Sunvalley Brands via Amazon offers the RAVPower Wireless Charger for $15.99. Coupon code "DDNWPC14" cuts that price to $10.99. Plus, Prime members bag free shipping. That's $5 off and the lowest price we could find. It charges iPhone X/8/8 Plus, Nexus, Xperia and Samsung S8/S8+/S7/S7 Edge. Deal ends February 15.