Amazon offers the CyberPower 3-Outlet Dual USB Surge Protector Wall Tap in White, model no. CSP300WUR1, for $12.95. Clip the $2 off coupon to drop the price to $10.95. Plus, Prime members bag free shipping. (Non-members can spend $25 or more to bag free shipping; otherwise, it adds $5.74.) That's the lowest total price we could find by $6. It features 600 Joules of surge protection and two 2.1-amp USB ports.

Expect delivery within two to five weeks.

Update: Specs corrected.