Microcell android mobile phone battery is compatible with lenovo BL219 for A880, A889, A850+, S860E, A890E, S810T, A916, A768T. This mobile phone battery has lithium ion technology, voltage 3.7V, charging limited voltage 4.7V, double protective IC with NTC PCB offer over-discharging, over-charging over-current and short circuit protection, more safeguard for using, gilded and flexible connecter, batter conductive properties, not easy to rust, standby time 2-5 days.