Portable Lighting Devices
    2.
    发明申请

    公开(公告)号:US20190029095A1

    公开(公告)日:2019-01-24

    申请号:US16128398

    申请日:2018-09-11

    IPC分类号: H05B37/02

    摘要: A method for increasing battery life in a lighting device powered by a battery source in which an electronic circuit is caused to provide a declining power supply to a light emitting diode (“LED”) as a power profile of the battery source declines.