These batteries have a shorter charging time and longer service life. Batteries do not have a “memory effect” so the phones can be charged at any user-friendly time. Charge faster - use longer - feel safer! Features:The battery is protected against overcharging, overheating and ignition.Optimally selected discharge parameters maximize battery capacity. Compatible mobile phone models:Samsung SGH-A127. Samsung SGH-D900. Samsung SGH-D900B.Samsung SGH-D900i. Samsung SGH-D908. Samsung SGH-E480.Samsung SGH-T519.Samsung SGH-T729 (Blast). Samsung SPH-M520.Samsung D900.Samsung D908.Samsung E780.Samsung E788. Note: the list of compatible batteries and smartphones may be not complete. In case of doubt, always ask a consultant for advice. Compatible part numbers:Samsung AB503442C. Samsung AB503442CA.Samsung AB503442CAB/STD.Samsung AB503442CC.Samsung AB503442CE. Samsung AB503442CEC/STD. Specifications:Capacity: 850 mAh.Type: Li-ion.Voltage: 3.7 V. Warranty: 12 months. Important information! Waste batteries and accumulators must be disposed of into specially marked containers.