Pulse Ultra PULSE 2700mAh 3S 11.1V 25C - M450 Flamewheel 450 - LiPo Battery For 300-size to 450-size multirotor or similar - Myriads of Voltages, Capacities & C Ratings True 5C Charge Rates -Large AWG Wiring for Maximum Power Applications Industry Standard JST/XH Balance Taps -High discharge rate for High Power Demands The choice of pro level pl and beyond, filling the flight line with pl of all skill levels&demands Full 90 Days Warranty Period