Battery charging method, apparatus, and system

The invention discloses a battery charging method, a battery charging apparatus, and a battery charging system. The method comprises the steps that: the type of a battery is acquired; according to the type of the battery, a charging method matching the type of the battery is selected; and the battery is charged. According to the invention, the battery is identified, and a corresponding charging method is selected for charging, such that a compatibility problem of nickel-metal hydride batteries and lithium batteries is solved. Therefore, the safety of terminal equipment power source management is ensured, and user satisfaction is improved.