Disclosed are a power source device and a vehicle having increased reliability as backup in the event of a power cut, even when the power of the vehicle is used during a power cut. A power cut backup system (1) comprises: a power source device (3) within a...

An automotive electrical system (ES) for a motor vehicle (MV) comprising an internal combustion engine (ICE), the automotive electrical system (ES) comprising a main electrical power source (MB), an auxiliary electrical power source (AB), safety critical e...