When the battery health of the Apple device is lower than 80%, the system will prompt to replace the battery. If the battery health is 50%, it means that the battery has aged, and the following situations may occur:
1, the battery life is shortened, the battery capacity is reduced, and the battery life is obviously shortened.
2, performance degradation, battery aging may lead to equipment performance degradation, such as slow running speed, stuck, etc.
3, unexpected shutdown, battery aging may lead to unexpected shutdown of the equipment during use.
4, security risks, battery aging may lead to battery expansion, leakage and other security risks. For reference only.