BATTERY CONTROL SYSTEM AND METHOD, AND ELECTRONIC DEVICE

A battery control system, comprising: a number of battery components used for storing electric energy and supplying power for a load; a number of switch units connected to a number of battery components to form a charge/discharge branch and used for turning on or off the charge/discharge branch where the battery components are located; and a first control unit connected to a number of switch units separately and used for receiving a charge control signal to control the on/off of a number of switch units so that a number of switch units is connected in series to form a serial charge branch, and used for receiving a discharge control signal to control the on/off of a number of switch units so that a number of battery components is connected in parallel to form a parallel discharge branch.