Dual-USB 9,900mAh Rechargeable External Battery for $40 + free shipping

Naphos via Buy.com offers the New Trent iGeek Dual-USB Output 9,900mAh Rechargeable External Battery in Black, model no. IMP99D, for $39.95 with free shipping. That’s the lowest total price we could find by $25. It functions as an emergency backup power source for cell phones, tablets, and other devices. It includes adapters for Sony Ericsson, Apple, Nokia, Motorola, LG, Samsung, HTC, and more.

Subscribe to the 9to5Toys YouTube Channel for all of the latest videos, reviews, and more!