US Patent 11662890 Messaging system with battery level sharing

A method of transmitting mobile device battery data, comprises: displaying a graphical user interface on a user's mobile device to receive battery data sharing permissions for the mobile device; receiving, via the graphical user interface, the permissions; calling a battery application program interface; receiving, from the battery application program interface, battery data of the user's mobile device; and transmitting the received battery data to another mobile device based on the received permissions.