Rechargeable battery pack
First Claim
1. A rechargeable battery pack attachable to a power tool, the rechargeable battery pack comprising:
- a rechargeable battery;
a display element provided in such a manner that a lighted state thereof can be confirmed from outside;
a remaining capacity detection device that detects a remaining capacity of the rechargeable battery;
a remaining capacity display control device that displays the remaining capacity detected by the remaining capacity detection device by controlling the lighted state of the display element;
an abnormality detection device that detects an abnormality of the rechargeable battery;
a determination device that determines whether or not an operation switch of the power tool has been operated when the rechargeable batter sack is attached to the power tool; and
an abnormality display control device that displays the abnormality of the rechargeable battery, even when the determination device determines that the operation switch of the power tool has been operated, detected by the abnormality detection device by controlling the lighted state of the display element to an abnormality display state, which is different from a remaining capacity display state controlled by the remaining capacity display control device.
1 Assignment
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Accused Products
Abstract
A rechargeable battery pack attachable to a power tool includes a display element, a remaining capacity detection device, a remaining capacity display control device, an abnormality detection device, and an abnormality display control device. The display element is provided such that a lighted state thereof can be confirmed from outside. The remaining capacity detection device detects a remaining capacity of a rechargeable battery. The remaining capacity display control device displays the remaining capacity detected by the remaining capacity detection device by controlling the lighted state of the display element. The abnormality detection device detects an abnormality of the rechargeable battery. The abnormality display control device displays the abnormality of the rechargeable battery detected by the abnormality detection device by controlling the lighted state of the display element to an abnormality display state, which is different from a remaining capacity display state controlled by the remaining capacity display control device.
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Citations
8 Claims
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1. A rechargeable battery pack attachable to a power tool, the rechargeable battery pack comprising:
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a rechargeable battery; a display element provided in such a manner that a lighted state thereof can be confirmed from outside; a remaining capacity detection device that detects a remaining capacity of the rechargeable battery; a remaining capacity display control device that displays the remaining capacity detected by the remaining capacity detection device by controlling the lighted state of the display element; an abnormality detection device that detects an abnormality of the rechargeable battery; a determination device that determines whether or not an operation switch of the power tool has been operated when the rechargeable batter sack is attached to the power tool; and an abnormality display control device that displays the abnormality of the rechargeable battery, even when the determination device determines that the operation switch of the power tool has been operated, detected by the abnormality detection device by controlling the lighted state of the display element to an abnormality display state, which is different from a remaining capacity display state controlled by the remaining capacity display control device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification