Two Tenergy LiPo 7.4V 900mAh 25C batteries for RC CX2 Helicopters with One Tenergy 1-4S balance charger
Tenergy 1-4S balance charger    * advanced individual charging method-charge each cell individually    * Safer and faster charging for better battery performance and life    * Fits most 1S to 4S Li-PO/Li-Fe battery packs with XH type balance connector    * light weight, super easy to use    * Multiple protection features provide maximum safety SpecificationsInput	DC 10-16V, 1.0-1.5AOutput	DC 4.2V/16.8V (Li-PO)	DC 3.6V/ 14.4V (Li-FE)Charging Current	1.0ABattery Type	Li-PO/Li-lon/Li-FeDimension	86 x 57.3 x 16.8 mmWeight	100gReserve Polarity Protection	YESShort-Circuit Protection	YESInput Voltage Protection	YES7.4 volt 900mAh 25C Li-Poly Lipo Battery Pack for Blade CX and CX2Wanna fly the Blade CX/CX2 helicopter higher and smoother? Try this new 25C pack specially designed for Blade CX2 helicopter.The newest battery upgrade for the Eflite Blade CX and CX/2:    * gain 12% more flight time over stock battery    * delivers more than twice the power with its 25C rating - beyond almost any other battery    * fits the stock battery tray perfectly and work with the stock charger.This Tenergy Lithium polymer battery is rated at 900mAH 25C and is made for the Blade CX and CX/2, while the stock battery is rated at 800mAh; it means this Tenergy battery will provide much longer runtime. This battery will work with the e-flight charger and fits inside the CX helicopter without any modifications - direct replacement but a better battery; great quality and an exceptional value!Features and Benefits:    * Continuous Discharge Rate: 25C / 22A    * Burst Discharge Rate: 50C / 45A    * Discharge (Output) Leads: 20 AWG silicon wire, 97 mm long, JST(BEC) connector (Same as the factory pack)    * Charging (Balancing) Lead: JST(Align, E-flight) Style 3-pin connector. 24AWG PVC wire, 38 mm Long  (Same as the factory pack)    * Dimension: 72x 24.5 x 12.5 mm    * Weight: 43g / 1.6ozNote: Please read instructions before using!