Information providing system

An information providing system comprising a supplementing target device configured to receive a supply of power, and a server configured to provide information for supplying power to the supplementing target device,

• wherein the supplementing target device comprises:
• a power calculating unit configured to calculate maximum required power of a peripheral device of the supplementing target device;
• an air temperature acquiring unit configured to acquire past air temperature data at an installation position of the supplementing target device;
• and
• a supplementing target information requesting unit configured to transmit, to the server, supplementing target information including data of auxiliary power capable of supplementing the maximum required power of the peripheral device, and the air temperature data, and
• wherein the server comprises:
• a secondary battery searching unit configured to search for a secondary battery that satisfies the air temperature data and the data of the auxiliary power included in the supplementing target information when receiving the supplementing target information from the supplementing target information requesting unit, and
• an information transmitting unit configured to transmit secondary battery information relating to the second battery searched by the secondary battery searching unit to the supplementing target device.