-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Pc0kPPIT/LaD5TbhNy57toFcNV/zCKHFwWMNfyuzpPJA5K9I5NzzSS+kR167MpNQ
 ljRHGS+Cn3rQZm81r14N+g==

<SEC-DOCUMENT>0001144204-10-021641.txt : 20100422
<SEC-HEADER>0001144204-10-021641.hdr.sgml : 20100422
<ACCEPTANCE-DATETIME>20100422115605
ACCESSION NUMBER:		0001144204-10-021641
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100408
FILED AS OF DATE:		20100422
DATE AS OF CHANGE:		20100422

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mao Huanyu
		CENTRAL INDEX KEY:			0001315123

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32898
		FILM NUMBER:		10763763

	MAIL ADDRESS:	
		STREET 1:		BAK INDUSTRIAL PAR, NO. 1 BAK STREET
		STREET 2:		KUICHONG TOWN, LONGGANG DISTRICT
		CITY:			SHENZHEN
		STATE:			F4
		ZIP:			518119

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CHINA BAK BATTERY INC
		CENTRAL INDEX KEY:			0001117171
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				880442833
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		BAK INDUSTRIAL PARK, NO. 1 BAK STREET
		STREET 2:		KUICHONG TOWN, LONGGANG DISTRICT
		CITY:			SHENZHEN PEOPLE
		STATE:			F4
		ZIP:			518119
		BUSINESS PHONE:		86-755-8977-0093

	MAIL ADDRESS:	
		STREET 1:		BAK INDUSTRIAL PARK, NO. 1 BAK STREET
		STREET 2:		KUICHONG TOWN, LONGGANG DISTRICT
		CITY:			SHENZHEN PEOPLE
		STATE:			F4
		ZIP:			518119

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MEDINA COFFEE INC
		DATE OF NAME CHANGE:	20000626
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>v181927_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-04-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001117171</issuerCik>
        <issuerName>CHINA BAK BATTERY INC</issuerName>
        <issuerTradingSymbol>CBAK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001315123</rptOwnerCik>
            <rptOwnerName>Mao Huanyu</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>BAK INDUSTRIAL PAR, NO. 1 BAK STREET</rptOwnerStreet1>
            <rptOwnerStreet2>KUICHONG TOWN, LONGGANG DISTRICT</rptOwnerStreet2>
            <rptOwnerCity>SHENZHEN</rptOwnerCity>
            <rptOwnerState>F4</rptOwnerState>
            <rptOwnerZipCode>518119</rptOwnerZipCode>
            <rptOwnerStateDescription>CHINA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Technology Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.43</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2010-04-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>100000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2017-09-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The option vests and becomes exercisable over a two-year period as follows: The option shall vest and become exercisable as
 to 12,500 shares on October 1, 2010, and as to an additional 12,500 shares at the end of each subsequent quarter until fully
 vested.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Huanyu Mao</signatureName>
        <signatureDate>2010-04-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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