RokitBoost still offers the RokitBoost Excess 6,000mAh Dual USB External Power Bank for $44.99. Coupon code "DEALNEWS60" cuts it to $18. With free shipping, that's $6 under the lowest total price we could find for a comparable dual USB external power bank. It features dual USB ports for simultaneously charging two devices. It ships with retractable charging cable, 30-pin Apple-compatible adapter, micro USB adapter, mini USB adapter, and carrying bag.