Exhibit 99.l

               Ultralife Batteries Awarded $1.4 Million
                Contract for Tactical Repeater Systems


    NEWARK, N.Y.--(BUSINESS WIRE)--Feb. 12, 2007--Ultralife Batteries,
Inc. (NASDAQ: ULBI) through its McDowell Research unit, has received a
contract valued at approximately $1.4 million to supply its MRC-200
tactical repeater systems and associated ancillary components to an
Allied military. Deliveries will begin this quarter and are expected
to be completed in the third quarter.

    "Through McDowell's broad product offering and relationships with
both U.S. and non-U.S. government entities, Ultralife continues to
diversify its customer base and revenues," said John D. Kavazanjian,
Ultralife's president and chief executive officer. "Our new tactical
repeater system significantly complements our growing portfolio of
military communications accessories and we are pleased to provide such
a high-quality and tactically important communications component to
our allies."

    The MRC-200 is an advanced Tactical Repeater System (TRS) used in
conjunction with modern multi-band, multi-mission handheld radio
systems, and supports 20-Watt, 2-Frequency Simplex operations across
the 30-512-MHz band according to role and mission. The MRC-200 TRS,
which can be deployed as a standalone package, and which is ideally
suited for quick-fit installation in a variety of land, air and
maritime platforms, supports reliable and flexible communications and
provides a significant increase in capability for the deployed
handheld radio user.

    About Ultralife Batteries, Inc.

    Ultralife is a global provider of high-energy power solutions and
communications accessories for diverse applications. The company
develops, manufactures and markets a wide range of non-rechargeable
and rechargeable batteries, charging systems and accessories for
markets including military, commercial and consumer portable
electronics. Through its portfolio of standard products and engineered
solutions, Ultralife is at the forefront of providing the next
generation of power systems and accessories. Commercial, retail and
government customers include General Dynamics, Philips Medical
Systems, General Motors, Energizer, Kidde Safety, Lowe's, Radio Shack
and the national defense agencies of the United States, United
Kingdom, Germany, Australia and New Zealand, among others.

    Ultralife's McDowell Research operating unit is a leader in the
design and manufacture of power solutions and accessories to support
military communications systems including power supplies, RF
amplifiers, battery chargers, amplified speakers, equipment mounts,
case equipment and integrated communication systems. Detailed
information on McDowell Research is available at:
www.mcdowellresearch.com.

    Ultralife's headquarters, principal manufacturing and research
facilities are in Newark, New York, near Rochester. Ultralife's three
other operating units are: Ultralife Batteries (UK) Ltd., in Abingdon,
England; McDowell Research in Waco, Texas; and ABLE New Energy in
Shenzhen, China. Detailed information on Ultralife is available at:
www.ultralifebatteries.com.

    This press release may contain forward-looking statements based on
current expectations that involve a number of risks and uncertainties.
The potential risks and uncertainties that could cause actual results
to differ materially include: Addressing the process of U.S. military
procurement, worsening global economic conditions, increased
competitive environment and pricing pressures, disruptions related to
restructuring actions and delays. Further information on these factors
and other factors that could affect Ultralife's financial results is
included in Ultralife's Securities and Exchange Commission (SEC)
filings, including the latest Annual Report on Form 10-K.

    Ultralife(R) and McDowell Research(TM) are a trademarks of
Ultralife Batteries, Inc.


    CONTACT: Ultralife Batteries, Inc.
             Pete Comerford, 315-332-7100
             pcomerford@ulbi.com
             Or
             Investor Relations:
             Lippert/Heilshorn & Associates, Inc.
             Jody Burfening, 212-838-3777