Anker PowerCore+ mini 3350mAh Lipstick-Sized Portable Charger (3rd Generation, Premium Aluminum Power Bank) One of the Most Compact External Batteries, Uses Premium Cells(Black) This is the big battery I use that gets me and my gadgets through the longest of days.
Bobble BPA-Free 550 ml Water Bottle, Magenta This is the mini-battery I mentioned, good for one full charge of your smartphone.
Silver Plated Fluted Business Card Holder I love my water bobble! Really useful little thing.