※Parameters: Battery Voltage: 3.7V; Discharge Rate: 30C; Capacity: 1200mAh; Dimensions: 57*29*9mm/2.24*1.14*0.35inch; Weight: 28g/0.98oz; Discharge Plug: JST plug; Charging Plug: JST plug. ※Application: Compatible with MJX Syma Holy Stone Sky Viper WLtoys RC Drone huanqi 898B H11D H11C MJX T04 T05 T25 M03 X900 X9TW V2400HD V2450FPV V2450GPS four axis aircraft, glider, electric toy . (Only if the voltage, dimension and the plug match, then it will fit). ※More power: 1200mAh Lipo battery rechargeable pack is ready to deliver the power for you anytime,anywhere.RC battery pack delivers a discharge rate to push your rc drone run time to the peak of its abilities ※Charging indicator: When the charging cable is connected to the power supply and the battery is connected for charging, the red charging indicator light is always on, and the fully charged red light is off. ※Package includes: 2X3.7V 1200mAh lithium battery, 2X USB Charging Cable, 1X user manual, 1X exquisite packaging box. We adhere to the principle of customer first, and you can contact customer service as soon as you have any questions. 1