Keep a Veho Pebble Aria Portable Battery with Built-in Speaker with you when you go out and you won't have to worry about your cell battery running low. This handy power source has 3500mAh of battery life, enough to charge most smartphones 1.5 times. It also comes with a built-in 2W speaker and acts as a smartphone stand so you can listen to your tunes out loud and access the screen easily.
