Nubeestore via Amazon offers Prime members the Volmate Apple MFI-Certified Dual-USB 4.8A Car Charger, model no. VOL48A, for $9.99. Coupon code "V48A3OFF" cuts it to $6.99. With free shipping, that's $83 off list price and the lowest total price we could find. (Non-Prime members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $6.13.) It features SmartICTM technology to maximize compatibility and charging speed.