Aropey via Amazon offers the Aropey 4-Port USB Charger for $14.99. Coupon code "CHR35VIP" cuts it to $9.74. With free shipping for Prime members, that's tied with our June mention, $16 off list, and the lowest price we could find. It features a charge speed of 2.1 amps, maximum charge speed of 4 amps, and a 4-foot power cord. Deal ends August 31.