iTech Deals offers the Halo Pocket Power Bank 5,500mAh Charger
in Black, model no. HALO-PP5500-LTNG-BLK, for $10.99
with free shipping
. That's the lowest total price we could find by $17, although we saw it for $1 less in May. It can charge two devices simultaneously via a built-in micro USB and the included USB cable with three connector tips: micro USB, mini USB, and 30-pin.