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Groupon has the grey Powerbag Messenger Bag with built-in battery system for $35 shipped. This up to $95 off the regular listing and $20 less than Amazon, which is the current next best price. The Powerbag features an on-board removable 3000mAh battery to charge your iPhone, iPod and iPad as well as Blackberry and thousands of different Android devices. This bag supports up to a 15-inch laptop and has an adjustable/removable shoulder strap, a female USB port and can charge up to 4 devices at once. More specs below.

Powerbag w/Built-in Battery System: $35 shipped (Reg. $129)


  • Bag charges smartphones, tablets, and MP3 players
  • Built-in Apple, micro- and mini-USB connectors, as well as a female USB port
  • Draws power from a 3000mAh battery
  • Charges up to four devices or two cyborgs at once
  • Quick-access charging pockets
  • Padded laptop compartment
  • Messenger bag with adjustable, removable shoulder strap
  • Versatile left or right side strap on sling
  • External one-touch battery indicator
  • Dimensions: 4.25”x19.75”x15.5”

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