Lipo 4S Battery NanoForce 2200mah 14.8V 4S 35C / 70C Burst (EC3 Plugs) Perfect for any 250 Size FPV Size Racer,DJI Flame Wheel 450-550, FMS, Airfield, Eflite, HobbyKing, Warbirds, Extreme Flight, 3D Hobby Shop, Blade 450 Get The Max from your R/C plane, boat or car with consistent 35c performance with 70c burst capability from this 14.8v 2200mah lipo battery Ultra-low internal resistance of 15ohm per cell means precision power control without any sag during those long cruises Equipped with EC3 plugs pre-soldered out of the box for snap-and-go connection to any BNF/RTF model Super-Fast charge rate of 5c Saves up to 60 minutes of charging time. All of our batteries have balance connectors Fully guaranteed to meet C-rating, achieve comprehensive cell balance and to be free of any other factory defect with a post-purchase support program unheard of in the industry