Professional UAV battery Tattu 12000mAh 6S1P 15C lipo battery pack for your JI S800, DJI S900, S1000, Walkera QR X800 and other multicopter. Long fligh time, ultralight and high density. You save 40% and you can get extra 15% off, free shipping to USA Your order dispatched via FEDEX from USA directly. You can enjoy local after-sale service guaranteed in USA. purchase at: http://www.genstattu.com/tattu-12000mah-6s1p-15c-lipo-battery-pack-with-xt90-plug.html