Sunvalley Brands via Amazon offers the RavPower 60-watt 6-Port USB Charging Station in Black or White for $19.99. Coupon code "RAVPDN12" cuts it to $17.99. With free shipping for Prime members, that's the lowest price we could find by $4. It features six 2.4-amp charging ports and a 5-foot detachable power cord. Deal ends January 23.