The battery of Ning Xiaodian's intelligent parking air conditioner adopts high-quality battery cells from CATL and a high-performance BMS battery management system. Catl's battery cell production technology is advanced, with good consistency, long service life and high safety. It has long been highly praised by the industry. The Ningxiaodian high-performance BMS management system is equipped with a 4G module as standard, enabling intelligent networking and cloud platform information data storage. It supports remote OTA upgrades and GPS positioning, and features comprehensive battery protection functions such as overcharging, overdischarging, overcurrent, over-temperature, and short circuit. Meanwhile, the management control system supports special scenario requirements such as low-temperature heating, scheduled heating, and one-click strong start. The battery system supports multiple scenarios such as truck starting, ignition, parking air conditioning and domestic power supply, with a wide temperature range from -30 ° C to 60 ° C, providing comprehensive power supply services for truck drivers.