Battery charging method and battery charging apparatus employing the same

A method of charging a battery, wherein the battery comprises a plurality of battery cells, includes charging the battery with a first voltage for a first time period, which charging is first charging, charging the battery with a second voltage for a second time period, which charging is second charging, and charging the battery with a third voltage for a third time period, which charging is thirdcharging, wherein lengths of the first to third time periods are determined in correspondence with a magnitude of charging current of the battery. 提供了种对电池充电的方法和采用该方法的电池充电设备，其中，电池包括多个电池单元，该电池充电方法包括：在第时间段用第电压对电池充电，本次充电是第次充电；在第二时间段用第二电压对电池充电，本次充电是第二次充电；在第三时间段用第三电压对电池充电，本次充电是第三次充电，其中，对应于电池的充电电流的幅值来确定第时间段至第三时间段的长度。