Ocean Technology via Amazon offers the Unitek Quick Charge 3-Port USB Car Charger, mode no. Y-P527, for $12.99. Coupon code "7L9AMI4X" drops it to $6.24. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.44.) That's tied with our mention from last month and the lowest total price we could find by $11. It includes a micro USB cable and is compatible with iOS or Android devices.