A system for verification of a battery (100) includes the battery (100) and a device (400,500). The battery (100) includes a memory device (135) for storing an identification number and a verification number. The verification number is generated by applying a key to the identification number. The device (400,500) is coupled to the battery (100) and includes a device memory (515) for storing the key and a microprocessor (435,510) for verifying the identification number of the battery (100) by applying the key to the verification number.