FULLWAT 3S YT903480HHHH Radio Li-Po Battery 11.1 V 1800mAh These batteries are the most powerful, capable of supplying large amounts of energy very quickly. Ratio Discharge: 20C Size: 9 x 3.4 x 2.3 cm Weight: 148.5 gr. more Manufacturer: fullwat Reference 3SYT903480HHHH