Safety and excellent quality. Haisida lithium battery is of excellent quality, mainly made of lithium cobaltate, lithium manganate, lithium nickelate and ternary materials. It has eight technical advantages, including long life, better cold resistance and longer mileage. Among them, the cycle life has been increased by 20%, and it has been charged for more than 1000 times, which ensures its quality to some extent. Moreover, the high-performance special BMS battery management module is adopted, which has the protection functions of voltage, current and temperature, and improves the safety.