Gens ace G-Tech Soaring 2700mAh 11.1V 30C 3S1P LiPo Battery Pack originally designed and produced for DJI Phantom 1, with upgraded capacity, extend the flight time in the sky, it can be also use in small size of RC aircraft and RC heli, similar to 2200mah 3s but with 500mah more capacity, can also be fit in some RC crawler as well.