... 1.Double IC and NIC PCB offer over-discharging,over-charging,over-current and short-circuit protection. 2.Gilded and flexible connector better ... conductive properties,not easy to rust. 3.Safety and stable. 4,A grade li-ion battery cell, high ... environmental protection battery, durable energy conservation, long standby time and long talking time.Package 1000pcs/carton with free plastic bag ...