Portable Vehicle Battery Jump Start Apparatus With Safety Protection

    公开(公告)号:US20250115143A1

    公开(公告)日:2025-04-10

    申请号:US18983595

    申请日:2024-12-17

    Abstract: A hand held, portable jump starter device includes a housing having a multi-cell rechargeable battery including at least three battery cells connected in series, a USB input port for receiving a charging current from an external source to recharge the multi-cell rechargeable battery, and an output port for providing jump starting current to an external vehicle; a USB charge circuit connected to the USB input port, the USB charge circuit including a DC-to-DC converter circuit for upconverting an input voltage on the USB input port to a higher charging voltage for recharging the multi-cell rechargeable battery; a pair of series connected transistor devices coupled between the USB charge circuit and the multi-cell rechargeable battery for controlling current flow into and out of the multi-cell rechargeable battery; a control circuit for detecting the voltage of the multi-cell rechargeable battery and configured to turn off the USB charge circuit to prevent over charging of the multi-cell rechargeable battery if the detected voltage exceeds a threshold value; and a battery charge controller coupled to the multi-cell rechargeable battery and the pair of series connected transistor devices and configured to prevent over discharging of the multi-cell rechargeable battery.

    Battery Clamp Device
    42.
    发明公开

    公开(公告)号:US20240258721A1

    公开(公告)日:2024-08-01

    申请号:US18630025

    申请日:2024-04-09

    CPC classification number: H01R11/24 H01R4/183 H01R4/30 H01R11/281 H01R11/282

    Abstract: A battery clamp is provided that includes a first inner metal battery clamp member having a handle portion and a clamp portion, a second inner metal battery clamp member having a handle portion and a clamp portion, a pivot pin pivotally connecting the first inner metal battery clamp member to the second inner metal battery clamp member, a first outer insulating battery clamp member having a handle portion and a clamp portion connected to the first inner metal battery clamp, and a second outer insulating battery clamp member having a handle portion and a clamp portion connected to the second inner metal battery clamp, the first outer insulating battery clamp member or the second outer insulating battery clamp member including a protective cover section covering an end of the pivot pin

    BATTERY CLAMP DEVICE
    46.
    发明申请

    公开(公告)号:US20220181806A1

    公开(公告)日:2022-06-09

    申请号:US17594413

    申请日:2020-04-13

    Abstract: A battery clamp having a first inner metal battery clamp member having a handle portion and a clamp portion, a second inner metal battery clamp member having a handle portion and a clamp portion, a first outer insulating battery clamp member having a handle portion and a clamp portion connected to the first inner metal battery clamp, and a second outer insulating battery clamp member having a handle portion and a clamp portion connected to the second inner metal battery clamp. The first inner metal battery clamp member and/or the second inner metal battery clamp member having an inclined connection plate for connection with a battery cable, the inclined connect plate configured to allow a user to access the inclined access plate with a tool while avoiding interference with the handle portions of the battery clamp.

    BATTERY CLAMP DEVICE
    47.
    发明申请

    公开(公告)号:US20220181805A1

    公开(公告)日:2022-06-09

    申请号:US17594411

    申请日:2020-04-13

    Abstract: A battery clamp having a first inner metal battery clamp member having a handle portion and a clamp portion, a second inner metal battery clamp member having a handle portion and a clamp portion, a first outer insulating battery clamp member having a handle portion and a clamp portion connected to the first inner metal battery clamp, and a second outer insulating battery clamp member having a handle portion and a clamp portion connected to the second inner metal battery clamp. The first inner metal battery clamp member and/or the second inner metal battery clamp member having a battery cable connector configured to allow a user to access the battery cable connector with the user's fingers or a tool while avoiding interference with the handle portions of the battery clamp.

    BATTERY CLAMP DEVICE
    50.
    发明申请

    公开(公告)号:US20200335887A1

    公开(公告)日:2020-10-22

    申请号:US16846600

    申请日:2020-04-13

    Abstract: A battery clamp having a first inner metal battery clamp member having a handle portion and a clamp portion, a second inner metal battery clamp member having a handle portion and a clamp portion, a first outer insulating battery clamp member having a handle portion and a clamp portion connected to the first inner metal battery clamp, and a second outer insulating battery clamp member having a handle portion and a clamp portion connected to the second inner metal battery clamp. The first inner metal battery clamp member and/or the second inner metal battery clamp member having a battery cable connector configured to allow a user to access the battery cable connector with the user's fingers or a tool while avoiding interference with the handle portions of the battery clamp.

Patent Agency Ranking