[Q] Battery Drain Problem topic

Uh-oh.....

Another battery drain thread.....

Heh heh, this is what's going on:

I'm using my Note III as my audio player. I'm using the Temasek CM11 ROM, with the Zion Kernel.
I've customized the ROM for use as an audio player. I've removed many apps I don't need, including the Dialer and Contacts.
I have Airplane Mode engaged full-time, as I won't be needing a cellular signal, and Locations has been turned off full-time.
This device is nearly Google-free, save the Play Store. Google Play Services has been removed (I have me reasons!).

Now, theoretically, the phone should Deep Sleep forever right, especially when absolutely nothing is running?
My battery life was stellar right after I completed my setup. The phone would sleep for hours without dropping even 1%.
After the first recharge, the battery has changed gears, dropping up to 3% per hour. This is while the device is 'Deep Sleeping'.

I don't know what could be happening.

That brings me to a secondary question as to what happens after a phone is removed from the charger?
When I had Google Play Services on my device, Google Play Services would keep my device awake right after I remove it from the charger. Syncing my account would finally put the device to sleep.

What could be causing the drain on my Note 3?
And what runs after a device pulled from the charger?

Thanks for any and all assistance.