TechRabbit offers the refurbished Mophie Powerstation Plus 5,000mAh Portable Battery Pack in Black for $14.99. Coupon code "DNMPP5" drops it to $9.99. With free shipping, that's the lowest price we could find for a refub by $9. It features an MFI-certified lightning connector. Deal ends May 23.
Note: A 1-year TechRabbit warranty applies.