Ocean Technology via Amazon offers the Unitek Quick Charge 3.0 42-watt 3-Port USB Car Charger Adapter in Black for $13.99. Coupon code "VLIT6OY5" cuts it to $6.44. Plus, Prime members receive free shipping. That's $2 under our mention from last October, $24 off, and the lowest price we've seen. This Qualcomm-certified charger features a quick-charge port, two 2.4-amp ports, LED indicators, aluminum alloy enclosure, and microUSB cable.