Sunvalleytek via Amazon offers the HooToo 4-Port USB Charging Station, model no. HT-CT01, for $9.99. Coupon code "HDIE3EZO" cuts it to $4.99. Plus, Prime members qualify for free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $5.99.) That's $65 off list, $11 under our mention from last summer, and the lowest total price we've seen. It features two charging ports with up to 2.4 amps, two charging ports with up to 1.5 amps, and over-charge, surge, and short-circuit protection.