Check the listing for details. E-flite 30-Amp Pro Switch-Mode BEC Brushless ESC V2 EFLA1030B Speed Controls. Condition: New. Listed at 49.99 USD. Key Features Up to 30 amps continuous current with proper air flow and 35 amps burst current (15 seconds) 3.5A continuous current, 5V Switch-Mode BEC Circuit Stronger BEC for support of most 3-axis stabilization systems Drive up to 7 analog or 6 digital standard-size servos with the BEC 3- to 4-cell Li-Po, 9- to 12-cell Ni-MH/Ni-Cd input voltage Programmable motor braking Safe power-arm mode prevents accidental starts Programmable low voltage cutoff with settings for 3-cell Li-Po (9.2V), 4-cell Li-Po (12V) or 74% of battery starting voltage Programmable throttle input range (1.1ms–1.9ms or 1.2ms–1.8ms) 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 for use with a large variety of.