The 48V start-stop lithium battery is Camel‘s nano-scale lithium iron phosphate battery, which is superior to the existing lithium battery technology. It has set new performance indicators for 48V micro hybrid vehicle applications. The safety level of this system is ASIL B, and the maximum discharge can reach 40C. The system has a special thermal management design, and the internal temperature difference can reach 5 ℃. It cooperates with the vehicle's 48V system to accurately realize start-stop, power generation, electric starting assistance, and braking energy recovery, achieving a good fuel-saving effect and a comfortable driving experience.