A battery cell, wherein the battery cell comprises an electrode assembly, a housing, and a first electrode terminal; the housing comprises an accommodation cavity, the electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing; the electrode assembly comprises a first electrode plate and a second electrode plate; the first electrode plate comprises a first current collector, a first active material layer, and an insulation layer; the first current collector comprises a first body portion and a first tab extending from the first body portion, the first active material layer is at least partially coated on a surface of the first body portion, and the first tab protrudes out of the first body portion and is electrically connected with the first electrode terminal; and the insulation layer is at least partially coated on a surface of the first tab, and an elastic modulus of the insulation layer is less than an elastic modulus of the first tab; wherein the insulation layer comprises a first part and a second part; the first part is coated on the surface of the first body portion and connected to an end of the first active material layer, the end being close to the first tab; and the second part extends from an end of the first part and is coated on the surface of the first tab, the end being away from the first active material layer; wherein the second electrode plate comprises a second current collector and a second active material layer, and the second current collector comprises a second body portion and a second tab extending from the second body portion; the second active material layer is coated on a surface of the second body portion, and the second tab protrudes out of the second body portion; wherein the second electrode plate further comprises a third active material layer, and the third active material layer is coated on a surface of the second tab and connected to the second active material layer; the first tab and the second tab are located on an identical side of the electrode assembly; and along a direction pointing to the first tab from the first body portion, an end of the third active material layer, which is away from the second active material layer, goes beyond the end of the first part, which is away from the first active material layer. the housing comprises an accommodation cavity, the electrode assembly is accommodated in the accommodation cavity, and the first electrode terminal is disposed in the housing; the electrode assembly comprises a first electrode plate and a second electrode plate; the first electrode plate comprises a first current collector, a first active material layer, and an insulation layer; the first current collector comprises a first body portion and a first tab extending from the first body portion, the first active material layer is at least partially coated on a surface of the first body portion, and the first tab protrudes out of the first body portion and is electrically connected with the first electrode terminal; and the insulation layer is at least partially coated on a surface of the first tab, and an elastic modulus of the insulation layer is less than an elastic modulus of the first tab; wherein the insulation layer comprises a first part and a second part; the first part is coated on the surface of the first body portion and connected to an end of the first active material layer, the end being close to the first tab; and the second part extends from an end of the first part and is coated on the surface of the first tab, the end being away from the first active material layer; wherein the second electrode plate comprises a second current collector and a second active material layer, and the second current collector comprises a second body portion and a second tab extending from the second body portion; the second active material layer is coated on a surface of the second body portion, and the second tab protrudes out of the second body portion; wherein the second electrode plate further comprises a third active material layer, and the third active material layer is coated on a surface of the second tab and connected to the second active material layer; the first tab and the second tab are located on an identical side of the electrode assembly; and along a direction pointing to the first tab from the first body portion, an end of the third active material layer, which is away from the second active material layer, goes beyond the end of the first part, which is away from the first active material layer.