Baytek Digital via Amazon offers the Baytek 3,000mAh Portable Powerbank
in Walnut, Natural, or Ebony for $15.99. Coupon code "AP87DCFY" cuts it to $9.99
. Plus, Prime members receive free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.14.) That's a buck under our mention from last month and the lowest total price we've seen. (It's a current low by $4.) It features a Samsung battery cell and purports to provide up to two full charges.