BMS solution by Joyson-Preh adopts AUTOSAR architecture design to achieve stronger performance and lower power consumption, and strictly follows the requirements of ISO26262 standard in terms of functional safety. In terms of ensuring the safety of power batteries and improving battery life, Preh has the R&D and manufacturing capabilities of BMS for full-voltage platforms such as 12V, 48V, 400V and 800V, and can provide high-quality products for car makers. Furthermore, Preh has become the main BMS supplier of BMW, Mercedes-Benz, Volkswagen, etc. The mass-produced BMS have the functions such as high-precision parameter monitoring, critical state estimation, and cell balance, enabling them to maintain good battery system safety under different operating conditions. In Chinese market, the highly automated BMS production lines were successfully put into operation in Ningbo, Zhejiang Province in 2017.