A battery balancing method for balancing the health of multiple batteries, comprising the following steps: obtaining historical energy replenishment information for a plurality of batteries, wherein the historical energy replenishment information comprises a fast charging use degree and/or a slow charging use degree, wherein the obtaining the historical energy replenishment information of the battery comprises: obtaining the historical energy replenishment information from a cloud server; judging whether the fast charging use degree and/or the slow charging use degree is higher than a corresponding set value for a battery of the plurality of batteries, and determining an energy replenishment strategy of the battery according to the judgment result, wherein the determining an energy replenishment strategy at least comprises: determining an energy replenishment mode to be adopted as fast charging, slow charging or battery replacement; and performing energy replenishment scheduling according to the energy replenishment strategy for the battery, wherein the energy replenishment scheduling comprises scheduling of the battery and/or guidance to a user using the battery; wherein the energy replenishment scheduling comprises: performing scheduling on the battery based on the cloud and/or guiding the user based on the cloud; wherein the judging whether the fast charging use degree and/or the slow charging use degree is higher than a corresponding set value for a battery of the plurality of batteries, and determining an energy replenishment strategy of the battery according to the judgment result comprising: when the slow charging use degree of the battery is higher than the target value of the slow charging use degree or the fast charging use degree of the battery is lower than the target value of the fast charging use degree, determining the energy replenishment mode to be adopted by the battery as a fast charging mode, and when the fast charging use degree of the battery is higher than the target value of the fast charging use degree or the slow charging use degree of the battery is lower than the target value of the slow charging use degree, determining the energy replenishment mode to be adopted by the battery as a slow charging mode, so that the states of health of the plurality of batteries be balanced to be basically consistent. obtaining historical energy replenishment information for a plurality of batteries, wherein the historical energy replenishment information comprises a fast charging use degree and/or a slow charging use degree, wherein the obtaining the historical energy replenishment information of the battery comprises: obtaining the historical energy replenishment information from a cloud server; judging whether the fast charging use degree and/or the slow charging use degree is higher than a corresponding set value for a battery of the plurality of batteries, and determining an energy replenishment strategy of the battery according to the judgment result, wherein the determining an energy replenishment strategy at least comprises: determining an energy replenishment mode to be adopted as fast charging, slow charging or battery replacement; and performing energy replenishment scheduling according to the energy replenishment strategy for the battery, wherein the energy replenishment scheduling comprises scheduling of the battery and/or guidance to a user using the battery; wherein the energy replenishment scheduling comprises: performing scheduling on the battery based on the cloud and/or guiding the user based on the cloud; wherein the judging whether the fast charging use degree and/or the slow charging use degree is higher than a corresponding set value for a battery of the plurality of batteries, and determining an energy replenishment strategy of the battery according to the judgment result comprising: when the slow charging use degree of the battery is higher than the target value of the slow charging use degree or the fast charging use degree of the battery is lower than the target value of the fast charging use degree, determining the energy replenishment mode to be adopted by the battery as a fast charging mode, and when the fast charging use degree of the battery is higher than the target value of the fast charging use degree or the slow charging use degree of the battery is lower than the target value of the slow charging use degree, determining the energy replenishment mode to be adopted by the battery as a slow charging mode, so that the states of health of the plurality of batteries be balanced to be basically consistent.