Sunvalley Brands via Amazon offers the RAVPower 40W 4-Port Fast Charger with Quick Charge 3.0 for $23.99. Coupon code "3MSO846M" cuts that price to $18.99. Plus, prime members bag free shipping. That's $71 off and the lowest price we could find. It features four USB Ports: one quick charge 3.0 port and three 5-volt/2.4-amp ports.