Intelligent trailer system The smart trailer systems powered by a high-performance smart battery system increases the range of electric vehicles and improve road safety. System introduction: oBuilt-in power supply and air cooling system, capable of fire protection. oHigh energy density system up to 220 Wh/kg. oMaintenance-free engine. oModular system design, which is configurable according to customers' needs. oVehicle management system (VMS), which assists driving and parking, and improves driving and road safety. oE-axel intelligent spindle, which is configurable according to customers' needs. oSimulation driving system with built-in IMU (inertial measurement unit) and based on advanced drone autopilot technology, which can be remotely controlled via smartphone APP.