Power-off device, battery and electric device

Abstract

A power-off device, a battery, and an electric device. The power-off device includes: an insulating base, where the insulating base is provided with at least two conductive pieces; and a circuit breaker piece, where the circuit breaker piece is detachably provided on the insulating base; the circuit breaker piece is electrically connected in series to the at least two conductive pieces, so that an assembly formed by the circuit breaker piece and the at least two conductive pieces can transmit electrical energy; and the circuit breaker piece is configured to be capable of cutting off the electrical connection when a preset condition is satisfied.

Dependencies are inferred from the claim text.