As one of its daily deals, THAT Daily Deal offers the Sharper Image Auto Power Triple Charging Station with Tire Gauge for $6.99 with free shipping. That's the lowest total price we could find by a buck. The charging station powers up to 4 mobile devices at once, and the tire gauge monitors tire pressure up to 50 PSI. Deal ends October 31.

Need more than one? You can purchase two for $12.98 with free shipping.