1,battery capacity :2200mAh 2,smart battery cover 3,Extend the standby time of your phone 4.private charger 5.hot sale

galaxy s-II  battery( most thin thick 4.4mm ) features : charging and synchronizing computer simple USB cable end into the micro USB interface and the other end to access power to charge or sync or PC soft 

cover material	ABS black light oil +UV battery
capacity	2200mah
output voltage	5V 1A
output current	700mah,
product size	135,8*69*15.1mm
brand	usiabu

The Package pictures