Specifications: Capacity: 500mAh Voltage: 3.8V / 1-Cell / 1S1P Discharge Rate: 75C Continual / 150C Burst Charge Rate: 5C Max Size(1-5mm difference): 7X16X61mm Approx Weight(卤5g) : 12.5g/Each Output Connector: BT2.0 Plug Balance Connector: JST / XH Wire (AWG): 20 Compatible RC Models: Package Included: 1* 4 Packs CNHL MiniStar HV 500mAh 3.8V 1S 75C Lipo Battery with BT2.0 CNHL MiniStar high voltage 1S lipo battery 500mAh 3.8v 75c with BT路2.0 is specially designed for FPV racing drone brushless quadcopter TinyHawk Inductrix FPV Plus Kingkong Tiny 7 Beta75S etc. NEVER Leave a Battery Charging Unattended Notice: 1.For the RC battery, only if the voltage and the plug match, then it will fit. 2.Please stop charging immediately when the cell voltage has been charged to 4.2V (Normal cell voltage is between 3.7V~4.2V). 3.To double that it sure safe, please check first whether the battery surface is right when you get it and whether the voltage is normal before using. 4.If the new battery won鈥檛 hold a full charge or loses the charge very quickly in a short time, please use the Balance Charger to charge and recycle several times first.