Importance

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Abstract

A voltage detecting device includes a plurality of batteries, a plurality of filters each including a resistor and a capacitor, a plurality of discharge circuits each including a resistor, a switch, and a capacitor connected in parallel to the switch, a first voltage detecting circuit that includes a first filter among the plurality of filters and a first discharge circuit among the plurality of discharge circuits and detects voltage of a first battery among the plurality of batteries, a second voltage detecting circuit that includes a second filter among the plurality of filters and a second discharge circuit among the plurality of discharge circuits and detects voltage of a second battery among the plurality of batteries, and a detecting unit that controls the switch and detects disconnection between the battery and the discharge circuit based on outputs of the first and second voltage detecting circuits.

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First Claim