The invention discloses a battery pack for a golf cart. The battery pack comprises a cavity for containing a battery, a port assembly is arranged on the cavity and comprises a charging port, an output port and a lifting handle assembly, and the lifting handle assembly is a cam mechanism used for controlling connection and disconnection between the output port and a power interface as well as closure and openness of the charging port. By means of the mode, connection and disconnection of the battery output port, closure and openness of the charging port and ejection and retraction of locking pins are achieved through the lifting handle assembly, and the battery pack and a main circuit of the golf cart are automatically disconnected during charging. The battery pack for the golf cart is compact in structure and convenient and fast to use and meanwhile has an effect waterproof effect.