... phone accessory battery BT50 for Motorola 2. 1200mah, dual IC protection, long talking time 3. 100% new SpecificationModel No.BT50 for ... life: Adopting the grade A cell and good quality of protection board, high capacity and long service life2) Low self- ... offer over-discharging,over-charging,over-current, and short-circuit protection,safety for using4) No memory effect: The lithium ion battery has ...