BoostTurbine 4000 | Battery pack with a crank power back-up that provides two full charges to most smartphones plus charges tablets

Hand Turbine Charging Power
USB Charge
USB Output5V = 2.1A

MAKE YOUR OWN POWER

For everyday or emergency use, this backup battery pack with hand turbine power generator will keep you all charged up and connected. It features a rechargeable 4000mAh lithium battery for power, anytime, anywhere.

TWICE IS NICE

The BoostTurbine 4000 features a Micro-USB DC input to use with most smartphone chargers and a high output (2.1A) USB port for charging mobile devices, including tablets. And when the BoostTurbine 4000 is all charged up, you have enough power to fully charge most smartphones twice!

CRANK IT UP

Crank for one minute and produce enough power for a four-minute call and a few critical texts*. 

KNOW YOUR POWER

Just press the button and the LED charge indicators will let you know how much battery charge you have left.

POCKET SIZED

Made with lightweight yet durable aluminum, it’s tough enough to take virtually anywhere. Stash it in your pocket, purse or pack for a big-time power boost.
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