| 摘要 |
PROBLEM TO BE SOLVED: To provide an exchange period notification method, system, device, and program for realizing the notification of the exchange period of components or a product whose exchange is necessary for maintaining the performance of the battery of a UPS or the like. SOLUTION: The use start period of UPS 7 and 8 is registered in an exchange period notification server 5, and the exchange period notification server 5 decides the life of a battery based on environment change information after the use start period, and notifies a user terminal 2 of this judged result through a network 1. Also, the exchange period notification server 5 decides the life of the battery based on the non-use period between the use start period of the UPS 7 and 8 and the shipping period of the product, and notifies the user terminal 2 of the decided result through the network 1. |
