本次设计将通过一个典型的势力介绍51单片机在实现手机电池充电器方面的应用。设计所实现的充电器是一种智能充电器，它在单片机的控制下，具有预充、充电保护、自动断电和充电完成报警提示功能。-This design will be introduced through a typical force in the realization of 51 single-chip mobile phone battery charger applications. Designed to achieve the charger is a smart charger, which under the control of the microcontroller, with pre-charge, charge protection, automatic power-off and charging to complete the alarm prompt function.