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 four minutes and produce enough power for about 1 minute of talk time or a few texts.
KNOW YOUR POWER
Just press the button and the LED charge indicators will let you know how much battery charge you have left.
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.