**EXHIBIT      31.2**

**CERTIFICATION      OF PRINCIPAL FINANCIAL OFFICER**

| 1. | I                have reviewed this report on Form 10-KSB/A of Axion Power International,                Inc; |
|----|---------------------------------------------------------------------------------------------------------------|

| 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; |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 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; |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4. | The                registrant’s other certifying officers and I, are responsible for                establishing and maintaining disclosure controls and procedures (as                defined in Exchange Act Rules 13a-14 and 15d-14) and internal control                over                financial reporting (as defined in Exchange Act Rules 13a-15(f) for                the                registrant and we have: |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | a) | designed                such disclosure controls and procedures 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; |
|--------|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | b) | evaluated                the effectiveness of the registrant’s disclosure controls and procedures                as of a date within 90 days prior to the filing date of this report                (the                “Evaluation Date”); and |
|--------|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | c) | designed                  such internal control over financial reporting, or caused such                  internal                  control over financial reporting to be designed under our supervision,                  to                  provide reasonable assurance regarding the reliability of financial                  reporting and the preparation of financial statements for external                  purposes in accordance with generally accepted accounting                  principles, |
|--------|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | d) | presented                in this report our conclusions about the effectiveness of the disclosure                controls and procedures based on our evaluation as of the Evaluation                Date; |
|--------|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 5. | The                registrant’s other certifying officers and I have disclosed, based on our                most recent evaluation, to the registrant’s auditors and the audit                committee of registrant’s board of directors (or persons performing the                equivalent function) |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | a) | all                significant deficiencies in the design or operation of internal controls                which could adversely affect the registrant’s ability to record, process,                summarize and report financial data and have identified for the                registrant’s auditors any material weaknesses in internal controls;                and |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | b) | any                fraud, whether or not material, that involves management or other                employees who have a significant role in the registrant’s internal                controls; and |
|--------|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 6. | The                registrant’s other certifying officers and I have indicated in this report                whether or not there were significant changes in internal controls                or in                other factors that could significantly affect internal controls subsequent                to the date of our most recent evaluation, including any corrective                actions with regard to significant deficiencies and material                weaknesses. |
|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| /s/                Andrew Carr Conway, Jr.                      |   |
|-----------------------------------------------------------------|--------|
| Andrew                Carr Conway, Jr., Chief Financial Officer |   |
| Dated:                May 12, 2008                              |   |

----