E-flite 4000mAh 4S 14.8V 30C LiPo12AWG EC3 Battery Capable of maximum continuous discharge rates up to 30C Equipped with balancing leads and a connector that are compatible with most balancers and balancing chargers Equipped with E-flite EC3 connector on main power leads Ideal for use in 25- to 46-size airplanes or for larger (80mm) ducted fans Good match for Power 25, Power 32, and Power 46 outrunners