Wireless charging to eliminate ground loop?

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Hello guys, I currently have a TPA3116 amp connected to a 14.8v battery pack. Running from the same battery pack I have a Bluetooth receiver module connected to the amp.
As you might imagine this has caused ground loop distortion.
I'm loath to use an audio isolator cable. So I was thinking...
I could use a usb 5v QI phone charger in contact with a QI charging adapter (a flat copper coil that outputs 5v when next to the QI charger). And use that to power the Bluetooth module.
However...would that isolation eliminate the ground loop?
 
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