Portable and small size lithium battery pack for powering cell phones,mp3/4,ipods,iphones and other usb electronics.

Capacity:  Li-ion 2200mAh/3.7V

Input: Mini USB 5V700mA

Output: USB 2.0 5.5V±0.2 600MA

Charge while discharge

Cycle life: 80% capacity remained after 500 cycles

Protection: overcharge,overdischarge,short-circuit

Dimension: 80 x 40 x 22mm

Weight: 70g

Color: white/black/silver/blue