A state-of-charge cut-off control method, comprising obtaining, in a discharging process of a battery, a net discharge capacity of a first battery cell from being fully charged to current time, wherein the battery comprises at least a first-type battery cell and a second-type battery cell, the first-type battery cell and the second-type battery cell are battery cells with different positive electrode materials, and the first battery cell is any one of the first-type battery cell or the second-type battery cell; obtaining an available capacity of the first battery cell, which may be greater than a nominal capacity, and a state of health, SOH, of the first battery cell; obtaining a current remaining dischargeable capacity of the first battery cell, based on the nominal capacity of the battery, the net discharge capacity of the first battery cell, the available capacity of the first battery cell, and the SOH of the first battery cell, wherein the current remaining dischargeable capacity of the first battery cell is obtained according to the following equation: C 1 = C 0 × SOH − C 0 − C T − C 2, wherein C 1 represents the current remaining dischargeable capacity of the first battery cell; C 0 represents the nominal capacity of the battery; C T represents an available capacity of the first battery cell at a current temperature; C 2 represents the net discharge capacity of the first battery cell; and SOH represents the current SOH of the first battery cell, ranging from 0% to 100%; and when a sum of the current remaining dischargeable capacity of the first battery cell and the net discharge capacity of the first battery cell is greater than or equal to the nominal capacity of the battery, displaying a state of charge, SOC, of the first battery cell to 0 when the net discharge capacity of the first battery cell is equal to the nominal capacity of the battery. obtaining, in a discharging process of a battery, a net discharge capacity of a first battery cell from being fully charged to current time, wherein the battery comprises at least a first-type battery cell and a second-type battery cell, the first-type battery cell and the second-type battery cell are battery cells with different positive electrode materials, and the first battery cell is any one of the first-type battery cell or the second-type battery cell; obtaining an available capacity of the first battery cell, which may be greater than a nominal capacity, and a state of health, SOH, of the first battery cell; obtaining a current remaining dischargeable capacity of the first battery cell, based on the nominal capacity of the battery, the net discharge capacity of the first battery cell, the available capacity of the first battery cell, and the SOH of the first battery cell, wherein the current remaining dischargeable capacity of the first battery cell is obtained according to the following equation: C 1 = C 0 × SOH − C 0 − C T − C 2, wherein C 1 represents the current remaining dischargeable capacity of the first battery cell; C 0 represents the nominal capacity of the battery; C T represents an available capacity of the first battery cell at a current temperature; C 2 represents the net discharge capacity of the first battery cell; and SOH represents the current SOH of the first battery cell, ranging from 0% to 100%; and when a sum of the current remaining dischargeable capacity of the first battery cell and the net discharge capacity of the first battery cell is greater than or equal to the nominal capacity of the battery, displaying a state of charge, SOC, of the first battery cell to 0 when the net discharge capacity of the first battery cell is equal to the nominal capacity of the battery. wherein C 1 represents the current remaining dischargeable capacity of the first battery cell; C 0 represents the nominal capacity of the battery; C T represents an available capacity of the first battery cell at a current temperature; C 2 represents the net discharge capacity of the first battery cell; and SOH represents the current SOH of the first battery cell, ranging from 0% to 100%; and when a sum of the current remaining dischargeable capacity of the first battery cell and the net discharge capacity of the first battery cell is greater than or equal to the nominal capacity of the battery, displaying a state of charge, SOC, of the first battery cell to 0 when the net discharge capacity of the first battery cell is equal to the nominal capacity of the battery.