EnerDel Unveils Lithium Ion Battery Pack for Hybrid Electric Vehicles

INDIANAPOLIS, Oct. 10, 2007 -- Ener1, Inc. concluded a successful Media Day on October 9, 2007 at its Indianapolis-based subsidiary, EnerDel, Inc. At the event, U.S. Congressman Dan Burton spoke to the media about the importance of the EnerDel technology to the country's energy independence, the environment and the creation of high technology jobs for the Indiana economy. Congressman Burton stated, "EnerDel is the wave of the future. Its cutting edge technology will help relieve our dependency on foreign oil." Congressman Burton officially unveiled the fully functional Lithium-ion battery pack developed specifically for the HEV (Hybrid Electric Vehicle) market. The media in attendance included local television affiliates of ABC, CBS and FOX, the Indianapolis Star newspaper, a Gannett publication, and WIBC radio.

Additional speakers offering their congratulations and commenting on the state of the technology and industry included David Lewis of Argonne National Laboratories and David Howell of the U.S. Department of Energy's Office of FreedomCAR and Vehicle Technologies. The EnerDel engineering team completed the presentation with a technical overview of the battery technology.

Charles Gassenheimer, Vice Chairman of Ener1, stated, "This was a very successful day that marks the beginning of the future of the U.S. hybrid vehicle storage technology business. We are deeply appreciative of the support and words from Congressman Burton and his presence at this event. As always, we are grateful for the support of the Department of Energy and thankful for Argonne National Laboratories' assistance with our materials development. And very importantly, we thank our hard-working and creative employees at EnerDel."

An archival web cast of the event is available on the company's web sites (http://www.ener1.com/ and www.enerdel.com). The event was held at the EnerDel high technology facility located at 8740 Hague Road, Bldg. 7, Indianapolis, IN.

EnerDel is owned by Ener1, Inc. (80.5%) and Delphi Corporation (19.5%). EnerDel has a pilot production facility in Indianapolis, Indiana. EnerDel currently employs approximately 60 highly experienced engineers and technicians involved in the battery development of both cells and systems. For more information, please visit: www.enerdel.com

About Ener1, Inc.

Ener1, Inc. (BULLETIN BOARD: ENEI) is an alternative energy technology company that is developing 1) lithium ion batteries for hybrid electric vehicles (HEV) at its 80.5% owned EnerDel subsidiary, 2) commercial fuel cell products through its EnerFuel subsidiary, and 3) nanotechnology-based materials and manufacturing processes for batteries and other applications at its NanoEner subsidiary. For more information, visit http://www.ener1.com/ or call 954-556-4020.