E-flite 1800mAh 20C 3S 11.1V EC3

Overview
E-flite High-Power Lithium Polymer batteries offer an excellent blend of weight, power and performance. Available in a wide variety of capacities and voltages, there’s a battery perfect for almost any application from indoor slow flyer to large-scale sport and aerobatic airplane models, as well as micro to mid-sized helicopter models.