Ntonpower via Amazon offers its Ntonpower 4-USB 4-Outlet Smart Power Strip Surge Protector in White for $16.99. Coupon code "PS5YMEHU" drops it to $11.89. Plus, Prime members receive free shipping. (Non-members can check out via Subscribe & Save to bag free shipping.) That's tied our mention of another color from three days ago, $18 off, and the lowest price we've seen. It features four smart-charging USB ports, 1,700 joules of surge protection, and a 5-foot cable. Deal ends October 31.

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