Considering the fact that you'll be highly mobile with your notebook, an extra AC Adapter is always a good idea. At one time or another, your battery will run out of juice and you'll be glad you have the AC spare. Keep one at home and one in the office or with you on the go.This AC adapter is designed for Canon InnovaBook 300P, 350CD, 360CD (NiMH); Canon InnovaBook 475CDS, 475CDT series (NiMH); Canon InnovaBook 480CDS, 480CDT (NiMH); Canon InnovaBook 490CDS, 490CDT (NiMH); MPC TouchNote 700 (NiMH); NEC Versa 2400, 2400CD, 2405, 2405CD (NiMH); NEC Versa 2400, 2500 series (NiMH); NEC Versa 2430CD, 2435CD (NiMH); NEC Versa 2500, 2530 (NiMH); NEC Versa 500, 550D (NiMH).