The Volvo em90 battery has strict safety standards and quality control, has been tested and certified several times, and has comprehensive safety protection measures. The battery uses high-quality materials and technology, and has the characteristics of high energy density, long life, and fast charging. In addition, it has a variety of built-in protection and monitoring systems, such as overcurrent protection, overvoltage protection, overtemperature protection, etc., which can effectively avoid overheating, overcharging or overdischarge of the battery to ensure the safety and reliability of the battery. Therefore, the Volvo em90 battery is safe and reliable.