Features:

It can only charger USB device
AA battery ( both rechargerable and un-chargerbale ) can be used and the output is always 5V 1A
4 x AA battery External emergency charger
With 1 LED lights
Portable design, easy to carry around
Switch: Torch / OFF / USB
Battery requirement: 4 x AA Battery(not included)
With a USB interface, supports all devices that get charged via USB cable (USB cable not included), such as MP3/MP4 player, cellphone, iPod, iPhone, etc
Size: 86 x 66 x 11mm(L x W x H)

Package Included: 

1 x Battery USB Power Charger Case (AA Battery and USB Cable not included)
    
Kindly Note: 

If you need a huge quantity, contact us to get more competitive offer. 

Shipping and Payment:   

Payment : Paypal
Shipped within 2 business days once payment done. 
10~27 days to reach you. 

Refund and Guarantee:

30 Days Money Back Guarantee
180 Days - Free Exchange
Please contact us with any questions or concerns,we will solve it until you satisfy.