Specifications:
1) Size (D x H): 21 x 71mm
2) Input voltage: 1.0V- 1.5V
3) Output voltage: 5.7V + 0.5V
4) Input current: 750mAh-1,800mAh
5) Output current: 150mAh - 430mAh
6) Available talk time after charging: around 2 hours (but there are differences
between different charging condition required phones)

Features
1) Light, reusable and easy to operate
2) Safe stream of power to charge or talk longer on you cell phone
3) Portable, use it anywhere
4) Uses one replaceable AA battery or with rechargeable batteries for optimum savings
5) More economical than any competitive product and costs a fraction of the cost
of an additional battery
6) It is a revolutionary solution
7) Perfect in emergency or during power outages