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BoostBloc 6600
The super-powerful, backup battery pack with 6600mAh lithium battery




Where to buy

Dual USB Output5V

  • 2.1A
  • 1A

Power to the people

Hop on a plane or hit the trail and never run out of juice. This small and mighty backup battery pack features a rechargeable 6600mAh lithium battery for long-lasting reliable power—wherever and whenever you need it.

Recharge, recharge, recharge

When the BoostBloc 6600 is all charged up, you’ll have enough backup power to recharge your smartphone up to three times. And it also features a Micro-USB DC input to use with most smartphone chargers.

Double time

With dual 1A and 2.1A USB ports, you can charge two devices simultaneously—two smartphones or your phone and tablet.

Know your power

Just give the BoostBloc 6600 a shake and the LED charge indicators will let you know how much battery charge you have left.

Handy dandy

So small and lightweight you can take it anywhere. Stash it in your pocket, purse or pack for an anytime power boost.



1.7" x 1.7” x 2.8”

(4.3 x 4.3 x 7.1cm)


6.5oz (184g)


Included in the Box: BoostBloc 6600, Micro-USB cable, User Manual