1) Battery material Lithium ion polymer
2) Lithium ion polymer Battery capacity:    3.7V 4500 mAh
3) Output voltage:     5V (max)
4) Output current :    2000 ma (max)
5) Charge voltage :    USB DC 5V 150MA~2000MA(Adaptive)
6) Charge current :    150MA~2000MA(Adaptive)
7) Charging time Cell phone :   <3 hours (max)     
8) Electric eye dimension:    180mmx130mm
9) Peak power supplied by photocell:   2.4W
10) Material of electric eye  multicrystal silicon solar
11) High solar energy convert efficiency: over than:    >16%    
12) Material: Leather(PU Optional)