*Note:Perfect for use with your Futaba T14SG 4PK transmitter and many others!Typically reserved for high amp draw performance applications Turnigy nano-tech batteries represent the pinical of performace. reliabilty and value for money. Taking these same manufacturing principles and technology. our engineers crafted a line oftransmitter specific LiFePo4 batteries for those seeking dependability. quality and and life cycle unequaled by any other battery on the market today. When quality counts go with the worlds most trusted performance battery. Turnigy nano-tech.Turnigy nano-tech LiFePo4 batteries utilize lithium iron phosphate as a cathode material which offers exceptionally long cycle life and greater thermal/chemical stability when compared to a standard Lipoly battery.*Note: This is a LiFePo4 battery. You will need to use a LiFePo compatible battery charger when charging these batteries. NEVER attempt to charge these batteries in standard Lipoly mode or with a non-LiFePo compatible charger as damage or personal injury may occur.Spec.Capacity: 2100mAhVoltage: 2S1P / 2 Cell / 6.6VDischarge: 20C Constant / 40C BurstWeight: 103g Dimensions: 80 x 44 x 16mmBalance Plug: JST-XHDischarge Plug: JR Futaba