An apparatus is provided comprising a system including one or more electronic components; a power input unit arranged to supply power to the system; and a power management module configured to: detect whether the system is in an abnormal state, and in response to detecting that the system is in the abnormal state, adjust at least one of (i) power supplied from a battery to the system, (ii) the power supplied from the power input unit to the system, and (iii) power supplied from the power input unit to the battery.