Multi-rate constant voltage battery charger with display
    1.
    发明授权
    Multi-rate constant voltage battery charger with display 失效
    多速恒压电池充电器

    公开(公告)号:US5172044A

    公开(公告)日:1992-12-15

    申请号:US660001

    申请日:1991-02-25

    IPC分类号: G01R31/36 H02J7/00

    CPC分类号: H02J7/008 G01R31/3682

    摘要: A voltage setting value for charging a battery starts from a first constant voltage level less than a full battery voltage and after a period of time the battery voltage reaches that first level and the charging current begins to decrease. The charging current decrease is detected and the voltage value is increased to a next constant voltage level and the process is repeated until the constant voltage level is reached that equals the full battery voltage. Each time the voltage level is changed the corresponding percentage of the battery voltage is displayed to represent the charging amount.