The power cell is very small and will fit in any pocket.
This is the best portable charging product on the market for the money.

If you ever needed (and hey, who doesn’t) a universal rechargeable mobile battery bank, you’re in luck. The Innergie PocketCell does exactly that: it recharges everything USB, including but not limited to tablets, smartphones, mp3 players, portable game consoles, vibrators, cameras, and so on. 

More details:

  • Charge over 10,000 USB devices
  • Fast USB Charging
  • Multi Built-in Protections
  • Energy Saving

 Cool cable, small size, light weight, and promise of power protections.