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Summary of Significant Accounting Policies - Property, plant and equipment, net (Details) | Dec. 31, 2025
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Buildings and constructions |
Summary of Significant Accounting Policies |
Useful lives | 20 years
Production facilities | Minimum |
Summary of Significant Accounting Policies |
Useful lives | 3 years
Production facilities | Maximum |
Summary of Significant Accounting Policies |
Useful lives | 10 years
Charging and power swap infrastructure | Minimum |
Summary of Significant Accounting Policies |
Useful lives | 5 years
Charging and power swap infrastructure | Maximum |
Summary of Significant Accounting Policies |
Useful lives | 8 years
R&D equipment | Minimum |
Summary of Significant Accounting Policies |
Useful lives | 5 years
R&D equipment | Maximum |
Summary of Significant Accounting Policies |
Useful lives | 15 years
Computer and electronic equipment | Minimum |
Summary of Significant Accounting Policies |
Useful lives | 3 years
Computer and electronic equipment | Maximum |
Summary of Significant Accounting Policies |
Useful lives | 5 years
Purchased software | Minimum |
Summary of Significant Accounting Policies |
Useful lives | 1 year
Purchased software | Maximum |
Summary of Significant Accounting Policies |
Useful lives | 5 years
Leasehold improvements | Minimum |
Summary of Significant Accounting Policies |
Useful lives | 1 year
Leasehold improvements | Maximum |
Summary of Significant Accounting Policies |
Useful lives | 10 years
Vehicles for corporate use or customers' subscription |
Summary of Significant Accounting Policies |
Useful lives | 5 years
Others (office equipment, after-sales equipment, etc.) | Minimum |
Summary of Significant Accounting Policies |
Useful lives | 3 years
Others (office equipment, after-sales equipment, etc.) | Maximum |
Summary of Significant Accounting Policies |
Useful lives | 5 years

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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