Power battery power switching method and device and vehicle

The invention relates to the technical field of power batteries, in particular to a power battery power switching method and device and a vehicle, and the method comprises the steps: obtaining the actual discharge power and the minimum monomer voltage of a power battery; performing time integration on the actual discharge power to obtain actual discharge energy, and determining a target discharge power table of the power battery according to the actual discharge energy and the minimum single voltage; and switching the maximum allowable discharge power of the power battery according to the target discharge power table. Therefore, the problems of insufficient dynamic property, incapability of coping with complex working conditions, dynamic property waste and the like when power meters are switched in a timing mode in the related technology are solved. 本申请涉及动力电池技术领域，特别涉及一种动力电池功率切换方法、装置及车辆，其中，方法包括：获取动力电池的实际放电功率和最低单体电压；对实际放电功率的时间积分得到实际放电能量，根据实际放电能量和最低单体电压确定动力电池的目标放电功率表；按照目标放电功率表切换动力电池的最大允许放电功率。由此，解决了相关技术中通过计时方式进行功