Storage battery pack, method for controlling storage battery pack, and method for controlling information terminal

A method comprising:

• receiving, from a storage battery pack by an information terminal, profile information of an electrical device connected to the storage battery pack, the profile information including device identification information of the electrical device and an item of state information that indicates a state of the electrical device;
• receiving a value of the item of state information of the electrical device connected to the storage battery pack, from the storage battery pack by the information terminal;
• and,
• when a first instruction that causes the item of state information and the value of the item of state information to be displayed on a display of the information terminal is received, displaying, on the display of the information terminal, a first display screen that depicts the item of state information and the value of the item of state information by using the received profile information and the received value of the item of state information.