Yotaphone 2 intermittent Charging? Or something else?

I just got a Yotaphone 2 and connected it to charge at usb port on computer. Every 30 seconds or so, it pops up a new windows explorer window for the YotaPhone. Seemed like it's disconnecting and reconnecting to Windows intermittently. There was not connect or disconnect chimes in Windows, however. So I tried charging it on a Qi wireless charger. About every 30 seconds, the charger beeps as it does when it senses a nearby coil and begins charging. I assume this points to that the internal charging circuit is starting and stopping?? Has anyone seen anything like this? If this is what is happening, is this likely a software issue? ...or a hardware issue? I haven't updated or installed anything on the phone yet. I received it already running Android 5.0.

Any ideas on cause, or ways to fix this?

Thanks!

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