A cell includes an electrode assembly, a first tab, a second tab, and a packaging member. The first tab and the second tab are respectively connected to the electrode assembly. The first tab and the second tab are located on the same side of the electrode assembly. The packaging member includes an electrode assembly accommodating portion and a tab packaging portion in communication with the electrode assembly accommodating portion. The tab packaging portion extends away from the electrode assembly accommodating portion in a first direction. A size of the tab packaging portion is smaller than that of the electrode assembly accommodating portion in a second direction. The first tab and the second tab are provided with a bending portion extending in a thickness direction of the electrode assembly. The electrode assembly is accommodated in the electrode assembly accommodating portion. The bending portions are accommodated in the tab packaging portion.