Introduction Electric bicycles have rapidly gained popularity as a sustainable and efficient mode of transportation. According to statistics, the global electric bicycle market is projected to reach $120 billion in 2023, with a continued annual growth rate of 10% over the coming years. Electric bicycles not only reduce carbon emissions and improve air quality but also save energy and enhance travel efficiency. In this comprehensive exploration, we delve into the core of electric bicycles, dissecting the fundamental components that drive their functionality: the battery, motor, and control system. Battery: Energy Core The battery serves as the cornerstone of electric bicycles, functioning as the energy reservoir that powers the entire system. This section delves into the overall role and significance of the battery, shedding light on various battery types, with a particular focus on lithium-ion batteries. We explore their unique characteristics and overarching advantages. By unvei...