FULLWAT 2S YT903480HHHH Radio Li-Po Battery 7.4 V 1800mAh These batteries are the most powerful, capable of supplying large amounts of energy very quickly. Ratio Discharge: 20C Size: 8.8 x 3.4 x 1.7 cm Weight: 99 gr. more Manufacturer: fullwat Reference 2SYT903480HHHH