I have a problem with my device while pairing my ipega 9037 Bluetooth gamepad controller. The joysticks are working and also the D-pad, but I have thought that can I use this controller over USB OTG.

Does it damage the smartphone battery?

2 Answers 2


If you are linking it trough the cable and not Bluetooth, it won't drain much more battery than pressing the volume buttons.

In other words, nothing you'll ever notice.


I had the same problem with the PS4 controller. When I use OTG, my phone battery goes down.

I open up my controller and disconnect the battery. Then when I connect via OTG, it doesn't charge the controller. No more, it's perfect.

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