Orico via Amazon offers its Orico Mini Size 2-Outlet Surge Protector with 4-Port USB Hub in Black or White, model no. IPC-2A4U, for $14.99. Coupon code "WEHRFDT4" cuts it to $8.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping adds about $7.) That's $18 off and the lowest total price we could find. It offers up to 20 watts of power via its four USB ports.
Also available is the Orico 2-Outlet Desktop Surge Protector with 5-Port USB Hub in Black or White, model no. ODC-2A5U, for $24.99. Coupon code "O8XESTRU" cuts it to $14.99. The same shipping options from above apply. That's $37 off and another price low. Its five USB ports offer a 40-watt max power output.