US Patent 10177560 Battery monitoring device

A battery monitoring device is configured to include a monitoring unit that monitors a state of a battery, an interrupter that interrupts a power supply to a load, and another interrupter that interrupts a power supply to the interrupter, wherein the monitoring unit controls an operation of the interrupter such that a power supply to the load is interrupted, and controls an operation of the other interrupter such that a power supply to the interrupter is interrupted.