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Loans (Details Textual) - USD ($) |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 14, 2019 | Jun. 04, 2018 | Jun. 28, 2020 | Mar. 31, 2020 | Jun. 25, 2019 | Jan. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 10, 2020 | Jul. 31, 2020 | Dec. 30, 2019 | Oct. 15, 2019 | May 21, 2019 | Mar. 07, 2019 | Nov. 30, 2018 | Aug. 31, 2018 | Aug. 22, 2018 | Sep. 30, 2015
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank acceptances bills |  |  |  |  |  |  | $ 8,791,499 | $ 3,915,094 |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00%
Interest |  |  |  |  |  |  | 1,710,183 | $ 2,293,440 |  |  |  |  |  |  |  |  |  |
Loans, description | The Company entered into a cancellation agreement with Mr. Shangdong Liu, Mr. Shibin Mao, Ms. Lijuan Wang and Mr. Ping Shen (the creditors). Pursuant to the terms of the cancellation agreement, Mr. Shangdong Liu, Mr. Shibin Mao, Ms. Lijuan Wang and Mr. Ping Shen agreed to cancel and convert the Fifth Debt (note 1) and the Unpaid Earnest Money in exchange for 528,053, 3,536,068, 2,267,798 and 2,267,798 shares of common stock of the Company, respectively, at an exchange price of $0.6 per share. Upon receipt of the shares, the creditors will release the Company from any claims, demands and other obligations relating to the Fifth Debt and the Unpaid Earnest Money. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party description |  |  |  | The Company obtained additional one-year term facilities from Jilin Province Trust Co., Ltd with a maximum amount of RMB40.0 million (approximately $5.9 million), which was secured by land use rights and buildings of Eodos Liga Energy Co., Ltd. Under the facilities, the Company borrowed RMB24.2 million ($3.6 million) on March 13, 2020, bearing annual interest of 13.5%. | The Company entered into a loan agreement with Mr. Shulin Yu, an unrelated party, to loan RMB3.6 million (approximately $0.5 million) for a term of one year, bearing annual interest of 10% and the repayment was guaranteed by Mr. Yunfei Li (the Company's CEO) and Mr. Wenwu Wang (the Company's former CFO). On June 22, 2020, the Company and Mr. Shulin Yu entered into a supplemental agreement to extend the loan for one year to June 24, 2021. The Company fully repaid the loan principal and accrued interests in October 2020. | the Company obtained one-year term facilities from Jilin Province Trust Co. Ltd. with a maximum amount of RMB40.0 million (approximately $5.8 million), which was secured by land use rights and buildings of Eodos Liga Energy Co., Ltd. Under the facilities, the Company borrowed a total of RMB39.6 million ($5.7 million) in 2019, bearing annual interest from 11.3% to 11.6%. The Company fully repaid the loan principal and accrued interests in March 2020. |  |  |  |  |  |  |  |  |  |  |  |
Investment agreements description |  |  |  |  |  |  |  | The Company returned partial earnest money of $966,579 (approximately RMB6.7 million) to these investors. |  |  |  |  |  |  |  |  |  |
Remained outstanding value |  |  |  |  |  |  | 88,888 |  |  |  |  |  |  |  |  |  |  |
Unutilized committed facilities |  |  |  |  |  |  | 7,100,000 |  |  |  |  |  |  |  |  |  |  |
Other Short-term Loans |  |  |  |  |  |  | 1,253,869 | $ 7,351,587 |  |  |  |  |  |  |  |  |  |
Suzhou Zhengyuanwei Needle Ce C., Ltd [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans, description |  |  |  |  |  |  |  | The Company entered into a short term loan agreement with Suzhou Zhengyuanwei Needle Ce Co., Ltd, an unrelated party to loan RMB0.6 million (approximately $0.1 million), bearing annual interest rate of 12%. As of December 31, 2020, loan amount of RMB0.5 million ($76,586) remained outstanding. |  |  |  |  |  |  |  |  |  |
Agricultural Bank of China [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding loan |  |  |  |  |  |  | 13,700,000 |  |  |  |  |  |  |  |  |  |  |
Agricultural Bank of China [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding loan |  |  |  |  |  |  | 89,700,000 |  |  |  |  |  |  |  |  |  |  |
China Everbright Bank Dalian Branch [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  |  | 3,820,000 | $ 5,900,000 |  | $ 3,820,000 | $ 5,900,000 | $ 4,120,000 |  |  | $ 14,700,000 | $ 8,800,000 | $ 14,700,000 |
Long-term Line of Credit |  |  |  |  |  |  | 3,820,000 |  | $ 2,400,000 | 3,820,000 |  | $ 4,120,000 |  |  | $ 7,400,000 | $ 8,800,000 |  |
Bank acceptances bills |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,240,000 |  |  |  |
Debt instrument discount rate |  |  |  |  |  |  |  |  |  |  |  | 3.30% |  |  |  | 4.00% |  |
Loans, description |  | The Company obtained banking facilities from China Everbright Bank Dalian Branch with a maximum amount of RMB200 million (approximately $30.63 million) with the term from June 12, 2018 to June 10, 2021, bearing interest at 130% of benchmark rate of the People’s Bank of China (“PBOC”) for three-year long-term loans, at current rate 6.175% per annum. The facilities were secured by the Company’s land use rights, buildings, machinery and equipment. According to the original repayment schedule, the loans are repayable in six installments of RMB0.8 million ($0.12 million) on December 10, 2018, RMB24.3 million ($3.72 million) on June 10, 2019, RMB0.8 million ($0.12 million) on December 10, 2019, RMB74.7 million ($11.44 million) on June 10, 2020, RMB0.8 million ($0.12 million) on December 10, 2020 and RMB66.3 million ($10.16 million) on June 10, 2021. The Company repaid the bank loan of RMB0.8 million ($0.12 million), RMB24.3 million ($3.72 million) and RMB0.8 million ($0.12 million) in December 2018, June 2019 and December 2019, respectively. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Supplemental agreement description |  |  | The remaining RMB141.8 million (approximately $21.72 million) loans are repayable in eight instalments consisting of RMB1.09 million ($0.17 million) on June 10, 2020, RMB1 million ($0.15 million) on December 10, 2020, RMB2 million ($0.31 million) on January 10, 2021, RMB2 million ($0.31 million) on February 10, 2021, RMB2 million ($0.31 million) on March 10, 2021, RMB2 million ($0.31 million) on April 10, 2021, RMB2 million ($0.31 million) on May 10, 2021, and RMB129.7 million ($19.9 million) on June 10, 2021, respectively. The Company repaid the bank loan of RMB1.09 million ($0.17 million) and RMB51 million ($7.8 million) in June and December 2020, respectively. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bearing interest |  |  |  |  |  |  |  | 5.655% |  |  |  |  |  |  |  |  |  |
China Everbright Bank Dalian Branch [Member] | Mr. Yunfei Li [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |  |  |  |  |
China Everbright Bank Dalian Branch [Member] | CBAK Power [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |  | 100.00% |  |  |
Debt instrument discount rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |
China Everbright Bank Dalian Branch [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  |  |  | 24,900,000 | $ 39,900,000 |  | 24,900,000 | $ 39,900,000 | $ 28,000,000 |  |  | $ 100,000,000 | $ 60,000,000 | $ 100,000,000 |
Long-term Line of Credit |  |  |  |  |  |  | 24,900,000 |  | $ 16,100,000 | $ 24,900,000 |  | $ 28,000,000 |  |  | $ 50,000,000 |  |  |
Bank acceptances bills |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 28,800,000 |  |  |  |
Industrial Bank Co., Ltd. Dalian Branch [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank acceptances bills |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000 |  |  |  |  |
Bills receivable |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 |  |  |  |  |
Industrial Bank Co., Ltd. Dalian Branch [Member] | RMB [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank acceptances bills |  |  |  |  |  |  |  |  |  |  |  |  | 1,500,000 |  |  |  |  |
Bills receivable |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |
Jilin Province Trust Co., [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans (Textual) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Short-term Loans |  |  |  |  |  |  | $ 7,400,000 |  |  |  |  |  |  |  |  |  |  |

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