get
Retrieves the latest cached battery status of a specific Opticon BLE scanner.
Use this method to obtain the most recent battery status of the scanner specified by the deviceId. The status includes details such as charging state, battery health, and more. If no battery status has been received yet, or the device ID is unknown, this method returns null.
Return
A BatteryLevelStatus object indicating the latest battery status, or null if no status is available.
Parameters
device
The identifier of the target scanner.