Luxone1 via Amazon offers the Tiergrade High-Speed 3-Port USB Car Charger in Black for $9.99. Coupon code "QS8KCXBJ" drops it to $5.99. Plus, Prime members bag free shipping. That's a buck under our mention from last month, $4 off, and the lowest price we've seen. It features a Qualcomm Quick Charge 3.0 USB charging port and two 2.4-amp USB charging ports. Deal ends February 28.