USB gadgets are all the rage at the moment, and you wont find a better brand than Satzuma.

Features:
Charge your phone from your laptop/PC
Suitable for Nokia, Sony Ericssin, Samsung, Motorola
Lightweight and easy to use - just plug and charge!
Retractable cord system to ensure no messy wires when transporting
No software required
USB powered
No batteries required

Minimum System Requirements:
PC and Macintosh platforms
32MB of system RAM
50MB available hard disk space
One available USB 1.1 port