Eton Boost 4200

Boost 4200 - 4200mAh lithium, Micro-USB, 5V, 2.1A, 142g ALL POWERED UP
Never be caught powerless again. This super-slim, super-powerful backup battery pack features a rechargeable 4200mAH lithium battery for long-lasting reliable power—whether you’re on a plane or at the park.

DOUBLE DUTY
The Boost 4200 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.

KEEP ON TALKING…OR TYPING
When the Boost 4200 is all charged up, it packs enough power to charge most smartphones twice and caneven charge tablets—so every device gets the power it needs.

SHAKE IT UP
Just give the Boost 4200 a quick shake and the LED charge indicators will let you know how much battery charge you have left.

PALM SIZED
So small, so sleek, so elegant. Fits perfectly in your pocket, purse or palm for an anytime, anywhere power boost.