How can able to read battery levels?

Using Arduino Project Guidance
#1

I have a Bluetooth module HC-05 .

I have tried to send the normal ASCII data through Bluetooth …its work.

but Is it possible to read the battery percentage of an android mobile by an Bluetooth module(HC-05).?

how can get this battery percentage of android using Bluetooth module ?

please explain …

Thanks…

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#2

How is this an Arduino question?

#3