A macroscopic electrochemical–mechanical model was developed to predict the various power demands of an electric scooter and other outputs, such as the Li-ion battery pack current and voltage requirements for a randomly generated drive cycle using the Matlab-based Simulink software. The simulation results obtained were compared with the actual field test results of a commercial lead-acid battery pack used in a specific electric scooter. The simulation results appeared to give a realistic idea of the dynamic performance of a conceptual Li-ion battery pack in a typical drive pattern. These results, though, need to be validated in an actual field test.