This deal has ended.
Update: This deal is over. Now sold out. Buy.com drops the price of this Kensington Travel Battery Pack and Charger for iPhone and iPod Touch from $69.99 to $17.99 with free budget shipping. Compare this with $40.77 at Amazon.com! This charger is great for long trips as it lets you charge your iPhone even if you don't have access to an outlet. It doubles as a kickstand for watching video on your trip. There is no sales tax (except CA, MA, MD, NY, TN).