Battery Safety is a critical aspect of electric vehicle design, it ensures the safe operation of the vehicle and protects against potential hazards. The battery management system (BMS) is an essential component of battery security, it monitors and controls the state of charge, temperature, and other parameters of the battery pack. This ensures the battery operates within safe limits, extending its life and preventing damage. Thermal management systems are designed to dissipate heat generated by the battery, it helps to prevent thermal runaway, a reaction that can cause a fire or explosion. Other important aspects of battery security include the use of robust and reliable battery cell designs, high-quality materials and manufacturing processes and strict quality control procedures. Battery security is a complex and multi-disciplinary field requiring a comprehensive approach to ensure the safe and reliable operation of electric vehicles.