INSTEN AC Adapter Charger for Dell M1330 Inspiron 1545 XK850 PA-21 AC (406092) Charge your laptop at work or when going out of town. Carry an extra light weight and handy travel charger, to charge anytime, anywhere. Type: AC Adapter. Input: 100 - 240V, 50-60Hz. Output: 19.5V DC/3.34A. Intelligent IC chip recognizes a fully charged battery and automatically switches to saver mode to prevent overcharging and short circuit.