Mophie Powerstation 4000mAh 2.1A External Battery Charger Red (Certified Refurbished) This Certified Refurbished product is tested & certified by Mophie to look and work like-new. The product includes all original accessories, and is backed by a 90-day warranty Ability to charge virtually any USB device in the world. Capable of switching between 500mAh, 1A, and 2.1A charge Sleek, Red soft-touch finish with stainless steel outer band Special high out battery that allows for fast charging