买来的二手电动汽车不带电池，法院认定构成重大误解判决撤销合同

Core Points - The court ruled to annul the second-hand car sales contract due to a significant misunderstanding regarding the vehicle's battery status [1][2][3] - The buyer, Mr. Yao, purchased an electric vehicle for 178,200 yuan but discovered it did not include a battery, which was a rental option requiring an additional monthly fee [1][2] - The seller, Ms. Wang, claimed she informed the platform about the battery's rental status, but this information was not displayed on the transaction platform [2][3] Summary by Sections - Contractual Misunderstanding - The court found that Mr. Yao was misled about the vehicle's battery inclusion, which is a critical component affecting the car's performance and safety [2] - The platform failed to disclose the rental battery information, leading to Mr. Yao's misunderstanding and subsequent contract annulment [2][3] - Seller's Disclosure Obligations - Ms. Wang had informed the platform about the battery's rental status, fulfilling her disclosure obligations [2] - The platform's negligence in presenting this information resulted in liability for the contract's annulment [2][3] - Legal Framework - The ruling was based on Article 147 of the Civil Code of the People's Republic of China, which allows for the annulment of contracts based on significant misunderstandings [3] - The court emphasized that only substantial misunderstandings affecting the contract's foundation warrant legal significance [3]