The endurance of a lithium-ion battery is one of the important indicators to measure its performance. It directly affects the use time of electronic products, and for mobile devices such as smartphones and laptops, the battery life is directly related to the user's daily use experience. So, what exactly is the endurance of lithium-ion batteries related to?
1.Battery capacity: Battery capacity refers to the amount of electrical energy that a battery can release when it is fully charged, measured in mAh (milliampere-hours). The larger the battery capacity, the longer the battery will theoretically last. Therefore, when buying a lithium-ion battery, you can pay attention to its capacity parameters and choose the battery that suits your needs. 
2.Energy density: Energy density refers to the amount of energy stored in a battery per unit volume or weight, measured in wh l (watt-hour liters) or wh kg (watt-hour kilograms). The higher the energy density, the greater the battery life. At present, the energy density of lithium-ion batteries has made great breakthroughs, but they are still limited by materials and technology.
3.Number of charges: The lifespan of a lithium-ion battery is closely related to the number of times it is charged. Each charge causes a certain degree of loss in the chemical reactions inside the battery, which reduces the energy density and endurance of the battery. Therefore, proper charge and discharge management is essential to extend battery life and improve battery life. 
4.Temperature: The operating temperature of a lithium-ion battery has a big impact on its range. Generally speaking, when the temperature is low, the internal resistance of the battery increases, and the discharge efficiency decreases, resulting in a decrease in endurance; When the temperature is high, the stability of the electrolyte decreases, which may lead to short circuit or even thermal runaway inside the battery, which affects the safety and endurance of the battery. Therefore, extreme temperature environments should be avoided as much as possible when using lithium-ion batteries.
5.Device power consumption: The autonomy of a lithium-ion battery is also affected by the power consumption of the device it drives. The higher the power consumption of the device, the greater the energy consumption on the battery, and the corresponding reduction in battery life. Therefore, choosing a low-power device or properly managing the power consumption of the device can help improve the battery life. 
6.Battery management system: An excellent battery management system can effectively balance the charging and discharging process of the battery, improve the efficiency and safety of the battery, and thus prolong the battery life. Modern lithium-ion batteries are often equipped with advanced battery management systems to achieve optimal performance.
In summary, the endurance of lithium-ion batteries is affected by a variety of factors, including battery capacity, energy density, number of charges, temperature, device power consumption, and battery management system. When buying and using lithium-ion batteries, you should consider these factors comprehensively and choose the product and usage method that suits you to get the best battery life experience.