Right, and now we'll need the circuitry. Something to splice into the power input from the car or ac and convert it into a signal suitable for the battery. Then, we'll need circuitry to power the empeg from the battery. And, then, where will we fit it in the case? Seems like there is some room in there, but I still haven't opened mine yet.

So, it's an idea... And I'm too tired to persue it right now.