Daily Steals offers the refurbished Mophie Power Reserve 1X USB 2,600mAh External Battery 2-Pack in several colors (Blue pictured) for $11.99. Coupon code "DNEWSMOPHIE" cuts it to $8.99. With free shipping, that's $7 under the lowest price we could find for two new ones elsewhere. It features adaptive charging and LED battery level indicators.

Note: A 90-day Mophie warranty applies.