Method for operating battery, involves activating determined number of energy store modules based on instantaneous charging power or discharging power of battery so as to reduce power loss

摘要

The method involves determining instantaneous current charging power or discharging power of the batteries (1a,1b). The number of energy store modules (2-1-2-n) to be activated is determined based on the instantaneous charging power or discharging power of the battery so as to reduce the power loss. The number of to-be-activated energy store modules is selected and activated, based on the determined number of to-be-activated energy store modules. An independent claim is included for battery.