Output: Continuous 30A, Burst 40A up to 10 Secs Input Voltage: 2-3cells lithium battery or 5-9 cells NiCd/NIMh battery BEC: 1A / 5V (Linear mode)Hobbypower 30a Brushless Speed Controller ESC for Multicopter Helicopter Airplan$10.00PriceQuantity*Add to Cart