E-flite 40-Amp Pro Switch-Mode BEC Brushless ESC (V2)

40-Amp Pro Switch-Mode BEC Brushless ESC (V2) EFLA1040B

Overview 
Key Features
Up to 40 amps continuous current with proper air flow and 55 amps burst current (15 seconds)
5A continuous current, 5V Switch-Mode BEC Circuit (Proper cooling and airflow required)
Stronger BEC for support of most 3-axis stabilization systems
Drive up to 7 analog or 6 digital standard-sized servos with the BEC
3- to 6-cell Li-Po, 9- to 18-cell Ni-MH/Ni-Cd input voltage
Finned heat sinks
Programmable motor braking
Safe power-arm mode prevents accidental starts
Programmable low voltage cutoff with settings for 3-cell Li-Po (9V), 4-cell Li-Po (12V), 5-cell Li-Po (15V), 6-cell Li-Po (18V) or 70% of battery starting voltage
Programmable throttle input range
Programmable soft start for helis and airplanes
Auto motor shut down if signal is lost or there is interference
Programmable timing—5 user-selectable ranges to use with a large variety of brushless motors
Utilizes new smaller Mosfet technology to minimize weight
Radio System Power ON /OFF Switch
Prewired connectors—E-flite EC3™ connector on battery input and 3.5mm gold bullet connectors on motor output leads

Overview
E-flite® 40-Amp Pro Switch-Mode BEC Brushless ESC (V2) is a high-quality sensorless brushless electronic speed control with an integrated switch-mode BEC that is very lightweight and efficient. It can operate without the need for a separate receiver battery to power your servos and receivers, saving you weight and complication.

Specifications
Amperage: 40-60
Brakes: Yes - Programmable
Input Connector Types: EC3
Input Voltage: 10.8V - 22.2V
Output Connector Types: 3.5mm Bullet
Wire Gauge: 13 AWG