Exhibit 32.2

Ener1, Inc.500  West
Cypress Creek Road-Suite 100 Ft. Lauderdale,
Florida, 33309

May __, 2004

Securities and Exchange
Commission450 5th Street, NWWashington, DC 20549

Re: Certification Of
Principal Executive Officer Pursuant To 18 U.S.C. Sec. 1350

Dear Ladies and Gentlemen:

In
connection with the accompanying Amendment No. 1 to Annual Report on Form 10-KSB/A of
Ener1, Inc., for the year ended December 31, 2004, I, James Calarco, Interim Chief
Financial Officer and Controller of Ener1, Inc., hereby certify pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

| | 1) | such Amendment No. 1 to Annual Report on Form 10-KSB/A of Ener1, Inc., for the
               year ended December 31, 2004, fully complies with the requirements of Section
               13(a) or 15(d) of the Securities Exchange Act of 1934; and
| | -- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 2) | the information contained in such Amendment No. 1 to Annual Report on Form
               10-KSB/A of Ener1, Inc., for the year ended December 31, 2004, fairly presents,
               in all material respects, the financial condition and results of operations of
               Ener1, Inc.
| | -- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| |                                                                                                                                                                                                            
| | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
| | By:      /s/ James Calarco
         James Calarco
         Interim Chief Financial Officer,
          Controller
         (Principal Financial and Accounting Officer
         and Duly Authorized Officer)

A
signed original of this written statement required by Section 906, or other document
authenticating, acknowledging or otherwise adopting the signature that appears in typed
form within the electronic version of this written statement required by Section 906, has
been provided to Ener1, Inc. and will be retained by Ener1, Inc. and furnished to the
Securities and Exchange Commission or its staff upon request.

In
accordance with Item 601 of Regulation S-B, this certification is being
furnished as Exhibit 32.1 to Ener1, Inc.s annual report and shall not be
deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934
(the Exchange Act) or otherwise subject to the liabilities of that section,
nor shall it be deemed incorporated by reference in any filing under the Securities Act of
1933 or the Exchange Act, except as expressly set forth by specific reference in such a
filing.