Shame on you if you still don't own a portable flash charger for your smartphone. Just last week your phone ran out of power--again--and you had to ask your coworkers if you could borrow a charging cable...again. Stop the insanity this very minute by adding this 2600mAh Flash Charger for Mobile Devices to your cart. In addition to smartphones, it also works with e-readers, tablets, digital cameras, and more. With a USB output and Micro-USB input, this convenient device will add an ...