This present invention relates to the field of A battery assembly configured to be combined with an atomization assembly to form an electronic cigarette, comprising a battery, and the battery including a first battery electrode and a second battery electrode wherein, the battery assembly further includes a first charging electrode electrically connected to the first battery electrode and a second charging electrode electrically connected to the second battery electrode, the first charging electrode extends to an end surface of the battery assembly, the second charging electrode partially or wholly surrounds a side wall of the battery assembly, and both the first charging electrode and the second charging electrode are configured for connecting with an external charger. By implementing the battery assembly of the present invention, the battery assembly and the electronic cigarette with the battery assembly can be directly charged, which makes charging be convenient.