This deal has ended.
Exclusive: this USB External Power Bank Backup Charger drops from $19.99 to $9.99 with coupon code BRADS50 at GearXS. Plus, it ships for free, making this the best price we could find by at least $6. It charges most any USB device, and it features 2600mAh of power, enough to fully charge the iPhone 5S nearly two times. Sales tax is not charged in most states.