Storage battery mounting assembly and electric bicycle

The utility model discloses a storage battery mounting assembly and an electric bicycle, and relates to the technical field of electric vehicles. The storage battery installation assembly comprises a seat cask and a storage battery assembly, the seat cask is provided with a containing cavity used for containing the storage battery assembly, a first supporting part and a second supporting part are arranged in the containing cavity, the second supporting part is arranged above the first supporting part, and the first supporting part and the second supporting part are used for supporting the storage battery assemblies of different specifications respectively. Storage batteries of different specifications can be installed in a matched mode, and the mold development cost is reduced. 本申请公开了一种蓄电池安装组件及电动自行车，涉及电动车技术领域。蓄电池安装组件包括座桶以及蓄电池组件，座桶具有用于容置蓄电池组件的容置腔室，容置腔室内具有第一支撑部和第二支撑部，第二支撑部设置在第一支撑部上方，第一支撑部和第二支撑部分别用于支撑不同规格的蓄电池组件。其能够适配安装不同规格的蓄电池，减少模具开发成本。