This Mophie external power bank is $30 off on Amazon

TL;DR: The Mophie Powerstation XL is a 15,000mAh portable charger, and you can get one for just $29.95 on Amazon as of June 30 (saving you $30 off the usual price). 

Running out of battery on your smartphone when you're out and about has got to be one of the most frustrating things that can happen to you. Whether it interrupted your favorite Spotify playlist or left you without a navigation system, realizing you're out of juice is something none of us wants to go through. 

That's why it's always a good idea to have a power bank on you — Mophie makes some of the best ones you can get, and their 15,000mAh XL Powerstation is currently $30 off on Amazon.  Read more...