Samsung M300 Battery Standard Lithium Ion 700mahBattery Fits: SAM-R400/ A117/ M510/ M300/ T329/ T219/ M500/ U520/ T619/ T609/ M610 Li-ion BatteryDescription :700 mAh LiIon Voltage 3.7V Internal battery 200 Hours Digital standby; 3.5 Hours Digital talk time;