## EXHIBIT 31.1

## CERTIFICATION

I, Martin G. Klein, certify that:

|1. | I have reviewed this annual report on Form 10-KSB of Electro Energy Inc.;                                                                                                                                                                                                                                                          
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|2. | Based on my knowledge,  this report does not contain any untrue statement of a material fact or omit to state
        a material  fact  necessary  to make the  statements  made,  in light of the  circumstances  under which such
        statements were made, not misleading with respect to the period covered by this report;
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|3. | Based on my knowledge,  the financial  statements,  and other financial  information included in this report,
        fairly present in all material respects the financial condition,  results of operations and cash flows of the
        registrant as of, and for, the periods presented in this report;                       
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|4. | The registrant's other certifying  officer and I are responsible for establishing and maintaining  disclosure
        controls and  procedures  (as defined in Exchange Act Rules  13a-15(e) and  15d-15(e)) for the registrant and
        have:                                                                                  
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| | (a) | Designed such disclosure controls and procedures,  or caused such disclosure controls and procedures to
              be designed under our  supervision,  to ensure that material  information  relating to the  registrant,
              including  its  consolidated  subsidiaries,  is made  known  to us by  others  within  those  entities,
              particularly during the period in which this report is being prepared;
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| | (b) | Evaluated the  effectiveness  of the registrant's  disclosure  controls and procedures and presented in
              this report our conclusions  about the  effectiveness  of the disclosure  controls and procedures as of
              the end of the period covered by this report based on such evaluation; and                                                                                                                  
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| | (c) | Disclosed in this report any change in the registrant's  internal control over financial reporting that
              occurred  during the  registrant's  most recent  fiscal  quarter that has  materially  affected,  or is
              reasonably likely to materially affect, the registrant's internal control over financial reporting;                                                                                         

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|5. | The  registrant's  other  certifying  officer and I have  disclosed,  based on our most recent  evaluation of
        internal  control over  financial  reporting,  to the  registrant's  auditors and the audit  committee of the
        registrant's board of directors (or persons performing the equivalent functions):

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| | (a) | All significant  deficiencies  and material  weaknesses in the design or operation of internal  control
              over financial  reporting which are reasonably  likely to adversely affect the registrant's  ability to
              record, process, summarize and report financial information; and
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| | (b) | Any fraud, whether or not material,  that involves management or other employees who have a significant
              role in the registrant's internal control over financial reporting.

| | /s/ Martin G. Klein
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| | Name: Martin G. Klein         
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| | Title: Chief Executive Officer

Dated:  April 29, 2005

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