Newegg offers the Orico 36-watt 5-Port USB Car Charger, model no. MPU-5S-BK, for $10. This $10 mail-in rebate cuts that to $0. With $3.99 for shipping, that's the lowest total price we could find by $14. It features two 2.4-amp outlets and three 1-amp outlets. Rebate expires April 7.