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May 04, 2004 10:30 PM US Eastern Time zone

HOUSTON, TX –(BUSINESS WIRE)– May 4 –Power Technology (OTCBB:PWTC) is actively pursuing patent protection for its lead-acid battery technology. The maintenance fee for U.S. Patent No. 6,060,198, which discloses a new and improved battery current collector, was recently paid. The technology employs a reticulated battery plate structure that improves durability and power output of a lead-acid battery while reducing its weight.

In addition, the Company has completed the international preliminary examination process in order to obtain patents for an even newer technology on an improved lead-acid battery with a battery plate that uses a lightweight, porous, open pore material coated with an alloy. The unique design dramatically enhances the cyclability of a lead-acid battery at much higher power levels. National patent protection filings are ongoing with patent applications filed in 29 countries throughout Europe, North America and Asia, and with several more national filings planned. This filing is titled “Current Collector Structure and Method to improve the performance of a Lead-Acid Battery.”

Because of the work, Power Technology is the recipient of the Frost and Sullivan engineering award. (www.frost.com) The award is given to the company that has demonstrated technological superiority within its industry. The award recognizes the ability of the company to introduce new technology, formulate a well designed product family and enhance significant performance contributions to the battery industry.

This product once commercially manufactured will replace lead-acid batteries as well as other chemistries in numerous applications. The technology provides superior energy densities, longer cycle life, quick recharge characteristics as well as minimizing the use of lead. Our battery weighs less than half the traditional unit and takes up much less space under the hood.

This press release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements can be identified by the lead-in “Looking Forward.” These statements are not guarantees of future performance and involve significant risks and uncertainties. Actual results may vary materially from those in the forward-looking statements as a result of the effectiveness of management’s strategies and decisions, general economic and business conditions, new or modified statutory or regulatory requirements, and changing price and market conditions. No assurance can be given that these are all the factors that could cause actual results to vary materially from the forward-looking statements.

Contacts:

Power Technology, Inc
Lee A Balak, 604-925-0716
e-mail: [email protected]