... protection, long talking time 3. 100% new SpecificationModel No.BT50 for MotorolaBattery typeLi-ion chargeable battery, mobile phone battery, ... K3/Q8/Q9/V1050 Standard Voltage3.7Vcapacity1200mahBattery CellGrade A, 100% newStandby Time48~120hoursCycle TimeMore than 500timesWeight0.025kg(Poly bag ... ,safety for using4) No memory effect: The lithium ion battery has no memory effect, can be charged in ...