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 "Y8WGAYUM" cuts it to $15.99. Plus, Prime members qualify for free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.29.) That's $5 under our mention from two weeks ago and the lowest total price we've seen. (It's a current low by $7.) It works with iPad, Samsung Tab, and most Android devices.