Chuwi via Amazon offers Prime members the Chuwi Ublue 3.4-amp 17-watt Dual USB Car Charger, model no. Ublue, for $11.99. Coupon code "NDSQIUJI" cuts it to $7.07. Even better, free shipping applies. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.99.) It features smart charging technology, ring-shaped blue LED indicator, and five layers of circuit protection. Deal ends April 5.