

Copyright © 2001-2008 Altergy Systems. All Rights Reserved.
Caution Concerning Forward-Looking Statements

This press release (and oral statements made regarding the subjects of this release) contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements may include, but are not limited to, (i) statements regarding EnerSys' plans, objectives, expectations and intentions and other statements contained in this press release that are not historical facts, including statements identified by words such as "expects," "anticipates," "intends," "plans," "believes," "seeks," "estimates," "will" or words of similar meaning; and (ii) statements about the benefits of the plant expansion including any impact on our financial and operating results and estimates, and any impact on EnerSys' market position that may be realized from this plant expansion. These forward-looking statements are based upon management's current beliefs or expectations and are inherently subject to significant business, economic, and competitive uncertainties and contingencies many of which are beyond our control. The following factor, among others, could cause actual results to differ materially from those described in the forward-looking statements. The possibility that EnerSys may not realize revenue benefits from the contract award within expected time frames. EnerSys does not undertake any obligation to update any forward-looking statement to reflect circumstances or events that occur after the date such forward-looking statement is made. For a list of other factors, which could affect EnerSys' results, see EnerSys' filings with the Securities and Exchange Commission, including "Item 1A. Risk Factors," set forth in our EnerSys' Annual Report on Form 10-K for the fiscal year ended March 31, 2007. © Copyright 2008. All Rights Reserved.

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