PULSE LIPO 2250mAh 11.1V 45C- ULTRA POWER SERIES True 5C Charge Rates -Large AWG Wiring for Maximum Power Applications Myriads of Voltages, Capacities & C Ratings 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