Sensor is getting disconnected after every few minutes

[AswinchristoJ]

During the distance measurement, I subscribed to battery & distance result characteristics.

I'm getting the proper battery value at the start(eg: 80%), but after every few seconds the value gets lesser & lesser(eg: 75%, 60%, 48%, 28%...) and at some point it becomes 0% & the sensor gets disconnected.

After connecting with the sensor again, the above behaviour repeats as if there is a timer inside the firmware.
Please point out if there is anything I'm missing. Thanks in advance.