AnkerDirect via Amazon again offers Prime members its Anker 25-watt 5-Port USB Wall Charger in White, model no. AK-71AN25W-W5A, for $19.99. Coupon code "ANKERTHX" cuts it to $15.99. With free shipping, that's tied with last week's mention and the lowest total price we could find now by $13. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $5.29.)