Document and Entity Information	6 Months Ended
Jun. 30, 2011	Aug. 15, 2011
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2011
Trading Symbol	dfel
Entity Registrant Name	China TMK Battery Systems Inc.
Entity Central Index Key	0001382702
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		36,888,000
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well Known Seasoned Issuer	No
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q2

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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