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Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2017
Apr. 13, 2018
Jun. 30, 2017
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2017    
Trading Symbol cbak    
Entity Registrant Name CBAK Energy Technology, Inc.    
Entity Central Index Key 0001117171    
Current Fiscal Year End Date --12-31    
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   26,231,817  
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well Known Seasoned Issuer No    
Entity Public Float     $ 35,400,000
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY