Summary of Significant Accounting Policies - Summary of Property and Equipment Estimated Useful Lives (Details) |
Dec. 31, 2025 |
|---|---|
| Machinery and Equipment | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 5 years |
| EV Chargers | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 5 years |
| Office and Electronic Equipment | Minimum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 3 years |
| Office and Electronic Equipment | Maximum | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 5 years |
| Software | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 10 years |
| Leasehold Improvements | |
| Property, Plant and Equipment [Line Items] | |
| Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration] | us-gaap:UsefulLifeShorterOfTermOfLeaseOrAssetUtilityMember |
| Vehicle | |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful lives | 5 years |