Beeebo-us via Amazon offers the Dodocool 24-watt Dual USB Car Adapter for $5.99. Coupon code "X2LYVXKS" drops it to $2.99. With free shipping for Prime members, that's a buck under our mention from three weeks ago and the lowest price we could find by $6. It features two 2.4-amp USB ports. Deal ends November 18.