Powerbag’s Instant Messenger Laptop Bag is currently being offered at just $49.99 shipped, today only, originally priced at $179.99. The built-in battery system charges the average smartphone four times and includes Apple, Micro-USB, and Mini-USB connectors and a USB port. Product page. Continue reading for two video reviews.

Notable features:

  • Built-in charging system and removable 6000mAh battery to charge your favorite USB power devices.
  • Built-in Apple, Micro-USB, Mini-USB connectors and a USB port.
  • External one-touch battery level indication.
  • Included wall adapter charges Powerbag and any connected devices inside easily via the external waterproof charging port.
  • Quick-access charging pockets.
  • Adjustable shoulder strap with slimline shoulder pad.

[via Amazon]