Belkin SurgePlus 6-Outlet Wall Mount Surge Protector with Dual USB Ports for $16.11. Shipping is free on orders over $35. If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for your reference. It fatures 900 Joule energy rating of power protection, 2 powered USB ports, and is wall-mountable for 6 extra AC outlets without extra cords.