Configear via Amazon offers Prime members its Configear Quick Charge 3.0 Dual-Port USB Car Charger for $7.99. Coupon code "GUOTDKI2" cuts it to $6.99. With free shipping, that's a buck under last week's mention, $9 off list, and the lowest price we could find. This 36-watt charger features 5.4-amp maximum output.