A DealNews exclusive! Maxwells Attic offers the Arkon Supercharge Car Mount for iPhone, model no. IPMPWR, for $16. Coupon code "DNEWS1617" cuts it to $13. With free shipping, that's the lowest total price we could find by $2. It features a windshield suction mount, charging cable, and 360-degree swiveling action. It's compatible with iPhone 4/4S and iPhone 3/3G.