Abstract: A battery pack for an electric vehicle, the battery pack including a battery housing; a general battery management system (general BMS) disposed in the battery housing; and a plurality of battery modules disposed in the battery housing, each battery module of the plurality of battery modules including a plurality of battery cells; and a module board including a module battery management system (module BMS) communicatively connected to the general BMS, the module BMS including sensors for sensing an operating condition of the plurality of battery cells; and an integrated current collector disposed within the battery module, the integrated current collector electrically coupling the battery cells together. A method for managing a battery pack of an electric vehicle, the battery pack including the general BMS operatively connected to the battery modules, each battery module including the module BMS, the method being executed by the general BMS.