Patent ID: 8890480

Claim:
A system to monitor health of a rechargeable battery electrically coupled to an aircraft, the system comprising: a vehicle portion, comprising: a battery health management unit physically connected to the rechargeable battery by an internal data bus and including: a state of charge module to estimate a state of battery charge of the rechargeable battery based on battery-related data received on the internal data bus; a state of health module to estimate a state of battery health based on battery-related data received on the internal data bus, wherein the battery-related data comprises data collected in real time operation of the battery and fault history of the aircraft; a state of life module to estimate a state of battery life of the rechargeable battery based on battery-related data received on the internal data bus; and a prognostic management component to: receive an output from at least one of the state of charge module, the state of health module, and the state of life module; process the output to generate a health status indicator which provides a fix or fly status for the rechargeable battery; and output the health status indicator to an external data bus separate from the internal data bus.