All4Cellular offers the refurbished Mophie Juice Pack Powerstation Universal External Battery, model no. 2027_JPU-PWRSTION-2, for $49.95 with free shipping. That’s the lowest total price we could find by $15. The Juice Pack Powerstation is a 4000mAh external battery that works with USB-based mobile devices and smartphones. Deal ends December 16.

A 90-day All4Cellular warranty applies.