Class of Stock [Axis] Related and Nonrelated Parties [Axis] Total current assets Total non-current assets Total assets Total current liabilities Total non-current liabilities Total liabilities Total U POWER LIMITED’s shareholders’ equity Total equity Balance Balance Balance (in Dollars) Total liabilities and equity Product and Service [Axis] Gross profit Total operating expenses Operating loss Loss before income taxes Net loss Net loss Consolidated net loss Net loss attributable to the Company’s shareholders Comprehensive loss Balance (in Shares) Balance (in Shares) Equity Components [Axis] Net cash used in operating activities Net cash provided by financing activities Net (decrease)/ increase in cash and cash equivalents and restricted cash Cash and cash equivalents and restricted cash at beginning of year Cash and cash equivalents and restricted cash at end of year Cash and cash equivalents and restricted cash Deposited amount Organization [Abstract] Ownership [Axis] Summary of Significant Accounting Policies [Abstract] Long-Lived Tangible Asset [Axis] Statistical Measurement [Axis] Liquidity [Abstract] Concentration of Risks [Abstract] Accounts Receivable [Abstract] Schedule of Accounts Receivable [Abstract] Accounts receivable and allowance for expected credit loss Accounts receivable At the beginning of the year At the end of the period Less: allowance for expected credit loss Inventories [Abstract] Schedule of Inventories [Abstract] Inventories, net Inventories Advance to Suppliers [Abstract] Advance to suppliers, net Advance to suppliers Schedule of Allowance for Doubtful Accounts [Abstract] Balance at beginning of the year Balance at the end of the year Less: Allowance for expected credit losses Other Current And Noncurrent Assets [Abstract] Schedule of Other Current Assets [Abstract] Other current assets Other current assets Balance at beginning of the year Balance at the end of the year Less: Allowance for expected credit losses Asset Class [Axis] Schedule of Other Non-current Assets [Abstract] Other non-current assets Other non-current assets Property, Plant and Equipment, Net [Abstract] Property and equipment, net Property, plant and equipment, net Intangible Assets, Net [Abstract] Net balance as of beginning Net balance as of ending Intangible assets, net Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Estimated Amortization Expenses for the Intangible Assets [Abstract] Long-Term Investments [Abstract] Investment, Name [Axis] Refundable Deposit for Investment [Abstract] Bank Borrowings [Abstract] Total bank borrowings Liability Class [Axis] Accrued Expenses and Other Liabilities [Abstract] Total accrued expenses and other liabilities Leases [Abstract] Schedule of Operating Leases [Abstract] Schedule of Future Lease Payments Under Operating Leases [Abstract] Total future lease payment Related Party Transactions [Abstract] Related Party Transaction [Axis] Employee Benefit Expenses [Abstract] Income Taxes [Abstract] Income Tax Jurisdiction [Axis] Schedule of Income Tax Expenses [Abstract] Income tax expenses Income tax expenses Income tax expense Schedule of Effective Tax Rate and the Statutory Income Tax Rate [Abstract] Schedule of Deferred Income Taxes Reflect the Net Tax Effects [Abstract] Deferred tax assets, net Tax Period [Axis] Restricted Net Assets [Abstract] Loss Per Share [Abstract] Loss per share attributable to ordinary shareholders of the Company’s shareholders * Schedule of Basic and Diluted Earnings Per Share [Abstract] Commitments and Contingencies [Abstract] Total Lease Contractual Term [Axis] Subsequent Events [Abstract] Unaudited Condensed Financial Information of the Parent Company [Abstract] ASSETS Current assets: Cash and cash equivalents Restricted cash Contract Assets Amount due from related parties Non-current assets: Operating lease right-of-use assets, net Long-term investments Long-term investments, Total Refundable deposit for investment LIABILITIES AND EQUITY Current liabilities: Bank borrowings Long-term bank borrowing, current portion Accounts payable Accrued expenses and other liabilities Income tax payables Advances from customers Operating lease liabilities – current Operating lease liabilities, current Amount due to related parties Non-current liabilities: Operating lease liabilities – non-current Operating lease liabilities, non-current Bank borrowings Commitments and contingencies Commitments and contingencies (in Dollars) Shareholders’ equity: Ordinary shares Ordinary shares, par value (in Dollars per share) Ordinary shares per value (in Dollars per share) Ordinary share par value (in Dollars per share) Ordinary shares, shares authorized (in Shares) Ordinary shares, shares issued (in Shares) Ordinary shares issued Ordinary shares (in Shares) Ordinary shares, shares outstanding (in Shares) Ordinary shares outstanding Ordinary shares outstanding (in Shares) Additional paid-in capital Translation reserve Accumulated deficit Non-controlling interests Net revenues Total net revenues Total revenues amount Operating expenses: Interest income Other income Less: Net loss attributable to non-controlling interests Less: net loss attributable to noncontrolling interest Basic (in Dollars per share and Yuan Renminbi per share) Basic earnings per share (in Dollars per share and Yuan Renminbi per share) Diluted (in Dollars per share and Yuan Renminbi per share) Diluted earnings per share (in Dollars per share and Yuan Renminbi per share) Weighted average shares used in calculating basic and diluted loss per share * Basic (in Shares) Weighted average number of ordinary shares outstanding used in calculating basic earnings per share (in Shares) Diluted (in Shares) Weighted average number of ordinary shares outstanding used in calculating diluted earnings per share (in Shares) Other comprehensive income, net of tax of nil: Foreign currency translation adjustments Issuance of ordinary shares Issuance of ordinary shares (in Shares) Share issued Capital contribution from non-controlling shareholders Other comprehensive income Investment Refund CASH FLOWS FROM OPERATING ACTIVITIES Adjustments to reconcile net loss to net cash used in operating activities: Depreciation and amortization Amortization of right-of-use assets Allowance for expected credit losses Expected credit loss Reversal of loss on impairment of Inventories Changes in operating assets and liabilities: Accounts payables Accrued expenses and other payables Income tax payables Advance from customers Amount due to related parties Commitments and contingent liabilities Operating lease liabilities CASH FLOWS FROM INVESTING ACTIVITIES Proceeds from disposal of property, plant and equipment Received from loans to third parties Received from refundable deposit for investment Repayments of loan from related parties Prepayment Net cash provided by investing activities CASH FLOWS FROM FINANCING ACTIVITIES Capital contribution by non-controlling shareholders Loans received from a third party Proceeds from issuance of ordinary shares Proceeds from short-term bank borrowing Effects of exchange rate changes Supplemental disclosures of non-cash activities: Right-of-use assets obtained in exchange for new operating lease liabilities Issue of share for right-of-use assets Supplemental disclosures cash flow information Income tax payment