**Exhibit      10.4**

**Summary        of Comprehensive Credit Facility Agreement entered into between Shenzhen        BAK        Battery Co., Ltd and Shenzhen Branch, China Construction Bank on February        14,        2007. **

**Summary        of main contents:**

| · | Contract                number: No. Jie 2006 Zong 1279042 |
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|   |   |
|--------|--------|
| · | Maximum                amount for credit facilities to be provided: RMB 150                million; |
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|   |   |
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| · | Loan                term: tweleve months after the signature of the                agreement; |
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| · | Interest                rate of loan equals to the benchmark rate issued by the People’s Bank of                China at the time each loan agreement/contract is signed; the interest                shall be calculated on a daily basis, and is payable on the expiry                date of                the principal; |
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| · | Adjustment                of credit can be made by the Creditor under the any of the                following: |
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| · | Breach                of contract penalty: cancellation or reduction of unused credit and                loan                term; demand prepayment of principal and interest before maturity;                publicize the breach of the Company; deduct the loan payment from                the                Company’s other accounts at the Creditor and its affiliates; demand                additional guaranty, or take other measures that is necessary to                secure                the Creditor’s rights; enforcement of guaranty right; termination of the                contract; compensation for the Creditor’s expenses incurred due to the                Company’s breach of the contract; other                measures. |
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| · | Special                terms: During the term of this agreement, the Creditor is eligible                to                terminate the contract if the Company’s liabilities exceed 65% of its                assets or its current ratio is less than 1; in the event the company                uses                the trust receipt facility to transact the foreign business, the                applicable interest rate should be LIBOR +60BPS of the same                period. |
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**Headlines        of articles omitted: **

| · | Definition |
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|   |   |
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| · | Use                of Credit |
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| · | Guaranty |
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| · | Repayment |
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| · | Rights                and Obligations of the contractor |
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| · | Engaging                bank |
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| · | Reserve                of the Creditor’s Right |
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| · | Notice |
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| · | Applicable                law and disputes settlement |
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| · | Effectiveness |
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| · | Miscellaneous |
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| · | Statement |
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