Thunder Power RC 4 Qty 125mAh 1-Cell/1S 3.7V G6 Pro Lite 25C LiPo Battery, Ultra-Micro Weight (g): 3.3 Max Continuous Discharge: 25C Max Continuous Current: Ideal battery additional flight time; power and flight time for Ultra-Micro airplanes and helis from E-flite; Park Zone; Hobby Zone and Blade Adult supervision is required