Today only, PricePlunge offers the XtremeMac InCharge Duo Charging Base for iPhone and iPod , model no. IPD-ICD-10, for $12.49. With $3.49 for shipping, that's tied with our April mention as the lowest total price we could find by $15. It claims to charge any combination of iPhone and dockable iPod models twice as fast as a computer; it includes a detachable USB cable.