Explosion-Proof Valve for a Power Battery and Power Battery

An explosion-proof valve for a power battery includes a main valve body which has at least one gas outlet, a plurality of gas inlets, and a plurality of valve opening units that are respectively disposed in the plurality of gas inlets. At least two of the plurality of gas inlets are each in communication with a one of the at least one gas outlet in an opened state of the respective valve opening units such that at least two gas channels are formed. The at least two of the plurality of gas inlets block communication of the at least two of the plurality of gas inlets with an external environment of the power battery in a closed state of the respective valve opening units.