USB Rechargeable Battery AA/AAA Size USB Battery Pack

USB Rechargeable Battery AA/AAA Size USB Battery Pack 

When battery capacity insufficiency, takes down the battery the nearcathode black
To be partial, reveals the battery the USB connection, inserts the computer the
USB already to be possible to charge, duration of charging 4 hours.
 

Detailed Description:
1)Rechargeable AA batteries,1.2V,550mAh
2)Charge by USB Port and traditional charger
3)Widely used as common AA battery in your MP3, DC, DA, controller, PDA, PMP, PSP etc.
4)Packing: 2pcs/blister card
5)Ideal for both resell and promotional gifts.

Reuse up to 1000 times and more economic and environmental! 

Make your logo on this model USB Battery is available!