Complex sentence: It is powered by 4 AA batteries so that users can fully utilize the portability of the mini-KP; however, the mini-KP's touchpad does not have a display and has no MIDI output.
Split into simpler sentences: It is powered by 4 AA batteries so that users can fully utilize the portability of the mini-KP. However, the mini-KP's touchpad does not have a display and has no MIDI output.