Information providing device, information providing server, vehicle assistance system, navigation device, and charging cable

It is an object to provide a system for assisting a vehicle on the edge of battery exhaustion. An information providing device includes: an information acquiring part for acquiring the current location of a vehicle and the amount of power stored in a power storage unit of the vehicle from a plurality of vehicles; a vehicle selecting part for selecting one or more vehicles as available vehicles for power supply from the plurality of vehicles based on the respective current locations and the amounts of stored power of the plurality of vehicles, the one or more vehicles to be selected being capable of supplying charging power to a target vehicle requiring charge of its power storage unit; and a notifying part for notifying of an available vehicle for power supply selected by the vehicle selecting part.