... capacity:800-1100mah 3)cycle time:500times rechargeable li- ion mobile phone battery pack 3.7v bl 5cFeatures:1. Good ... charger, anti-overcurrent, anti-overload10.Certifications : CE, FCC, RoHS,ISO900111. Long cycle life, widely use in mobile phone battery, external battery ... pack for some famous cell phones,such as model3620/3650/3660 ...