Battery pack
AssigneeGlobe (Jiangsu) Co., Ltd.
InventorChuntao Lu
Life of this patent
Estimating the term…
Abstract
A battery pack includes a case, a first set of battery cells and a second set of battery cells received in the case, a circuit board, and a main power output interface. The first set of battery cells and the second set of battery cells can be connected in series or in parallel, and output two kinds of working voltage through the main power output interface. The battery pack further includes an extended power output interface and a switch provided between the first set of battery cells and the second set of battery cells. The battery pack can output a third voltage for an external device through the extended power output interface when the first set of battery cells and the second set of battery cells are connected in series through the switch. It's safe and reliable when charging the external device.
Claims15
A battery pack comprising:
- a case;
- a first set of battery cells and a second set of battery cells received in the case;
- a main power output interface configured to mechanically and electrically couple with tools of different operating voltage;
- an extended power output interface configured to supply power for an external device;
- and
- a switch electrically connected with the first set of battery cells and the second set of battery cells;
- wherein when the first set of battery cells and the second set of battery cells are connected in parallel, the main power output interface outputs a first operating voltage,
- when the first set of battery cells and the second set of battery cells are connected in series, the main power output interface outputs a second operating voltage, the second operating voltage is higher than the first operating voltage, and
- when the switch is closed, the extended power output interface is configured to output a third operating voltage.
A battery pack comprising:
- a case;
- a first set of battery cells and a second set of battery cells received in the case;
- a main power output interface configured to mechanically and electrically couple with tools of different operating voltage;
- an extended power output interface configured to supply power for an external device;
- and
- a cover being movable relative to the extended power output interface,
- wherein when the cover is opened, the extended power output interface is exposed and when the cover is closed, the extended power output interface is covered;
- wherein when the first set of battery cells and the second set of battery cells are connected in parallel, the main power output interface outputs a first operating voltage,
- when the first set of battery cells and the second set of battery cells are connected in series, the main power output interface outputs a second operating voltage, the second operating voltage is higher than the first operating voltage, and
- when the cover is opened, the extended power output interface is configured to output a third operating voltage.
A battery pack comprising:
- a case;
- a first set of battery cells and a second set of battery cells received in the case;
- a first power interface configured to mechanically and electrically couple with tools of different operating voltage;
- a second power interface configured to supply power for an external device;
- wherein when the first set of battery cells and the second set of battery cells are connected in parallel, the first power interface outputs a first operating voltage,
- when the first set of battery cells and the second set of battery cells are connected in series, the first power interface outputs a second operating voltage, the second operating voltage is higher than the first operating voltage,
- wherein the second power interface is configured to output a third operating voltage, and the second power interface is different with the first power interface in size and shape.
Dependencies are inferred from the claim text.