Newegg offers the Thermaltake 7,000mAh LUXA2 P1 Pro Ultra Capacity External Battery Pack (pictured), model no. PO-UNP-PCP1SI-00, for $11.49 via the steps below. With free shipping, that's $44 off list and the lowest total price we could find. It's compatible with most smartphones and tablets and features a rubber bumper, LED indicator, and built-in cord-keeper. Rebate expires December 15. To get this deal:
Also available is the RAVPower 14,000mAh External Backup Battery Pack in Black, model no. RP-PB13, for $31.49 via the above coupon code. With free shipping, that's $4 under our mention from two weeks ago and another price low, this time by $12. It's also compatible with most smartphones and tablets. Coupon expires December 21.