SMT-S11S60M-SMTV1.1 is a power battery protection panel customized for 11 series lithium titanate batteries. The software scheme is adopted in this scheme, which can realize the protection functions of over charge protection, over discharge protection, over temperature protection, over-current protection, short circuit protection and so on. Dry contact fan interface can switch fan according to the set temperature, with can communication interface, and can communicate with other terminal equipment to transmit relevant real-time data.