Our growing number of power-hungry electronics require evermore juice, usually copping out on us at rather inopportune moments. Lucky, then, that massive backup batteries, like Mophie’s Powerstation XL exist. This sleek brick carries along with it more than enough power to go around at a whopping 12,000mAh, enough to charge most modern smartphones 5+ times […](Visited 12 times, 12 visits today)